Frederick J. Geary

Person

Holland, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Heat exchanger system, fuel control system therefor, and methods of...
- Patent number 5,209,655
- Issue date May 11, 1993
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Primary gas furnace control
- Patent number 5,158,447
- Issue date Oct 27, 1992
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Heat exchanger system, fuel control system therefor
- Patent number 5,141,431
- Issue date Aug 25, 1992
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Hot surface ignition system for a gas furnace, control device there...
- Patent number 5,085,573
- Issue date Feb 4, 1992
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Combination of an igniter for a gas furnace and a control unit ther...
- Patent number 5,003,161
- Issue date Mar 26, 1991
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Hot surface direct ignition system for gas furnaces
- Patent number 4,997,361
- Issue date Mar 5, 1991
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Hot surface ignition system for a gas furnace, control device there...
- Patent number 4,976,605
- Issue date Dec 11, 1990
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Fuel control unit for a gas furnace and method of making the same
- Patent number 4,971,549
- Issue date Nov 20, 1990
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Method of operating gas furnace igniter
- Patent number 4,935,606
- Issue date Jun 19, 1990
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Primary gas furnace control
- Patent number 4,915,614
- Issue date Apr 10, 1990
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Fuel control unit for a gas furnace and method of making the same
- Patent number 4,865,539
- Issue date Sep 12, 1989
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Hot surface direct ignition system for gas furnaces
- Patent number 4,856,983
- Issue date Aug 15, 1989
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Primary gas furnace control
- Patent number 4,836,770
- Issue date Jun 6, 1989
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Heating element operating unit and method
- Patent number 4,809,128
- Issue date Feb 28, 1989
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Hot surface ignition system for a gas furnace and method of making...
- Patent number 4,755,132
- Issue date Jul 5, 1988
- Robertshaw Controls Company
- Frederick J. Geary
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Primary gas furnace control
- Patent number 4,755,133
- Issue date Jul 5, 1988
- Robertshaw Control Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Hot surface direct ignition system for gas furnaces
- Patent number 4,746,284
- Issue date May 24, 1988
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Hot surface ignition system for a gas furnace and method of making...
- Patent number 4,711,628
- Issue date Dec 8, 1987
- Robertshaw Controls Company
- Frederick J. Geary
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Primary gas furnace control
- Patent number 4,680,005
- Issue date Jul 14, 1987
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Hot surface direct ignition system for gas furnaces
- Patent number 4,643,668
- Issue date Feb 17, 1987
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Primary gas furnace control
- Patent number 4,626,192
- Issue date Dec 2, 1986
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Ignition system
- Patent number 4,535,380
- Issue date Aug 13, 1985
- Robertshaw Controls Company
- Frederick J. Geary
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Primary oil burner safety control and intermittent ignition system
- Patent number 4,278,419
- Issue date Jul 14, 1981
- Robertshaw Controls Company
- Jon H. Bechtel
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Ignition system
- Patent number 4,001,638
- Issue date Jan 4, 1977
- Robertshaw Controls Company
- Frederick T. Bauer
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Oil burner safety control system with integral ignition
- Patent number 3,959,697
- Issue date May 25, 1976
- Robertshaw Controls Company
- Frederick T. Bauer
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES

Frederick J. Geary

Person

Patents Grantslast 30 patents

Heat exchanger system, fuel control system therefor, and methods of...

Primary gas furnace control

Heat exchanger system, fuel control system therefor

Hot surface ignition system for a gas furnace, control device there...

Combination of an igniter for a gas furnace and a control unit ther...

Hot surface direct ignition system for gas furnaces

Hot surface ignition system for a gas furnace, control device there...

Fuel control unit for a gas furnace and method of making the same

Method of operating gas furnace igniter

Primary gas furnace control

Fuel control unit for a gas furnace and method of making the same

Hot surface direct ignition system for gas furnaces

Primary gas furnace control

Heating element operating unit and method

Hot surface ignition system for a gas furnace and method of making...

Primary gas furnace control

Hot surface direct ignition system for gas furnaces

Hot surface ignition system for a gas furnace and method of making...

Primary gas furnace control

Hot surface direct ignition system for gas furnaces

Primary gas furnace control

Ignition system

Primary oil burner safety control and intermittent ignition system

Ignition system

Oil burner safety control system with integral ignition