Inventor · disambiguated record
David Gurwicz
Also filed as: GURWICZ DAVID
16 granted patents·223 citations·filing 1974–1998
94Inventor score
Top patents by PatentIndex Score
16 records- 0181US4195254AControl circuit for a D.C. motorCATERPILLAR TRACTOR CO·Filed 1978·Granted Mar 25, 1980·28 cites·5 claims
- 0271US4333134AConvertersCHLORIDE GROUP LTD·Filed 1980·Granted Jun 1, 1982·21 cites·15 claims
- 0366US6256209B1AC to DC conversion arrangementNADA ELECTRONICS LTD·Filed 1998·Granted Jul 3, 2001·36 cites·15 claims
- 0462US5434880ALaser systemLUMONICS LTD·Filed 1993·Granted Jul 18, 1995·25 cites·28 claims
- 0559US4104571APulse controllersSEVCON LTD·Filed 1976·Granted Aug 1, 1978·12 cites·16 claims
- 0657US4196469ADC-AC Converter including synchronized switchingCHLORIDE GROUP LTD·Filed 1978·Granted Apr 1, 1980·17 cites·14 claims
- 0752US4978829AElectric discharge machining power supply circuitNADA ELECTRONICS LTD·Filed 1989·Granted Dec 18, 1990·9 cites·7 claims
- 0851US4042865ASeparately excited D.C. motorsSEVCON LTD·Filed 1974·Granted Aug 16, 1977·10 cites·20 claims
- 0950US4054817APulse controllersSEVCON LTD·Filed 1976·Granted Oct 18, 1977·8 cites·5 claims
- 1047US4281279AChopper-controlled alternator for battery chargingNADA ELECTRONICS LTD·Filed 1979·Granted Jul 28, 1981·9 cites·6 claims
- 1145US4093980AD.C. Electrical circuit meansSEVCON LTD·Filed 1977·Granted Jun 6, 1978·6 cites·8 claims
- 1244US4227243AConvertersCHLORIDE GROUP LTD·Filed 1978·Granted Oct 7, 1980·13 cites·11 claims
- 1343US5371668AResonant inverterNADA ELECTRONICS LTD·Filed 1991·Granted Dec 6, 1994·11 cites·8 claims
- 1443US4110668AThyristor pulse controller for plural loadsSEVCON LTD·Filed 1977·Granted Aug 29, 1978·7 cites·10 claims
- 1539US3963967AContactor interlock circuitsSEVCON ENGINEERING LIMITED·Filed 1974·Granted Jun 15, 1976·5 cites·9 claims
- 1636US5043680AResonant converter oscillator usable for powering a magnetronELECTROLUX AB·Filed 1990·Granted Aug 27, 1991·6 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →