Roy C. Demi

Person

Greensburg, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Burner valve control device, an electrical switch unit therefor and...
- Patent number 4,358,647
- Issue date Nov 9, 1982
- Robertshaw Controls Company
- Roy C. Demi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluid flow sensing switch device method of making the same
- Patent number 4,357,748
- Issue date Nov 9, 1982
- Robertshaw Controls Company
- Charles D. Branson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluid flow sensing switch device--method of making
- Patent number 4,356,625
- Issue date Nov 2, 1982
- Robertshaw Controls Company
- Roy C. Demi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Burner valve control device, an electrical switch unit therefor and...
- Patent number 4,342,886
- Issue date Aug 3, 1982
- Robertshaw Controls Company
- Roy C. Demi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluid flow sensing switch device and method of making the same
- Patent number 4,304,546
- Issue date Dec 8, 1981
- Robertshaw Controls Company
- Roy C. Demi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluid flow sensing switch device and method of making the same
- Patent number 4,243,374
- Issue date Jan 6, 1981
- Robertshaw Controls Company
- Roy C. Demi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluid flow sensing switch device
- Patent number 4,242,082
- Issue date Dec 30, 1980
- Robertshaw Controls Company
- Charles D. Branson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluid flow sensing switch device
- Patent number 4,242,083
- Issue date Dec 30, 1980
- Robertshaw Controls Company
- Roy C. Demi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fuel control system and control device therefor or the like
- Patent number 4,159,800
- Issue date Jul 3, 1979
- Robertshaw Controls Company
- Charles D. Branson
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Fuel control system and control device therefor or the like
- Patent number 4,123,036
- Issue date Oct 31, 1978
- Robertshaw Controls Company
- Charles D. Branson
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Fuel control system having by-pass means and parts therefor and the...
- Patent number 4,108,370
- Issue date Aug 22, 1978
- Robertshaw Controls Company
- Roy C. Demi
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Fuel control system and control device therefor or the like
- Patent number 4,085,891
- Issue date Apr 25, 1978
- Robertshaw Controls Company
- Charles D. Branson
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Fuel control system and control device therefor or the like
- Patent number 4,007,872
- Issue date Feb 15, 1977
- Robertshaw Controls Company
- Charles D. Branson
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Fuel control system and control device therefore or the like
- Patent number 4,007,907
- Issue date Feb 15, 1977
- Robertshaw Controls Company
- Charles D. Branson
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Fuel control system and control device therefor or the like
- Patent number 4,007,760
- Issue date Feb 15, 1977
- Robertshaw Controls Company
- Charles D. Branson
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Fuel control system and control device therefor or the like
- Patent number 3,989,064
- Issue date Nov 2, 1976
- Robertshaw Controls Company
- Charles D. Branson
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Fuel control system and control device therefor or the like
- Patent number 3,979,103
- Issue date Sep 7, 1976
- Robertshaw Controls Company
- Charles D. Branson
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES

Roy C. Demi

Person

Patents Grantslast 30 patents

Burner valve control device, an electrical switch unit therefor and...

Fluid flow sensing switch device method of making the same

Fluid flow sensing switch device--method of making

Burner valve control device, an electrical switch unit therefor and...

Fluid flow sensing switch device and method of making the same

Fluid flow sensing switch device and method of making the same

Fluid flow sensing switch device

Fluid flow sensing switch device

Fuel control system and control device therefor or the like

Fuel control system and control device therefor or the like

Fuel control system having by-pass means and parts therefor and the...

Fuel control system and control device therefor or the like

Fuel control system and control device therefor or the like

Fuel control system and control device therefore or the like

Fuel control system and control device therefor or the like

Fuel control system and control device therefor or the like

Fuel control system and control device therefor or the like