Carl F. Fernstrom

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St. Louis County, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Solenoid gas valve
- Patent number 5,199,456
- Issue date Apr 6, 1993
- Emerson Electric Co.
- John J. Love
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Adjustable two-stage fluid pressure regulating valve
- Patent number 4,932,430
- Issue date Jun 12, 1990
- Emerson Electric Co.
- Carl F. Fernstrom
- G05 - CONTROLLING REGULATING
Information Patent Grant
Gas valve
- Patent number 4,718,448
- Issue date Jan 12, 1988
- Emerson Electric Co.
- John J. Love
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Direct ignition gas burner control system
- Patent number 4,289,476
- Issue date Sep 15, 1981
- Emerson Electric Co.
- Charles D. Visos
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Direct ignition gas burner control system
- Patent number 4,243,373
- Issue date Jan 6, 1981
- Emerson Electric Co.
- Carl F. Fernstrom
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Burner control system with cycling pilot burner
- Patent number 3,975,135
- Issue date Aug 17, 1976
- Emerson Electric Co.
- Howard R. Kinsella
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES