Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8813786 | Hydraulic valves with integral seals | Andrew D. Gledhill, David S Innes | 2014-08-26 |
| 8210208 | Electrically operated hydraulic valve | Andrew D. Gledhill, David S Innes | 2012-07-03 |
| 8132780 | Subsea coupling | — | 2012-03-13 |
| 6895995 | Liquid flow regulator | Douglas F Kirkman | 2005-05-24 |