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72
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04479010
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04879006
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04879007
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04879009
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04879011
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05026044
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05038263
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05048092
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05086877
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05086879
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05086915
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05246293
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05263725
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05290285
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05301044
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05313367
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05343458
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09/16/1975
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05396627
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09/12/1973
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Title:
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HIGH SIDE METER
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05396628
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05396634
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05396635
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05396978
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05409850
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05414060
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05414061
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08/12/1975
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Application #:
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05414062
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Filing Dt:
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11/08/1973
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Title:
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05416467
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05424617
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05441620
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05462914
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05502227
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05511397
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05518922
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05528391
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05594912
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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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03/08/1977
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Application #:
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05606911
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Filing Dt:
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Title:
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BOREHOLE PRESSURE MEASUREMENT
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Patent #:
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Issue Dt:
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Application #:
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05638392
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Filing Dt:
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Title:
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Patent #:
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Application #:
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05644686
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Filing Dt:
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Title:
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Patent #:
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Application #:
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05658866
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Filing Dt:
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Title:
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Application #:
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05665518
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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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01/24/1978
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Application #:
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05666796
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Filing Dt:
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Title:
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ELASTOMERIC INCLINOMETER
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Patent #:
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Issue Dt:
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Application #:
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05722540
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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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Application #:
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05726199
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Filing Dt:
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Title:
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Patent #:
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Application #:
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05763879
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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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02/13/1979
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Application #:
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05812168
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Filing Dt:
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07/01/1977
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Title:
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BOREHOLE ACOUSTIC TELEMETRY SYSTEM
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Patent #:
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Issue Dt:
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Application #:
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05860938
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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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08/07/1979
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Application #:
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05880873
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Filing Dt:
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02/23/1978
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Title:
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SURVEYING OF BOREHOLES
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Patent #:
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Issue Dt:
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10/06/1981
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Application #:
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05968879
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Filing Dt:
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12/13/1978
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Title:
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TELEMETRY SYSTEM
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|
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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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06065474
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Filing Dt:
|
08/10/1979
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Title:
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BOREHOLE ACOUSTIC TELEMETRY CLOCK SYNCHRONIZATION SYSTEM
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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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06065475
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Filing Dt:
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08/10/1979
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Title:
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BOREHOLE ACOUSTIC TELEMETRY SYSTEM SYNCHRONOUS DETECTOR
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Patent #:
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Issue Dt:
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10/06/1981
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Application #:
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06065476
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Filing Dt:
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08/10/1979
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Title:
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BOREHOLE ACOUSTIC TELEMETRY SYSTEM
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Patent #:
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Issue Dt:
|
03/03/1981
|
Application #:
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06065477
|
Filing Dt:
|
08/10/1979
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Title:
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BOREHOLE TELEMETRY SYSTEM AUTOMATIC GAIN CONTROL
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Patent #:
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Issue Dt:
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06/28/1983
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Application #:
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06139046
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Filing Dt:
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04/10/1980
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Title:
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DATA TRANSMISSION IN A DRILL STRING
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Patent #:
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Issue Dt:
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06/21/1983
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Application #:
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06211614
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Filing Dt:
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12/01/1980
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Title:
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BOREHOLE PIPE SIDE ENTRY METHOD AND APPARATUS
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Patent #:
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Issue Dt:
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08/23/1983
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Application #:
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06255024
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Filing Dt:
|
04/17/1981
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Title:
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CONTINUOUS BOREHOLE TELEMETRY SYSTEM AND METHOD
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Patent #:
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Issue Dt:
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01/31/1989
|
Application #:
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06295457
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Filing Dt:
|
08/24/1981
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Title:
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MUD PRESSURE CONTROL SYSTEM WITH MAGNETIC TORQUE TRANSFER
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Patent #:
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Issue Dt:
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07/19/1983
|
Application #:
|
06369400
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Filing Dt:
|
04/19/1982
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Title:
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BOREHOLE TOOL
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Patent #:
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Issue Dt:
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11/27/1984
|
Application #:
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06408625
|
Filing Dt:
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08/16/1982
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Title:
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TUBING PROTECTOR
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Patent #:
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Issue Dt:
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07/09/1985
|
Application #:
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06448531
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Filing Dt:
|
12/10/1982
|
Title:
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SYSTEM FOR DETECTING BLOW OUT AND LOST CIRCULATION IN A BOREHOLE
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Patent #:
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Issue Dt:
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12/31/1985
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Application #:
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06510532
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Filing Dt:
|
10/17/1983
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Title:
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BOREHOLE ACOUSTIC TELEMETRY SYSTEM WITH PHASE SHIFTED SIGNAL
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Patent #:
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Issue Dt:
|
08/13/1985
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Application #:
|
06512308
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Filing Dt:
|
07/11/1983
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Title:
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APPARATUS FOR SIGNALLING WITHIN A BOREHOLE WHILE DRILLING
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Patent #:
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Issue Dt:
|
04/02/1985
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Application #:
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06530184
|
Filing Dt:
|
09/08/1983
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Title:
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SURVEYING OF A BOREHOLE FOR POSITION DETERMINATION
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Patent #:
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Issue Dt:
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03/19/1985
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Application #:
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06540297
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Filing Dt:
|
10/11/1983
|
Title:
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BOREHOLE PRESSURE MEASURING SYSTEM
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Patent #:
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Issue Dt:
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06/23/1987
|
Application #:
|
06671342
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Filing Dt:
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11/14/1984
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Title:
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APPARATUS FOR SIGNALLING WITHIN A BOREHOLE WHILE DRILLING
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Patent #:
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Issue Dt:
|
01/13/1987
|
Application #:
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06764167
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Filing Dt:
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08/09/1985
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Title:
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MUD PRESSURE CONTROL SYSTEM
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Patent #:
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Issue Dt:
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02/16/1988
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Application #:
|
06779722
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Filing Dt:
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09/24/1985
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Title:
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DEVICES FOR IMPARTING ROTARY MOTION
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Patent #:
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Issue Dt:
|
04/11/1989
|
Application #:
|
07004954
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Filing Dt:
|
01/20/1987
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Title:
|
A METHOD OF DETERMINING THE ORIENTATION OF A SURVEYING INSTRUMENT IN A BOREHOLE
|
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Patent #:
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Issue Dt:
|
03/07/1989
|
Application #:
|
07026949
|
Filing Dt:
|
03/17/1987
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Title:
|
BEARING SLEEVES
|
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Patent #:
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Issue Dt:
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12/27/1988
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Application #:
|
07087094
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Filing Dt:
|
08/19/1987
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Title:
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APPARATUS FOR SURVEYING A BOREHOLE COMPRISING A MAGNETIC MEASUREMENT PROBE TO BE MOVED WITHING A DRILL PIPE TO A MEASUREMENT POSITION WITHIN A NON-MAGNETIC COLLAR
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Patent #:
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Issue Dt:
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07/11/1989
|
Application #:
|
07152876
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Filing Dt:
|
02/05/1988
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Title:
|
AN ACCELEROMETER HAVING A PERMANENT MAGNET WITH NON-MAGNETIC END MEMBERS
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Patent #:
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Issue Dt:
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11/13/1990
|
Application #:
|
07222814
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Filing Dt:
|
07/21/1988
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Title:
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METHOD FOR CONTINUOUSLY AND AUTOMATICALLY MONITORING THE ELECTRICAL OPERABILITY AND CONTROL CAPABILITY IN A LIQUID CRYSTAL DISPLAY UNIT
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Patent #:
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Issue Dt:
|
07/18/1989
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Application #:
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07253075
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Filing Dt:
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10/03/1988
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Title:
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METHOD OF PREDICTING THE TORQUE AND DRAG IN DIRECTIONAL WELLS
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