Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9650951 | Single piston sleeve valve with optional variable compression ratio capability | James M. Cleeves, Simon David Jackson, Michael Hawkes | 2017-05-16 |
| 9528402 | Early exhaust valve opening for improved catalyst light off | James M. Cleeves | 2016-12-27 |
| 9267486 | Multi-mode high efficiency internal combustion engine | James M. Cleeves, Simon David Jackson, Nicholas Paul Manov | 2016-02-23 |
| 9194288 | High swirl engine | James M. Cleeves, Simon David Jackson | 2015-11-24 |
| 8544445 | Over-compressed engine | James M. Cleeves, Nicholas Paul Manov, Simon David Jackson | 2013-10-01 |