Donald M. Demarest

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Wallingford, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Solid state valve thermal protection for HVDC power converters
- Patent number 4,117,527
- Issue date Sep 26, 1978
- General Electric Company
- Donald Monroe Demarest
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
HVDC Floating current order system
- Patent number 4,106,085
- Issue date Aug 8, 1978
- General Electric Company
- Donald M. Demarest
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Reverse voltage surge protection for high-voltage thyristors
- Patent number 3,947,726
- Issue date Mar 30, 1976
- General Electric Co.
- Angelo L. DeCecco
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gate pulse power supply for static alternating current switch
- Patent number 3,938,032
- Issue date Feb 10, 1976
- General Electric Company
- Donald M. Demarest
- G05 - CONTROLLING REGULATING