Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 014475/0181 | |
| Pages: | 4 |
| | Recorded: | 06/23/2003 | | |
| Conveyance: | (AMALGAMATION) |
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Total properties:
9
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Patent #:
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Issue Dt:
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05/04/1999
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Application #:
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08671422
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Filing Dt:
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06/27/1996
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Title:
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APPARATUS AND METHOD FOR SEPARATING COMPONENTS IN WELL FLUIDS
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Patent #:
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Issue Dt:
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07/07/1998
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Application #:
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08741201
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Filing Dt:
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10/29/1996
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Title:
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RECOVERY OF GAS FROM DRILLING FLUID RETURNS IN UNDERBALANCED DRILLING
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Patent #:
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Issue Dt:
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07/27/1999
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Application #:
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08963471
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Filing Dt:
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11/03/1997
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Title:
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METHOD FOR SEPARATING COMPONENTS IN WELL FLUIDS
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Patent #:
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Issue Dt:
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11/13/2001
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Application #:
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09442450
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Filing Dt:
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11/18/1999
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Title:
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METHOD OF TREATING PRESSURIZED DRILLING FLUID RETURNS FROM A WELL
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Patent #:
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Issue Dt:
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07/02/2002
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Application #:
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09626857
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Filing Dt:
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07/27/2000
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Title:
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METHOD AND APPARATUS FOR TREATING PRESSURIZED DRILLING FLUID RETURNS FROM A WELL
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Patent #:
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Issue Dt:
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08/19/2003
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Application #:
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09858954
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Filing Dt:
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05/17/2001
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Publication #:
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Pub Dt:
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11/21/2002
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Title:
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METHOD OF DYNAMICALLY CONTROLLING BOTTOM HOLE CIRCULATION PRESSURE IN A WELLBORE
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Patent #:
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Issue Dt:
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11/12/2002
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Application #:
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09983641
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Filing Dt:
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10/25/2001
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Publication #:
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Pub Dt:
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04/18/2002
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Title:
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PREFABRICATED SWIMMING POOL
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Patent #:
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Issue Dt:
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04/20/2004
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Application #:
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10054849
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Filing Dt:
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01/25/2002
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Publication #:
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Pub Dt:
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07/31/2003
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Title:
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APPARATUS AND METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE TO REDUCE FREE OXYGEN CONTAINED WITHIN ENGINE EXHAUST GAS
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Patent #:
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Issue Dt:
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09/14/2004
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Application #:
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10284173
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Filing Dt:
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10/31/2002
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Publication #:
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Pub Dt:
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02/05/2004
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Title:
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METHOD AND APPARATUS FOR SEPARATING AND MEASURING SOLIDS FROM MULTI-PHASE WELL FLUIDS
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Assignee
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| 4200 PETRO-CANADA CENTRE, 150-6TH AVENUE S.W. |
| CALGARY, ALBERTA, CANADA TP3Y7 |
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Correspondence name and address
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MEREK, BLACKMON & VOORHEES
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JAMES J. MEREK
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673 SOUTH WASHINGTON STREET
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ALEXANDRIA, VA 22314
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