Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11680621 | Dual spring valve | Aurelian Ioan Furcoiu | 2023-06-20 |
| 10408355 | Pressure activated valve seat | Ashraf Abouelleil, Steve Sharp | 2019-09-10 |
| 10371282 | Shaft blowout prevention device | Purushottam Savalia, Ashraf Abouelleil | 2019-08-06 |
| 9945487 | Check valve with accelerated closure | Ashraf Abouelleil, Purushottam Savalia | 2018-04-17 |
| 9752692 | Check valve with accelerated closure | Ashraf Abouelleil, Purushottam Savalia | 2017-09-05 |
| 4248624 | Use of prereduced ore in a blast furnace | Jorge O. B. Novoa | 1981-02-03 |