Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11781399 | Seal assemblies | — | 2023-10-10 |
| 6598672 | Anti-extrusion device for downhole applications | Daniel Bagley, Scott C. Schuette | 2003-07-29 |
| 6318729 | Seal assembly with thermal expansion restricter | Charles E. Pitts, Jr., Scott C. Schuette, Jesus Martinez | 2001-11-20 |
| 6173964 | Seal assembly with backup elements having coil springs positioned therein | Ian Gravill | 2001-01-16 |
| 5603511 | Expandable seal assembly with anti-extrusion backup | William Keyser, Ronney P. Edwards, Weston William Woods | 1997-02-18 |
| 4953622 | Subterranean well casing float tool | Douglas J. Lehr, Richard P. Rubbo, Richard L. Forehand | 1990-09-04 |
| 4872510 | Subterranean well casing float tool | Douglas J. Lehr, Richard P. Rubbo, Richard L. Forehand | 1989-10-10 |
| 4745972 | Well packer having extrusion preventing rings | Martin P. Coronado | 1988-05-24 |