Thomas J. Gruber

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Mayfield Heights, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Fuel tank vent valve for heaters
- Patent number 5,816,430
- Issue date Oct 6, 1998
- Hunter Manufacturing Co.
- Thomas J. Gruber
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fuel control system for a burner
- Patent number 4,998,878
- Issue date Mar 12, 1991
- Hunter Manufacturing Company
- Thomas J. Gruber
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Air control system for a burner
- Patent number 4,903,684
- Issue date Feb 27, 1990
- Hunter Manufacturing Co.
- Thomas J. Gruber
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Air control system for a burner
- Patent number 4,850,853
- Issue date Jul 25, 1989
- Hunter Manufacturing Company
- Thomas J. Gruber
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES