Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6997143 | Integrated heat exchange and fluid control device | John William Myers, David C. Letteer | 2006-02-14 |
| 6966198 | Air-cycle air conditioning system for commercial refrigeration | Thomas Gielda, David Duong, Ed Smallhorn, Mitchell Vitale | 2005-11-22 |
| 6802283 | Engine cooling system with variable speed fan | Keith E. Liederman, Matti K. Vint, Joseph V. Bejster | 2004-10-12 |
| 6668766 | Vehicle engine cooling system with variable speed water pump | Keith E. Liederman, Matti K. Vint, Joseph V. Bejster | 2003-12-30 |
| 6539899 | Rotary valve for single-point coolant diversion in engine cooling system | Leonhard Bartsch, Keith E. Liederman, Matti K. Vint, Joseph V. Bejster, Nicholas Harmer +3 more | 2003-04-01 |
| 6108899 | Brazing fixture for a heat exchanger | — | 2000-08-29 |