Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5423579 | Tubular coupling with metal to metal seal | Thomas L. Blose, Doyle E. Reeves | 1995-06-13 |
| 4928999 | Elastomeric guard seal for tubular connections | L. Steven Landriault, Charles A. Bollfrass | 1990-05-29 |
| 4703954 | Threaded pipe connection having wedge threads | Doyle E. Reeves | 1987-11-03 |
| 4688832 | Well pipe joint | L. Steven Landriault | 1987-08-25 |
| 4671544 | Seal for threaded pipe connection | — | 1987-06-09 |
| 4662659 | Tubular joint with trapped mid-joint metal-to-metal seal having unequal tapers | Thomas L. Blose, K. Darrel Chelette, Doyle E. Reeves | 1987-05-05 |