Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772993 | Plug and seal assembly | Stanley F. Miller | 2004-08-10 |
| 6622987 | Liveload assembly for valve | — | 2003-09-23 |
| 5722637 | Seals | Jamshid Faramarzi | 1998-03-03 |
| 5226444 | Surge relief valve | Vinay K. Nagpal, Laurence R. Stratton | 1993-07-13 |