Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9016693 | Packing seal for reciprocating pump | Lee Shek, Brian James, Cathy G. Edgington, Hung Thai Nguyen, Kurt Hayden | 2015-04-28 |
| 6598672 | Anti-extrusion device for downhole applications | Merle L. Bell, Daniel Bagley | 2003-07-29 |
| 6318729 | Seal assembly with thermal expansion restricter | Charles E. Pitts, Jr., Merle L. Bell, Jesus Martinez | 2001-11-20 |