Inventor · disambiguated record
Jeffrey M. Izard
Also filed as: IZARD JEFFREY M
7 granted patents·117 citations·filing 1994–2018
85Inventor score
Top patents by PatentIndex Score
7 records- 0190US8127894B2Elevator motor drive tolerant of an irregular power sourceAGIRMAN ISMAIL·Filed 2005·Granted Mar 6, 2012·26 cites·20 claims
- 0288US6601679B2Two-part wireless communications system for elevator hallway fixturesOTIS ELEVATOR CO·Filed 2001·Granted Aug 5, 2003·36 cites·13 claims
- 0373US6459599B1Determining phase of AC mains in PWM controlled converters without voltage sensorsOTIS ELEVATOR CO·Filed 2001·Granted Oct 1, 2002·30 cites·4 claims
- 0462US5631452ASystem for position loss recovery for an elevator carOTIS ELEVATOR CO·Filed 1994·Granted May 20, 1997·20 cites·21 claims
- 0560US10654682B2Conveyance system having paralleled drivesOTIS ELEVATOR CO·Filed 2015·Granted May 19, 2020·1 cites·18 claims
- 0658US8006808B2Managing an encoder malfunction in an elevator drive systemOTIS ELEVATOR CO·Filed 2006·Granted Aug 30, 2011·4 cites·23 claims
- 0743US11404954B2Pulse 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 →