Birch L. DeVault

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Beaver, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Microprocessor based electrical contactor with distributed contacto...
- Patent number 5,440,180
- Issue date Aug 8, 1995
- Eaton Corporation
- Birch L. DeVault
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mechanical interlock for a pair of electromagnetic switches
- Patent number 5,164,694
- Issue date Nov 17, 1992
- Westinghouse Electric Corp.
- Birch L. DeVault
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic contactor with reduced noise magnetic armature
- Patent number 4,739,293
- Issue date Apr 19, 1988
- Westinghouse Electric Corp.
- Ricky A. Hurley
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical control apparatus with electromagnetic latch
- Patent number 4,617,546
- Issue date Oct 14, 1986
- Westinghouse Electric Corp.
- Walter J. Kellogg
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric control device
- Patent number 4,377,796
- Issue date Mar 22, 1983
- Westinghouse Electric Corp.
- Kurt A. Grunert
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric control device
- Patent number 4,309,683
- Issue date Jan 5, 1982
- Westinghouse Electric Corp.
- Kurt A. Grunert
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit interrupter with optical indicator
- Patent number 4,302,650
- Issue date Nov 24, 1981
- Westinghouse Electric Corp.
- Kurt A. Grunert
- H01 - BASIC ELECTRIC ELEMENTS