Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9638446 | Method to detect low charge levels in a refrigeration circuit | Aaron Kleinow, Joseph S. Lewis, Lawrence Wei | 2017-05-02 |
| 6691523 | Air conditioning capacity control method for reducing motor vehicle engine exhaust emissions | Karma Vir Sangwan, Charles Andrew Archibald | 2004-02-17 |
| 6381545 | Diagnostic method for an automotive HVAC compressor | Taylor R. Eckstein, Jr., Timothy M. Gabel, Thomas Martin Urbank | 2002-04-30 |
| 6092380 | Method for regulating the cooling performance of an air conditioning system | Christopher M. Kachur, Giles M. Brandon, Charles Andrew Archibald, Ernesto Gutierrez, III, Francois M. Bancon +2 more | 2000-07-25 |
| 5291174 | Ceramic substrate blower motor resistor array | Richard A. Zirnheld | 1994-03-01 |
| 5022234 | Control method for a variable displacement air conditioning system compressor | Joseph L. Spurney | 1991-06-11 |
| 5009074 | Low refrigerant charge protection method for a variable displacement compressor | Edward D. Pettitt | 1991-04-23 |
| 4969334 | Overspeed protection method for an automotive engine driven air conditioning compressor | Joseph L. Spurney | 1990-11-13 |