Inventor · Addison, IL, US

Robert J. Torrence

18Patents
13h-index
7Co-inventors
67Inventor score

Filing activity: Mar 5, 1984 → Feb 17, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US4841734A Indicating refrigerant liquid saturation point Performing Operations; Transporting 79 Expired
US4944160A Thermostatic expansion valve with electronic controller Emerging Cross-Sectional Technologies 67 Expired
US4632358A Automotive air conditioning system including electrically operated expansion valve Emerging Cross-Sectional Technologies 65 Expired
US4835976A Controlling superheat in a refrigeration system Emerging Cross-Sectional Technologies 50 Expired
US5354103A Quick connect conduit coupling Emerging Cross-Sectional Technologies 47 Expired
US4542852A Vibration damping device for thermostatic expansion valves Mechanical Engineering; Lighting; Heating 42 Expired
US4984735A Sensing refrigerant temperature in a thermostatic expansion valve Mechanical Engineering; Lighting; Heating 21 Expired
US4896860A Electrically operated refrigerant valve Emerging Cross-Sectional Technologies 21 Expired
US4790145A Superheat control of air conditioning system incorporating fuel cooler Emerging Cross-Sectional Technologies 19 Expired
US4638973A Inline solenoid operated slide valve Emerging Cross-Sectional Technologies 19 Expired
US4993231A Thermostatic expansion valve with electronic controller Emerging Cross-Sectional Technologies 16 Expired
US5544857A Electrically operated expansion valve Emerging Cross-Sectional Technologies 15 Expired
US4892285A Modulated electrically operated refrigerant expansion valve Emerging Cross-Sectional Technologies 13 Expired
US5085267A Compensating for water pressure variations in a tempered air system for vehicle passenger compartments Performing Operations; Transporting 9 Expired
US5100245A Sensing refrigerant temperature in a thermostatic expansion valve Mechanical Engineering; Lighting; Heating 2 Expired
US4595171A Inline solenoid operated valve Emerging Cross-Sectional Technologies 2 Expired
US5577705A Coil connection for solenoid operated valve Performing Operations; Transporting 2 Expired
USRE37423E Sensing refrigerant temperature in a thermostatic expansion valve General 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.