Issued Patents All Time
Showing 76–100 of 133 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6676327 | Pin connection for clamping means | — | 2004-01-13 |
| 6609734 | Torus type connector | — | 2003-08-26 |
| 6561280 | Method of injecting tubing down pipelines | James R. Crawford | 2003-05-13 |
| 6435281 | Invisible liner | — | 2002-08-20 |
| 6435771 | Method for attaching subsea manifold to pipeline tee | — | 2002-08-20 |
| 6415866 | Thermal operating module with scavenger system | — | 2002-07-09 |
| 6398457 | Pipe weld alignment system and method of operation | — | 2002-06-04 |
| 6374838 | Collapsible pig | — | 2002-04-23 |
| 6364573 | Jack mechanism for J-Lay pipelaying system | — | 2002-04-02 |
| 6343657 | Method of injecting tubing down pipelines | James R. Crawford | 2002-02-05 |
| 6334739 | Stinger for J-Lay pipelaying system | — | 2002-01-01 |
| 6315498 | Thruster pig apparatus for injecting tubing down pipelines | James R. Crawford | 2001-11-13 |
| 6293732 | Travelling table for J-Lay pipelaying system | — | 2001-09-25 |
| 6273643 | Apparatus for deploying an underwater pipe string | — | 2001-08-14 |
| 6260617 | Skate apparatus for injecting tubing down pipelines | James R. Crawford | 2001-07-17 |
| 6213686 | Gimbal for J-Lay pipe laying system | — | 2001-04-10 |
| 6202753 | Subsea accumulator and method of operation of same | — | 2001-03-20 |
| 6122791 | Retrievable pig | Jim Bob Crawford | 2000-09-26 |
| 5950953 | Reel with adjustable fleet angle | Scott L. Coates | 1999-09-14 |
| 5934832 | Pipeline recovery apparatus | — | 1999-08-10 |
| 5842252 | Pipe wiper system | James R. Cameron | 1998-12-01 |
| 5412940 | High pressure exhaust cleaning system | — | 1995-05-09 |
| 5412944 | Severe service extractor valve | — | 1995-05-09 |
| 5267838 | Severe service compressor system | — | 1993-12-07 |
| 5165493 | Mud saver valve | — | 1992-11-24 |