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Synchronous generator protection
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Patent number 8,248,038
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Issue date Aug 21, 2012
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EMPIRE TECHNOLOGY DEVELOPMENT LLC
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K. R. Padiyar
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Electromagnet relay with flux biasing
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Patent number 4,968,960
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Issue date Nov 6, 1990
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ABB Power T&D Company Inc.
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Redjem Bouhenguel
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Synchronism check relay
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Patent number 4,538,197
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Issue date Aug 27, 1985
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General Electric Company
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Thomas B. Breen
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3673422
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Patent number 3,673,422
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Issue date Jun 27, 1972
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2561848
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Patent number 2,561,848
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Issue date Jul 24, 1951
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2525485
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Patent number 2,525,485
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Issue date Oct 10, 1950
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2509025
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Patent number 2,509,025
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Issue date May 23, 1950
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2405079
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Patent number 2,405,079
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Issue date Jul 30, 1946
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2405082
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Patent number 2,405,082
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Issue date Jul 30, 1946
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2405083
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Patent number 2,405,083
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Issue date Jul 30, 1946
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2394126
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Patent number 2,394,126
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Issue date Feb 5, 1946
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2360176
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Patent number 2,360,176
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Issue date Oct 10, 1944
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2310065
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Patent number 2,310,065
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Issue date Feb 2, 1943
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2303133
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Patent number 2,303,133
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Issue date Nov 24, 1942
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2210680
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Patent number 2,210,680
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Issue date Aug 6, 1940
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2210693
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Patent number 2,210,693
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Issue date Aug 6, 1940
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2169853
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Patent number 2,169,853
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Issue date Aug 15, 1939
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2053446
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Patent number 2,053,446
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Issue date Sep 8, 1936
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER