Inventor · disambiguated record
Kenneth Lipman
Also filed as: LIPMAN KENNETH
14 granted patents·287 citations·filing 1978–1991
94Inventor score
Top patents by PatentIndex Score
14 records- 0190US4204264AHarmonic cancellation for multi-bridge, three-phase convertersUNITED TECHNOLOGIES CORP·Filed 1978·Granted May 20, 1980·46 cites·4 claims
- 0277US4245290ASliding notch pulse width modulation (PWM)UNITED TECHNOLOGIES CORP·Filed 1978·Granted Jan 13, 1981·21 cites·3 claims
- 0371US4975822AHarmonic reduction for multi-bridge convertersINT FUEL CELLS CORP·Filed 1989·Granted Dec 4, 1990·30 cites·1 claims
- 0469US4953071AAuxiliary excitation circuit for phased transformersINT FUEL CELLS INC·Filed 1989·Granted Aug 28, 1990·26 cites·12 claims
- 0568US4778579AMethod and apparatus for operating a fuel cell in combination with an electrochemical cell to produce a chemical productUNITED TECHNOLOGIES CORP·Filed 1987·Granted Oct 18, 1988·29 cites·26 claims
- 0667US4797186AMethod and apparatus for operating a fuel cell in combination with an electrochemical cell to produce a chemical productUNITED TECHNOLOGIES CORP·Filed 1987·Granted Jan 10, 1989·27 cites·23 claims
- 0767US4266190ADual core magnetic amplifier sensorUNITED TECHNOLOGIES CORP·Filed 1978·Granted May 5, 1981·17 cites·5 claims
- 0866US4922401AInverter circuit utilizing the reverse voltage capabilities of symmetrical gate turn off thyristorsINT FUEL CELLS CORP·Filed 1989·Granted May 1, 1990·25 cites·11 claims
- 0961US4954726ASwitching an inverter with stored signal sequencesINT FUEL CELLS CORP·Filed 1989·Granted Sep 4, 1990·21 cites·2 claims
- 1054US5010470ACurrent balancing structure for semiconductor switching devicesINT FUEL CELLS CORP·Filed 1990·Granted Apr 23, 1991·13 cites·7 claims
- 1153US4792384AMethod and apparatus for operating a fuel cell in combination with an electrochemical cell to produce a chemical productUNITED TECHNOLOGIES CORP·Filed 1987·Granted Dec 20, 1988·17 cites·14 claims
- 1235US5224028AMethod for defining pulse width modulation (PWM) waveform patterns to produce inverter outputs having a low harmonic contentINT FUEL CELLS INC·Filed 1991·Granted Jun 29, 1993·7 cites·4 claims
- 1332US4358820AInverter with individual commutation circuitUNITED TECHNOLOGIES CORP·Filed 1980·Granted Nov 9, 1982·2 cites·4 claims
- 1431US4780187AMethod and apparatus for operating a fuel cell in combination with an electrochemical cell to produce a chemical productLEVY ALEXANDER H·Filed 1987·Granted Oct 25, 1988·6 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →