Inventor
HERROON GREGORY P
US13 patents
Patents
13 patentsUS5630325AMay 20, 1997
Heat pump motor optimization and sensor fault detection
COPELAND CORP214 citations99
US5440895AAug 15, 1995
Heat pump motor optimization and sensor fault detection
COPELAND CORP187 citations99
US5689963ANov 25, 1997
Diagnostics for a heating and cooling system
COPELAND CORP172 citations98
US5628201AMay 13, 1997
Heating and cooling system with variable capacity compressor
COPELAND CORP216 citations98
US5623834AApr 29, 1997
Diagnostics for a heating and cooling system
COPELAND CORP164 citations98
US5528908AJun 25, 1996
Blocked fan detection system for heat pump
COPELAND CORP122 citations98
US5381669AJan 17, 1995
Overcharge-undercharge diagnostic system for air conditioner controller
COPELAND CORP208 citations98
US5303561AApr 19, 1994
Control system for heat pump having humidity responsive variable speed fan
COPELAND CORP158 citations98
US5475986ADec 19, 1995
Microprocessor-based control system for heat pump having distributed architecture
COPELAND CORP115 citations97
US5440890AAug 15, 1995
Blocked fan detection system for heat pump
COPELAND CORP118 citations97
US5319943AJun 14, 1994
Frost/defrost control system for heat pump
COPELAND CORP98 citations96
US5311748AMay 17, 1994
Control system for heat pump having decoupled sensor arrangement
COPELAND CORP35 citations92
US5533352AJul 9, 1996
Forced air heat exchanging system with variable fan speed control
COPELAND CORP48 citations88