Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11788442 | Engine valve actuation | Richard Tyrrell, David Kelly | 2023-10-17 |
| 11454143 | Engine valve actuation | Richard Tyrrell, David Kelly | 2022-09-27 |
| 10954827 | Desmodromic valve train | Owen Evans, David Kelly, Richard Tyrrell | 2021-03-23 |
| 10247111 | Valve control systems for internal combustion engines and methods of operation thereof | Richard Tyrrell | 2019-04-02 |
| 10077687 | Desmodromic valve systems and methods of operation thereof | Owen Evans | 2018-09-18 |
| 9523292 | Valve control system for internal combustion engines and method of operation thereof | — | 2016-12-20 |
| 7665441 | Integrated power transmission drive and method | — | 2010-02-23 |
| 7637829 | Eccentric pivot arm tensioner | Jerry Booen, Ian Doble, Gordon Charles Hensley, Hans Peter Kutzer, Jim Router +1 more | 2009-12-29 |
| 7217206 | Active tensioner | Brian Knight, Daniele Zecchetti | 2007-05-15 |
| 7086369 | Integrated power transmission drive and method | — | 2006-08-08 |
| 7048487 | Connector | — | 2006-05-23 |
| 7044100 | Integrated power transmission drive and method | — | 2006-05-16 |
| 6884014 | Tolerance compensating mounting device | Brian Knight | 2005-04-26 |
| 5452692 | Internal combusting engine | Richard Spray | 1995-09-26 |