Geoffrey M. Smith

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Reisterstown, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Unrestricted frequency converter for unbalanced loads
- Patent number 5,047,915
- Issue date Sep 10, 1991
- Westinghouse Electric Corp.
- Geoffrey M. Smith
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Torque angle and peak current detector for synchronous motors
- Patent number 4,991,429
- Issue date Feb 12, 1991
- Westinghouse Electric Corp.
- Eric J. Stacey
- G01 - MEASURING TESTING
Information Patent Grant
Absolute shaft position sensing circuit
- Patent number 4,766,359
- Issue date Aug 23, 1988
- Westinghouse Electric Corp.
- Geoffrey M. Smith
- G01 - MEASURING TESTING
Information Patent Grant
Power active filter employing positive sequence filtering
- Patent number 4,757,415
- Issue date Jul 12, 1988
- Westinghouse Electric Corp.
- Geoffrey M. Smith
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Converting multiphase power from one frequency to another using cur...
- Patent number 4,439,823
- Issue date Mar 27, 1984
- Westinghouse Electric Corp.
- Laszlo Gyugyi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER