Inventor · disambiguated record
Charles E. Konrad
Also filed as: KONRAD CHARLES E · KONRAD CHARLES EDWARD
27 granted patents·1,627 citations·filing 1974–1999
98Inventor score
Top patents by PatentIndex Score
27 records- 0198US5883489AHigh speed deep well pump for residential useGEN ELECTRIC·Filed 1996·Granted Mar 16, 1999·184 cites·26 claims
- 0298US4423362AElectric vehicle current regulating systemGEN ELECTRIC·Filed 1982·Granted Dec 27, 1983·120 cites·9 claims
- 0397US4021718ABattery monitoring apparatusGEN ELECTRIC·Filed 1975·Granted May 3, 1977·106 cites·13 claims
- 0496US5376869AElectric vehicle drive train with rollback detection and compensationGEN ELECTRIC·Filed 1993·Granted Dec 27, 1994·150 cites·27 claims
- 0592US6254353B1Method and apparatus for controlling operation of a submersible pumpGEN ELECTRIC·Filed 1999·Granted Jul 3, 2001·173 cites·33 claims
- 0692US5945802AGround fault detection and protection method for a variable speed ac electric motorGEN ELECTRIC·Filed 1997·Granted Aug 31, 1999·150 cites·14 claims
- 0789US5369540AElectric vehicle drive train with contactor protectionGEN ELECTRIC·Filed 1993·Granted Nov 29, 1994·118 cites·27 claims
- 0887US5403244AElectric vehicle drive train with direct coupling transmissionGEN ELECTRIC·Filed 1993·Granted Apr 4, 1995·73 cites·22 claims
- 0986US5227703AProtection system for alternating current, battery powered electric traction motor vehicleGEN ELECTRIC·Filed 1992·Granted Jul 13, 1993·108 cites·11 claims
- 1086US4593380ADual function input/output for a programmable controllerGEN ELECTRIC·Filed 1984·Granted Jun 3, 1986·47 cites·16 claims
- 1181US4520299ATurning speed controller for electric vehicles having dual drive motorsGEN ELECTRIC·Filed 1983·Granted May 28, 1985·36 cites·5 claims
- 1281US4234840ABattery state-of-charge indicatorGEN ELECTRIC·Filed 1979·Granted Nov 18, 1980·47 cites·16 claims
- 1380US4500818ADual motor proportioning controlGEN ELECTRIC·Filed 1983·Granted Feb 19, 1985·34 cites·6 claims
- 1472US4870564ADistributed input/output systemGE FANUC AUTOMATION INC·Filed 1988·Granted Sep 26, 1989·31 cites·3 claims
- 1572US3995204ABraking mode control for an electric traction motorGEN ELECTRIC·Filed 1974·Granted Nov 30, 1976·17 cites·5 claims
- 1670US4002972AElectric vehicle control analyzerGEN ELECTRIC·Filed 1975·Granted Jan 11, 1977·22 cites·11 claims
- 1769US4320334ABattery state-of-charge indicatorGEN ELECTRIC·Filed 1980·Granted Mar 16, 1982·24 cites·10 claims
- 1865US5287051AMethod and apparatus for improved efficiency in a pulse-width-modulated alternating current motor driveGEN ELECTRIC·Filed 1992·Granted Feb 15, 1994·29 cites·19 claims
- 1964US4449080AElectric vehicle protection schemeGEN ELECTRIC·Filed 1982·Granted May 15, 1984·20 cites·3 claims
- 2062US5486748AMethod and apparatus for improved efficiency in a pulse-width-modulated alternating current motor driveGEN ELECTRIC·Filed 1994·Granted Jan 23, 1996·37 cites·22 claims
- 2160US3968414ABypass contactor controlGEN ELECTRIC·Filed 1974·Granted Jul 6, 1976·14 cites·13 claims
- 2258US4468599APlug current regulatorGEN ELECTRIC·Filed 1984·Granted Aug 28, 1984·18 cites·4 claims
- 2356US4764868ADistributed input/output systemGEN ELECTRIC·Filed 1986·Granted Aug 16, 1988·25 cites·11 claims
- 2455US4375603AShunt-wound control for on-road vehicleGEN ELECTRIC·Filed 1981·Granted Mar 1, 1983·12 cites·10 claims
- 2551US4454503ATransistor fault indicatorGEN ELECTRIC·Filed 1981·Granted Jun 12, 1984·11 cites·9 claims
- 2648US4427930AElectric vehicle current regulatorGEN ELECTRIC·Filed 1981·Granted Jan 24, 1984·13 cites·3 claims
- 2744US4443744AMethod and apparatus for charge enhancement of a commutating capacitorGEN ELECTRIC·Filed 1982·Granted Apr 17, 1984·8 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →