Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9086159 | Valve assembly | Joseph Chapman, Ian Cowen | 2015-07-21 |
| 6258004 | Constant output transmission apparatus | — | 2001-07-10 |
| 5766108 | Continuously variable transmission utilizing variable viscous coupling | — | 1998-06-16 |
| 5299985 | Continuously variable transmission apparatus | — | 1994-04-05 |
| 5030180 | Variable transmission apparatus | — | 1991-07-09 |