Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8075254 | Developments relating to a rotor arrangement | Nigel Twiggs, Christian H Enderby | 2011-12-13 |
| 7320468 | Sealing arrangement | — | 2008-01-22 |
| 6254344 | Seal | Christopher Wright, Steven V. ALLEN, Guy Saysell | 2001-07-03 |