Tyler, Texas
United States
11
2009-04-09
The entities that hold a legal rights for patent applications filed by inventor Helt Robert W.:
Robert W. Helt from Tyler, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Control system interface with display for air conditioning apparatus
#2 | 2008-10-02Heater interlock control for air conditioning system
#3 | 2008-09-18Device and method for recording air conditioning system information
#4 | 2008-09-11Temperature compensation method for thermostats
#5 | 2007-05-03System and method for controlling indoor air flow for heating, ventilating and air conditioning equipment
#6 | 2007-02-22Air filtration system control
#7 | 2006-06-08Ventilation controller
#8 | 2006-04-27Automatic damper control for air conditioning system humidifier
#9 | 2005-07-28Multiple thermostats for air conditioning system with time setting feature
#10 | 2005-07-14Heat pump control system and method of operating to provide automatic backup heating modes
#11 | 2005-07-14Controlling airflow in an air conditioning system for control of system discharge temperature and humidity
3918259 ⎘