Inventor
HELT ROBERT W
US28 patents
⚠️ This page may combine multiple inventors who share the name “HELT ROBERT W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AMERICAN STANDARD INC
8 patentsUS4856286AAug 15, 1989
Refrigeration compressor driven by a DC motor
AMERICAN STANDARD INC165 citations96
US5271556ADec 21, 1993
Integrated furnace control
AMERICAN STANDARD INC82 citations95
US4720981AJan 26, 1988
Cooling of air conditioning control electronics
AMERICAN STANDARD INC130 citations95
US4573326AMar 4, 1986
Adaptive defrost control for heat pump system
AMERICAN STANDARD INC60 citations95
US4850198AJul 25, 1989
Time based cooling below set point temperature
AMERICAN STANDARD INC80 citations94
US6066194AMay 23, 2000
Electronic room air cleaner with variable speed motor
AMERICAN STANDARD INC60 citations91
US4687948AAug 18, 1987
Dual mode controller for assigning operating priority of two loads
AMERICAN STANDARD INC16 citations74
US6647203B1Nov 11, 2003
Air handler power distribution system
AMERICAN STANDARD INC5 citations54
AMERICAN STANDARD INT INC
7 patentsUS6282910B1Sep 4, 2001
Indoor blower variable speed drive for reduced airflow
AMERICAN STANDARD INT INC89 citations98
US7351274B2Apr 1, 2008
Air filtration system control
AMERICAN STANDARD INT INC89 citations96
US7228693B2Jun 12, 2007
Controlling airflow in an air conditioning system for control of system discharge temperature and humidity
AMERICAN STANDARD INT INC56 citations96
US6377426B2Apr 23, 2002
Gas furnace with variable speed draft inducer
AMERICAN STANDARD INT INC47 citations93
US6257870B1Jul 10, 2001
Gas furnace with variable speed draft inducer
AMERICAN STANDARD INT INC59 citations93
US6247921B1Jun 19, 2001
Apparatus for generating a spark
AMERICAN STANDARD INT INC26 citations92
USD533091SDec 5, 2006
Heating, ventilating and air conditioning controller
AMERICAN STANDARD INT INC14 citations80
TRANE INT INC
7 patentsUS7837128B2Nov 23, 2010
Multiple thermostats for air conditioning system with time setting feature
TRANE INT INC62 citations97
US7600694B2Oct 13, 2009
Multiple thermostats for air conditioning system with time setting feature
TRANE INT INC116 citations97
US7380588B2Jun 3, 2008
Heat pump control system and method of operating to provide automatic backup heating modes
TRANE INT INC21 citations92
US7434741B2Oct 14, 2008
Automatic damper control for air conditioning system humidifier
TRANE INT INC24 citations91
US7640761B2Jan 5, 2010
System and method for controlling indoor air flow for heating, ventilating and air conditioning equipment
TRANE INT INC18 citations83
US8961282B2Feb 24, 2015
Ventilation controller
TRANE INT INC3 citations60
US7975494B2Jul 12, 2011
Control system interface with display for air conditioning apparatus
TRANE INT INC6 citations58
HELT ROBERT W
5 patentsUS8695887B2Apr 15, 2014
Temperature compensation method for thermostats
HELT ROBERT W41 citations93
US8702482B2Apr 22, 2014
Ventilation controller
HELT ROBERT W26 citations89
US8746584B2Jun 10, 2014
Heater interlock control for air conditioning system
HELT ROBERT W8 citations83
US9601919B2Mar 21, 2017
Time delay with control voltage sensing
HELT ROBERT W5 citations72
US8117862B2Feb 21, 2012
Device and method for recording air conditioning system information
HELT ROBERT W2 citations56