Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6405802 | Subsea flowline jumper handling apparatus | — | 2002-06-18 |
| 6397948 | Shearing arrangement for subsea umbilicals | John A. Johansen, Christina A. Ross, David Wendt, Sylvester A. Joan, Stanley J. Rogala | 2002-06-04 |
| 6378383 | Fat-line towed-array force measurement apparatus | An-Keun Peter Lee, Todd E. Whitaker | 2002-04-30 |
| 6365268 | Deep sea insulation material | Christopher E. Cunningham | 2002-04-02 |
| 6253627 | Thin-line towed-array force measurement apparatus and method | An-Keun Peter Lee, Todd E. Whitaker | 2001-07-03 |
| 6227866 | Towed array handling system rotary joint | Stephan J. Diodato | 2001-05-08 |
| 6174431 | Method for obtaining base oil and removing impurities and additives from used oil products | Jan Krzykawski | 2001-01-16 |
| 5983821 | Multiline tow cable assembly including swivel and slip ring | — | 1999-11-16 |
| 5941530 | Unidirectional environment barrier seal for subsea wellhead equipment and valves | — | 1999-08-24 |
| 5762320 | Seat for gate valve | Lien-Yan Chen | 1998-06-09 |
| 5740861 | Replaceable consumable erosion detector | — | 1998-04-21 |
| 5740863 | Subsea wellhead mechanical erosion detector | Charles R. Ortloff, Thomas Dorsch, Lee A. Gillette, John C. Vicic | 1998-04-21 |
| 5730419 | Dual backseat valve assembly | Jeffrey L. Mathews, Jimmy D. Andrews | 1998-03-24 |
| 5612226 | Gas/liquid contact apparatus | — | 1997-03-18 |
| 5568447 | Interface module for a towed array | — | 1996-10-22 |
| 5511286 | Handle with modular hub | Richard D. Van Orsdale, Orlando A. Mejia, Don B. Wafer | 1996-04-30 |
| 5501424 | Wire cutting insert for gate valve | Matthew Long | 1996-03-26 |
| 5404615 | Handle | Don B. Wafer, Richard D. Van Orsdale, Orlando A. Mejia | 1995-04-11 |
| 5366696 | Oxygenation apparatus for oxygenating a carrier liquid by spraying | — | 1994-11-22 |
| 5342066 | Non-extrusion device for split annular casing/tubing hanger compression seals | Ronald W. Henley, Ronald D. Quates, Henry Wong | 1994-08-30 |
| 5299643 | Dual radially locked subsea housing | Vincent H. Vetter, Shiva P. Singeetham, William A. Valka | 1994-04-05 |
| 5221063 | Selective double backseat for valve stems | Don B. Wafer | 1993-06-22 |
| 5116902 | Elastomer for use with aqueous inks | Charles B. Chapman | 1992-05-26 |
| D324667 | Windshield air wiper | — | 1992-03-17 |
| D294361 | Rotary air compressor | — | 1988-02-23 |