Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10221646 | Anti-extrusion ram seal for blowout preventer | Werner Harder | 2019-03-05 |
| 7255329 | Gate valve with offset valve stem | Werner Harder | 2007-08-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10221646 | Anti-extrusion ram seal for blowout preventer | Werner Harder | 2019-03-05 |
| 7255329 | Gate valve with offset valve stem | Werner Harder | 2007-08-14 |