Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7814757 | Operating algorithm for refrigerant safety system | Mark J. Zima | 2010-10-19 |
| 7093451 | Blowoff valve assembly with integrated pressure switch | Xiaoxia Mu, William James Kumpf, Prasad S. Kadle | 2006-08-22 |
| 6694764 | Air conditioning system with electric compressor | Thomas Martin Urbank | 2004-02-24 |
| 6669550 | Heating, ventilation, and air conditioning system having improved air warm-up | Thomas Martin Urbank, Karma Vir Sangwan | 2003-12-30 |
| 6381545 | Diagnostic method for an automotive HVAC compressor | Ronald J. Goubeaux, Timothy M. Gabel, Thomas Martin Urbank | 2002-04-30 |
| 6223772 | Dual function valve assembly | Larry D. Cummings | 2001-05-01 |
| 5966960 | Bi-directional refrigerant expansion valve | Larry D. Cummings | 1999-10-19 |