Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7832464 | Flexible HVAC module with add-on multi-zone sub-assembly | Jeffrey C. Kinmartin, Garrett Wade Hoehn, Debashis Ghosh | 2010-11-16 |
| 6422301 | Dual functional drain for a heating, ventilating, and air conditioning assembly | Garrett Wade Hoehn | 2002-07-23 |
| 6015340 | Method for assembling shaft of rotating valve door between a pair of housings | — | 2000-01-18 |
| 5937891 | Automatic HVAC housing valve door with tolerance compensating return mechanism | — | 1999-08-17 |
| 5927380 | Automotive heating, air conditioning and ventilation system with combined mode door and dual temperature sensor | — | 1999-07-27 |
| 5481884 | Apparatus and method for providing low refrigerant charge detection | — | 1996-01-09 |
| 5201195 | Bi-flow receiver/dehydrator for refrigeration system | Michael A. Gavlak | 1993-04-13 |
| 4989499 | Air pressure control | Karma Vir Sangwan, George H. Johnson | 1991-02-05 |