Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7878052 | High pressure cavitation system | Susannah E. Danby, Cathy Y. Choi, Colin Peter Garner, Drew D. Wackerlin, Timothy J. Felty +5 more | 2011-02-01 |
| 7739994 | Thermoelectric system for an engine | Andrew N. McGilvray, John T. Vachon | 2010-06-22 |
| 7370613 | Eccentric crank variable compression ratio mechanism | Keith E. Lawrence, Stephan D. Roozenboom, Kevin Knox | 2008-05-13 |
| 6694930 | Piston assembly for use in a free piston internal combustion engine | Willibald G. Berlinger, Cornelius Opris, Christopher Wark, Leland Weiss | 2004-02-24 |
| 6463903 | Piston assembly for free piston internal combustion engine | Willibald G. Berlinger, Leland Weiss | 2002-10-15 |
| 5765534 | Loading absorbing jumper tube assembly | Peter A. Brown, Keith E. Lawrence, Richard A. Linse | 1998-06-16 |