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05278902
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06/28/1977
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Application #:
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05489971
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Filing Dt:
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07/19/1974
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Title:
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SUCTION STABILIZER FOR RECIPROCATING PUMPS AND STABILIZING METHOD
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05530316
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06/22/1976
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Application #:
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05548669
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Filing Dt:
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02/10/1975
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Title:
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WINCH SPOOL WITH DISC BRAKE SYSTEM
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Patent #:
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Issue Dt:
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10/12/1976
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Application #:
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05572891
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Filing Dt:
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04/30/1975
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Title:
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ROPE/CHAIN SHEAVE
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Patent #:
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Issue Dt:
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08/09/1977
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Application #:
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05635843
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Filing Dt:
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11/28/1975
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Title:
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BUOYANT RISER
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05653425
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05679226
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05731596
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05747569
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02/06/1979
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Application #:
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05768040
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Filing Dt:
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02/14/1977
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Title:
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CONTROL VALVE
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Patent #:
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Issue Dt:
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03/27/1979
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Application #:
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05858671
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Filing Dt:
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12/08/1977
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Title:
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GATE VALVE DESIGN
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Patent #:
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Application #:
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05878205
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05902255
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Filing Dt:
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Patent #:
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Issue Dt:
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09/18/1979
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Application #:
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05915829
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Filing Dt:
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06/16/1978
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Title:
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HANGER APPARATUS FOR SUSPENDING PIPES
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Patent #:
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Issue Dt:
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09/18/1979
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Application #:
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05915830
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Filing Dt:
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06/16/1978
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Title:
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HANGER APPARATUS FOR SUSPENDING PIPES
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Patent #:
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Issue Dt:
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01/01/1980
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Application #:
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05915902
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Filing Dt:
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06/16/1978
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Title:
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HANGER APPARATUS FOR SUSPENDING PIPES
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Patent #:
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Issue Dt:
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06/24/1980
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Application #:
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05915903
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Filing Dt:
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06/16/1978
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Title:
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BREECH BLOCK CONNECTOR
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Patent #:
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Issue Dt:
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11/04/1980
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Application #:
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05958458
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Filing Dt:
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11/06/1978
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Title:
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ECCENTRIC SHAFT AND METHOD OF MAKING A SHAFT
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Patent #:
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Issue Dt:
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Application #:
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06007049
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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12/30/1980
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Application #:
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06008183
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Filing Dt:
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01/31/1979
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Title:
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MULTIPLE CUP DOWNWELL GAS SEPARATOR
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Patent #:
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Issue Dt:
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07/08/1980
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Application #:
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06014036
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Filing Dt:
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02/22/1979
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Title:
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ARTICULATED DEEP WATER PRODUCTION SYSTEM
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Patent #:
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Issue Dt:
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08/18/1981
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Application #:
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06036658
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Filing Dt:
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05/07/1979
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Title:
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METHOD AND APPARATUS FOR REMOTE INSTALLATION AND SERVICING OF UNDERWATER WELL APPARATUS
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Patent #:
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Issue Dt:
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02/24/1981
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Application #:
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06036660
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Filing Dt:
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05/07/1979
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Title:
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BEARING-EQUIPPED WELL TOOL
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Patent #:
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Issue Dt:
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04/21/1981
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Application #:
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06067733
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Filing Dt:
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08/20/1979
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Title:
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REMOTE MULTIPLE STRING WELL COMPLETION
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Patent #:
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Issue Dt:
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09/15/1981
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Application #:
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06067745
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Filing Dt:
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08/20/1979
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Title:
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REMOTE MULTIPLE STRING WELL COMPLETION
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Patent #:
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Issue Dt:
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05/26/1981
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Application #:
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06076185
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Filing Dt:
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09/17/1979
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Title:
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HANGER APPARATUS FOR SUSPENDING PIPES WITH POSITIVE RETRIEVAL CAPABILITY
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Patent #:
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Issue Dt:
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07/20/1982
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Application #:
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06120044
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Filing Dt:
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02/11/1980
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Title:
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UNDERWATER WELL INSTALLATIONS AND HANDLING STRING JOINT THEREFOR
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Patent #:
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Issue Dt:
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03/02/1982
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Application #:
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06120045
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Filing Dt:
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02/11/1980
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Title:
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SPLIT FASTENING RING AND ASSEMBLIES EMPLOYING SAME
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Patent #:
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Issue Dt:
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03/16/1982
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Application #:
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06120046
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Filing Dt:
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02/11/1980
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Title:
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FASTENER AND DEVICES IN WHICH LOAD SUPPORTING MEMBERS ARE SECURED THEREBY
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Patent #:
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Issue Dt:
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11/03/1981
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Application #:
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06120047
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Filing Dt:
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02/11/1980
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Title:
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REMOTELY OPERATED COUPLING AND WELL DEVICES EMPLOYING SAME
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Patent #:
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Issue Dt:
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11/17/1981
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Application #:
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06120048
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Filing Dt:
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02/11/1980
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Title:
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POSITION INDICATING VALVES
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Patent #:
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Issue Dt:
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09/22/1981
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Application #:
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06120052
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Filing Dt:
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02/11/1980
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Title:
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LATCH MEANS FOR WELL TOOLS AND COMPONENTS
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Patent #:
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Issue Dt:
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06/08/1982
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Application #:
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06120695
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Filing Dt:
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02/11/1980
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Title:
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METHOD AND APPARATUS FOR MULTIPLE WELL COMPLETION
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Patent #:
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Issue Dt:
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11/17/1981
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Application #:
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06120696
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Filing Dt:
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02/11/1980
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Title:
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TOOL FOR REMOTELY DETERMING THE POSITION OF A DEVICE IN AN UNDERWATER WELL ASSEMBLY
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Patent #:
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Issue Dt:
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11/03/1981
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Application #:
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06120851
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Filing Dt:
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02/11/1980
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Title:
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METHOD AND APPARATUS FOR INSTALLING MULTIPLE PIPE STRINGS IN UNDERWATER WELLS
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Patent #:
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Issue Dt:
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05/29/1984
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Application #:
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06170970
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Filing Dt:
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07/18/1980
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Title:
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REMOTELY OPERATED UNDERWATER TENSION CONNECTOR
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Patent #:
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Issue Dt:
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02/07/1984
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Application #:
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06188584
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Filing Dt:
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09/18/1980
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Title:
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REMOTELY RELEASABLE CONNECTOR
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Patent #:
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Issue Dt:
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02/21/1984
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Application #:
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06192739
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Filing Dt:
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10/01/1980
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Title:
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COMBINATION CONNECTOR AND FLEX JOINT FOR UNDERWATER TENSION ELEMENTS
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Patent #:
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Issue Dt:
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03/16/1982
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Application #:
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06204938
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Filing Dt:
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11/07/1980
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Title:
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WELL TOOL ORIENTATION SYSTEM WITH REMOTE INDICATOR
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Patent #:
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Issue Dt:
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10/11/1983
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Application #:
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06221398
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Filing Dt:
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12/30/1980
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Title:
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SUBSEA TEMPLATE LEVELLING SYSTEM AND METHOD
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Patent #:
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Issue Dt:
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03/06/1984
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Application #:
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06233561
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Filing Dt:
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02/11/1981
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Title:
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DRILLING RIG DRAWWORKS HOOK LOAD OVERSPEED PREVENTING SYSTEM
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Patent #:
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Issue Dt:
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05/22/1984
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Application #:
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06304078
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Filing Dt:
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09/21/1981
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Title:
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WELL DEVICES WITH ANNULUS CHECK VALVE AND HYDRAULIC BY-PASS
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Patent #:
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Issue Dt:
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05/24/1988
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Application #:
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06311261
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Filing Dt:
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10/14/1981
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Title:
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REMOTELY ACTUATED CUTTING ASSEMBLY FOR BROKEN UNDERWATER GUIDELINES
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Patent #:
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Issue Dt:
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12/20/1983
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06316395
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Filing Dt:
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10/29/1981
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Title:
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WEIGHT-SET PACK-OFF UNIT
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Patent #:
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Issue Dt:
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07/17/1984
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06316397
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Filing Dt:
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10/29/1981
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Title:
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DUAL RING CASING HANGER
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Patent #:
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Issue Dt:
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09/18/1984
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06326328
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12/01/1981
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Title:
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METHOD AND APPARATUS FOR INSTALLING AND CONNECTING UNDERWATER FLOWLINES
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Patent #:
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Issue Dt:
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12/25/1984
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06326329
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12/01/1981
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Title:
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MULTIPLE FLOWLINE CONNECTOR
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12/27/1983
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06326331
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12/01/1981
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Title:
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REMOTELY OPERATED VALVE
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09/18/1984
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06326333
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12/01/1981
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Title:
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APPARATUS FOR CONNECTING UNDERWATER FLOWLINES
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Issue Dt:
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05/01/1984
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06328791
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12/08/1981
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Title:
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DIVERLESS SUBSEA TEMPLATE LEVELLING SYSTEM AND METHOD
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04/17/1984
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06330671
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12/14/1981
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Title:
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REMOTELY OPERATED TOOL FOR PERFORMING FUNCTIONS UNDER WATER
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01/24/1984
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06380910
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05/21/1982
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Title:
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METHOD AND APPARATUS FOR DEEP UNDERWATER WELL DRILLING AND COMPLETION
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10/11/1983
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06393192
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06/28/1982
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Title:
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ALLOY STEEL FOR ROLL CASTER SHELL
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Issue Dt:
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05/29/1984
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06404812
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08/03/1982
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Title:
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APPARATUS FOR CONNECTING A TENSION MEMBER TO AN UNDER-WATER ANCHORING BASE
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08/28/1984
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06411932
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08/26/1982
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Title:
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IMPROVED RECIPROCABLE PUMP
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03/27/1984
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06422091
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09/23/1982
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Title:
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RELEASABLE GUIDE POST MOUNT AND METHOD FOR RECOVERING GUIDE POSTS BY REMOTE OPERATIONS
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07/17/1984
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06422092
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09/23/1982
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Title:
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LATERALLY RELEASABLE CONNECTION BETWEEN OUTER WELL MEMBER AND TEMPLATE
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03/27/1984
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06426695
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09/29/1982
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Title:
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SUBSEA WELL WITH RETRIEVABLE PIPING DECK
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11/05/1985
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06446995
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12/06/1982
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Title:
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METHOD AND APPARATUS FOR INDEPENDENT SUPPORT OF WELL PIPE HANGERS
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08/13/1985
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06468341
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02/22/1983
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Title:
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SELF-COMPENSATING OSCILLATORY PUMP CONTROL
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Issue Dt:
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06/11/1985
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06489116
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04/27/1983
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Title:
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BRAKE SYSTEM
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Issue Dt:
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12/11/1984
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06491282
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Filing Dt:
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05/03/1983
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Title:
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POPPET TYPE FLUID VALVE WITH REPLACEABLE WEAR SURFACE
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03/12/1985
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06506000
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06/20/1983
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Title:
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JET PUMP FOR OIL WELLS
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07/16/1985
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06572916
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01/23/1984
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Title:
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DUAL RING CASING HANGER
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05/28/1985
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06580684
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02/16/1984
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Title:
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OIL WELL STANDING VALVE
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12/10/1985
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06594418
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03/28/1984
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Title:
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METHOD AND APPARATUS FOR REMOTELY CUTTING BROKEN UNDERWATER GUIDELINES
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12/09/1986
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06594795
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03/29/1984
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HYDRAULIC DISK BRAKE HAVING A BRAKING TORQUE-TO-HYDRAULIC FORCE CONVERTER
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04/30/1985
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06611116
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05/17/1984
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Title:
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PEDESTAL CRANE MOUNTING SYSTEM
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07/22/1986
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06621832
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06/18/1984
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Title:
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RECIPROCATING PUMP PISTON
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04/29/1986
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06638426
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08/07/1984
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WELL DERRICK
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03/31/1987
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06655215
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09/27/1984
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BOOM CRANE CENTERING
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04/22/1986
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06665659
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10/26/1984
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METHOD AND APPARATUS FOR SEALING BETWEEN TWO CONCENTRIC MEMBERS
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11/26/1985
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06666186
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10/29/1984
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LOAD RECALL VALVE
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02/04/1986
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06678955
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12/06/1984
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CARBURIZED HIGH CHROME LINER
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11/29/1988
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06780007
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09/25/1985
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OVERLOAD PROTECTION SYSTEM FOR A CRANE
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03/24/1987
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06864240
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05/19/1986
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WELL PUMPING UNIT
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05/26/1987
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06875253
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Filing Dt:
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06/17/1986
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Title:
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UNITIZED CHECK VALVE
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Patent #:
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Issue Dt:
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11/03/1987
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06921578
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Filing Dt:
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10/22/1986
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Title:
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WELL PUMPING UNIT
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Patent #:
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Issue Dt:
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01/10/1989
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06934285
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Filing Dt:
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11/24/1986
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Title:
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REMOTELY INSTALLING A TUBULAR STRING
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Issue Dt:
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10/06/1987
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Application #:
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06935462
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Filing Dt:
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11/26/1986
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Title:
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WELLHEAD BODY LOCKDOWN AND METHOD FOR ENGAGING SAME
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Patent #:
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Issue Dt:
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01/05/1988
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Application #:
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07011576
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02/06/1987
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Title:
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ROTARY DRIVE APPARATUS FOR DOWNHOLE PUMP
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Issue Dt:
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03/22/1988
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07023384
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Filing Dt:
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03/09/1987
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Title:
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POWER TONGS AND CLAMPING UNITS THEREFOR
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Patent #:
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Issue Dt:
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07/04/1989
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07023385
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Filing Dt:
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03/09/1987
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Title:
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APPARATUS FOR MAKING AND BREAKING THREADED WELL PIPE CONNECTIONS
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Issue Dt:
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11/08/1988
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07032180
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Filing Dt:
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03/30/1987
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Title:
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BOOM CRANE CENTERING
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Patent #:
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Issue Dt:
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03/07/1989
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Application #:
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07041269
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Filing Dt:
|
04/22/1987
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Title:
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FAIL-SAFE GATE VALVE WITH SEPARATED ACTUATORS
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|
Patent #:
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|
Issue Dt:
|
11/01/1988
|
Application #:
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07100158
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Filing Dt:
|
09/23/1987
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Title:
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SUB ASSEMBLY FOR A SWIVEL
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Patent #:
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|
Issue Dt:
|
03/21/1989
|
Application #:
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07163580
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Filing Dt:
|
03/03/1988
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Title:
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ACTIVE COUNTERBALANCE FOR A POWER SWIVEL DURING WELL DRILLING
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Patent #:
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|
Issue Dt:
|
10/31/1989
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Application #:
|
07163583
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Filing Dt:
|
03/03/1988
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Title:
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SPRING ACTUATED POWER SWIVEL SUPPORT ROLLERS
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|
Patent #:
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|
Issue Dt:
|
03/07/1989
|
Application #:
|
07163584
|
Filing Dt:
|
03/03/1988
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Title:
|
SUPPORT SYSTEM FOR A TOP DRIVEN DRILLING UNIT
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|
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Patent #:
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|
Issue Dt:
|
05/29/1990
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Application #:
|
07212936
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Filing Dt:
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06/29/1988
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Title:
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CROSSARM VALVE SEAT WITH PULLING LEDGE
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|
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Patent #:
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|
Issue Dt:
|
05/08/1990
|
Application #:
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07321157
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Filing Dt:
|
03/08/1989
|
Title:
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VALVE WITH REPLACEABLE SEAL ELEMENT
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Patent #:
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Issue Dt:
|
08/28/1990
|
Application #:
|
07335725
|
Filing Dt:
|
04/10/1989
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Title:
|
SEAL FOR A PUMP VALVE
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Patent #:
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|
Issue Dt:
|
01/01/1991
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Application #:
|
07379765
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Filing Dt:
|
07/14/1989
|
Title:
|
POSITIVE LOCK OF A DRIVE ASSEMBLY
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Patent #:
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|
Issue Dt:
|
09/24/1991
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Application #:
|
07415841
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Filing Dt:
|
10/02/1989
|
Title:
|
LUBRICATION OF A CENTRIFUGAL PUMP BEARING
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Patent #:
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|
Issue Dt:
|
11/05/1991
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Application #:
|
07467600
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Filing Dt:
|
01/19/1990
|
Title:
|
CONNECTION SEAL
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|
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Patent #:
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|
Issue Dt:
|
08/13/1991
|
Application #:
|
07538634
|
Filing Dt:
|
06/13/1990
|
Title:
|
APPARATUS FOR SUPPORTING A DIRECT DRIVE DRILLING UNIT IN A POSITION OFFSET FROM THE CENTERLINE OF A WELL
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|
|
Patent #:
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|
Issue Dt:
|
09/22/1992
|
Application #:
|
07698359
|
Filing Dt:
|
05/08/1991
|
Title:
|
CONNECTOR ASSEMBLY WITH DETACHABLE SLEEVE
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|
|
Patent #:
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|
Issue Dt:
|
07/07/1992
|
Application #:
|
07753013
|
Filing Dt:
|
08/23/1991
|
Title:
|
CASING SUSPENSION SYSTEM
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|
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Patent #:
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|
Issue Dt:
|
09/21/1993
|
Application #:
|
07817230
|
Filing Dt:
|
01/06/1992
|
Title:
|
GUIDE POST LATCHING MECHANISM
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|