Inventor · disambiguated record
Christopher S. Czerwinski
Also filed as: CZERWINSKI CHRISTOPHER · CZERWINSKI CHRISTOPHER S
10 granted patents·222 citations·filing 1996–2018
90Inventor score
Top patents by PatentIndex Score
10 records- 0190US8127894B2Elevator motor drive tolerant of an irregular power sourceAGIRMAN ISMAIL·Filed 2005·Granted Mar 6, 2012·26 cites·20 claims
- 0277US6166930AReduced common voltage in a DC matrix converterOTIS ELEVATOR CO·Filed 1999·Granted Dec 26, 2000·58 cites·5 claims
- 0375USRE38439EControl of a DC matrix converterOTIS ELEVATOR CO·Filed 2002·Granted Feb 24, 2004·33 cites·9 claims
- 0474US6483271B1Motor drive parametersOTIS ELEVATOR CO·Filed 2000·Granted Nov 19, 2002·24 cites·13 claims
- 0573US6459599B1Determining phase of AC mains in PWM controlled converters without voltage sensorsOTIS ELEVATOR CO·Filed 2001·Granted Oct 1, 2002·30 cites·4 claims
- 0660US6058028AControl of a DC matrix converterOTIS ELEVATOR CO·Filed 1999·Granted May 2, 2000·30 cites·9 claims
- 0755US10513414B2System and method of maintaining performance of a systemOTIS ELEVATOR CO·Filed 2015·Granted Dec 24, 2019·0 cites·17 claims
- 0850US5808240ALow-inductance planar bus arrangementOTIS ELEVATOR CO·Filed 1996·Granted Sep 15, 1998·17 cites·7 claims
- 0947US7609534B2Operating a three phase device using single phase powerOTIS ELEVATOR CO·Filed 2004·Granted Oct 27, 2009·4 cites·11 claims
- 1043US11404954B2Pulse width modulation interleavingCARRIER CORP·Filed 2018·Granted Aug 2, 2022·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →