Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6615594 | Compressor diagnostic system | Nagaraj Jayanth | 2003-09-09 |
| 6546796 | Liquid level sensor | Bernd Zimmermann, David Reynolds, Richard E. Welch | 2003-04-15 |
| 6302654 | Compressor with control and protection system | Natarajan Rajendran, William W. McCroskey | 2001-10-16 |
| 5975854 | Compressor with protection module | Charles H. Culp, Suresh Shivashankar, Birchard M. Taylor | 1999-11-02 |
| 5689963 | Diagnostics for a heating and cooling system | Vijay Bahel, Mickey Hickey, Hung M. Pham, Gregory P. Herroon, Gerald L. Greschl | 1997-11-25 |
| 5630325 | Heat pump motor optimization and sensor fault detection | Vijay Bahel, Mickey Hickey, Hung M. Pham, Gregory P. Herroon, Wayne R. Warner +1 more | 1997-05-20 |
| 5628201 | Heating and cooling system with variable capacity compressor | Vijay Bahel, Mickey Hickey, Hung M. Pham, Gregory P. Herroon, Gerald L. Greschl | 1997-05-13 |
| 5623834 | Diagnostics for a heating and cooling system | Vijay Bahel, Mickey Hickey, Hung M. Pham, Gregory P. Herroon, Gerald L. Greschl | 1997-04-29 |
| 5533352 | Forced air heat exchanging system with variable fan speed control | Vijay Bahel, Mickey Hickey, Hung M. Pham, Gregory P. Herroon, Gerald L. Greschl +1 more | 1996-07-09 |
| 5528908 | Blocked fan detection system for heat pump | Vijay Bahel, Mickey Hickey, Hung M. Pham, Gregory P. Herroon | 1996-06-25 |
| 5475986 | Microprocessor-based control system for heat pump having distributed architecture | Vijay Bahel, Mickey Hickey, Hung M. Pham, Gregory P. Herroon | 1995-12-19 |
| 5440890 | Blocked fan detection system for heat pump | Vijay Bahel, Mickey Hickey, Hung M. Pham, Gregory P. Herroon | 1995-08-15 |
| 5440895 | Heat pump motor optimization and sensor fault detection | Vijay Bahel, Mickey Hickey, Hung M. Pham, Gregory P. Herroon, Wayne R. Warner +1 more | 1995-08-15 |
| 5381669 | Overcharge-undercharge diagnostic system for air conditioner controller | Vijay Bahel, Mickey Hickey, Hung M. Pham, Gregory P. Herroon | 1995-01-17 |
| 5319943 | Frost/defrost control system for heat pump | Vijay Bahel, Mickey Hickey, Hung M. Pham, Gregory P. Herroon | 1994-06-14 |
| 5311748 | Control system for heat pump having decoupled sensor arrangement | Vijay Bahel, Mickey Hickey, Hung M. Pham, Gregory P. Herroon | 1994-05-17 |
| 5303561 | Control system for heat pump having humidity responsive variable speed fan | Vijay Bahel, Mickey Hickey, Hung M. Pham, Gregory P. Herroon | 1994-04-19 |
| 5303562 | Control system for heat pump/air-conditioning system for improved cyclic performance | Vijay Bahel, Mickey Hickey, Hung M. Pham, Gregroy P. Herroon | 1994-04-19 |