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William W. Billings
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Lima, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Power field effect transistor drive circuit
Patent number
4,970,420
Issue date
Nov 13, 1990
Westinghouse Electric Corp.
William W. Billings
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Current limited DC power controller
Patent number
4,943,761
Issue date
Jul 24, 1990
Westinghouse Electric Corp.
David A. Fox
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Solid state power controller
Patent number
4,864,214
Issue date
Sep 5, 1989
Westinghouse Electric Corp.
William W. Billings
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Bi-directional DC power controller with fault protection
Patent number
4,835,652
Issue date
May 30, 1989
Westinghouse Electric Corp.
William W. Billings
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Hybrid electrical power controller
Patent number
4,704,652
Issue date
Nov 3, 1987
Westinghouse Electric Corp.
William W. Billings
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Solid state power controller leakage current shunt circuit
Patent number
4,656,365
Issue date
Apr 7, 1987
Westinghouse Electric Corp.
William W. Billings
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Overcurrent protection system
Patent number
4,363,064
Issue date
Dec 7, 1982
The United States of America as represented by the Secretary of the Navy
William W. Billings
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Solid state circuit breaker with three phase capability
Patent number
4,245,185
Issue date
Jan 13, 1981
Westinghouse Electric Corp.
James T. Mitchell
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
AC Solid-state circuit breaker
Patent number
4,245,184
Issue date
Jan 13, 1981
Westinghouse Electric Corp.
William W. Billings
H03 - BASIC ELECTRONIC CIRCUITRY