Issued Patents All Time
Showing 25 most recent of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8899592 | Seal | — | 2014-12-02 |
| 8162327 | Metal seals for weld-deformed high temperature pneumatic ducting joints | — | 2012-04-24 |
| 8152172 | Resilient seal | — | 2012-04-10 |
| 8104769 | Bi-directional wellhead seal | — | 2012-01-31 |
| 8104772 | Gas turbine nozzle seals for 2000° F. gas containment | — | 2012-01-31 |
| 7823264 | Seals and sealing methods | — | 2010-11-02 |
| 7810816 | Seal | — | 2010-10-12 |
| 7789397 | Metallic seal | — | 2010-09-07 |
| 7201381 | Metallic seal | — | 2007-04-10 |
| 6983940 | Metallic seal | — | 2006-01-10 |
| 6626440 | Resilient seals with inflection regions and/or PLY deformation | — | 2003-09-30 |
| 6612030 | Multiple-ply resilient seal | — | 2003-09-02 |
| 6588761 | Multiple-ply resilient seal | — | 2003-07-08 |
| 6446978 | Resilient sealing ring | Paul L. Porter | 2002-09-10 |
| 6325392 | Multiple-ply resilient seal | — | 2001-12-04 |
| 6318736 | Multiple-ply resilient sealing ring | — | 2001-11-20 |
| 6299178 | Resilient seals with inflection regions and/or ply deformations | — | 2001-10-09 |
| 6257594 | Resilient sealing ring | Paul L. Porter | 2001-07-10 |
| 6227546 | Resilient seal and method of using a resilient seal | — | 2001-05-08 |
| 5505498 | Flexible pressure-energized joint | Mark Simon | 1996-04-09 |
| 5433370 | Multi-ply sealing rings and methods for manufacturing same | — | 1995-07-18 |
| 5249814 | Multi-ply sealing rings and methods for manufacturing same | — | 1993-10-05 |
| 5158305 | Pressure-energized two-element seal | — | 1992-10-27 |
| 4919453 | Low profile V-coupling | Thomas S. Oh | 1990-04-24 |
| 4854600 | Pressure balanced metallic S-seal | Robert Alan Barrett, Mark Woozley | 1989-08-08 |