Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8105408 | Pressure equalisation device | Alan Thomas, Mark Hemmings | 2012-01-31 |
| 7384022 | Seal arrangement for a piston valve | — | 2008-06-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8105408 | Pressure equalisation device | Alan Thomas, Mark Hemmings | 2012-01-31 |
| 7384022 | Seal arrangement for a piston valve | — | 2008-06-10 |