Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10612458 | Turbomachine | John F. Parker, Robert L. Holroyd, Tom J. Roberts, James Alexander McEwen, Tim Denholm +4 more | 2020-04-07 |
| 10167774 | Turbomachine | John F. Parker, Robert L. Holroyd, Tom J. Roberts, James Alexander McEwen, Tim Denholm +4 more | 2019-01-01 |
| 9234456 | Turbomachine | John F. Parker, Robert L. Holroyd, Tom J. Roberts, James Alexander McEwen, Tim Denholm +4 more | 2016-01-12 |
| 8992165 | Variable geometry turbine | David Andrew Luck, Stephen Garrett | 2015-03-31 |
| 8696308 | Turbomachine | Tim Denholm, James Alexander McEwen, Tom J. Roberts, Robert L. Holroyd, Christopher Normington +1 more | 2014-04-15 |