Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 005296/0388 | |
| Pages: | 87 |
| | Recorded: | 05/10/1990 | | |
| Conveyance: | RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). |
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Total properties:
9
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Patent #:
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Issue Dt:
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Application #:
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05231208
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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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06/02/1981
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Application #:
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06014016
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Filing Dt:
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02/22/1979
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Title:
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HIGH PRESSURE PISTON AND SEAL
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Patent #:
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Issue Dt:
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05/03/1983
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Application #:
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06238988
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Filing Dt:
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02/27/1981
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Title:
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BLAST JOINT AND PROTECTION ELEMENT THEREFOR
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Patent #:
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Issue Dt:
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07/22/1986
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Application #:
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06597852
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Filing Dt:
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04/09/1984
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Title:
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CONTROL LINE PROTECTOR FOR OIL WELL TUBING STRING
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Patent #:
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Issue Dt:
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05/20/1986
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Application #:
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06601938
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Filing Dt:
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04/19/1984
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Title:
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APPARATUS AND METHOD FOR INSERTING FLOW CONTROL MEANS INTO A WELL CASING
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Patent #:
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Issue Dt:
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10/11/1988
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Application #:
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06801718
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Filing Dt:
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11/26/1985
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Title:
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HYDRAULIC SAFETY INTERLOCK SYSTEM
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Patent #:
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Issue Dt:
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Application #:
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UNAVAILABLE
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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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UNAVAILABLE
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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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UNAVAILABLE
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Filing Dt:
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Title:
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Assignee
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| 1200 WEATHERFORD TOWER |
| 1360 POST OAK BOULEVARD, A DE CORP. |
| HOUSTON, TEXAS 77056 |
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Correspondence name and address
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WEATHERFORD INTERNATIONAL INCORPORATED
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1360 POST OAK BLVD., STE. 1000
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P.O. BOX 27608
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HOUSTON, TX 77227
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