Robert C. Beilfuss

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Coppell, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Electronic thermostat with multiple program options
- Patent number 5,873,519
- Issue date Feb 23, 1999
- Heatcraft Inc.
- Robert C. Beilfuss
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Apparatus for monitoring operation of heating and cooling systems
- Patent number 5,684,717
- Issue date Nov 4, 1997
- Heatcraft Inc.
- Robert C. Beilfuss
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Combination water heating and space heating apparatus
- Patent number 5,544,645
- Issue date Aug 13, 1996
- Lennox Industries Inc.
- David L. Armijo
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Electronic thermostat
- Patent number 5,107,918
- Issue date Apr 28, 1992
- Lennox Industries Inc.
- William McFarlane
- G05 - CONTROLLING REGULATING
Information Patent Grant
Two speed motor controller
- Patent number 4,831,313
- Issue date May 16, 1989
- Lennox Industries, Inc.
- Robert C. Beilfuss
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Ignition control system for a gas appliance
- Patent number 4,695,246
- Issue date Sep 22, 1987
- Lennox Industries, Inc.
- Robert C. Beilfuss
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES