Inventor · disambiguated record
Alan H. Fitzsimmons
Also filed as: FITZSIMMONS ALAN H
6 granted patents·167 citations·filing 1988–2016
85Inventor score
Files withPRESTOLITE ELECTRIC INC3HYSTER YALE GROUP INC1NACCO MAT HANDLING GROUP INC1NMHG OREGON LLC1
Top patents by PatentIndex Score
6 records- 0185US8022663B2Energy recapture for an industrial vehicleNMHG OREGON LLC·Filed 2008·Granted Sep 20, 2011·38 cites·30 claims
- 0284US4918348ABrush wear indicatorPRESTOLITE ELECTRIC INC·Filed 1988·Granted Apr 17, 1990·50 cites·30 claims
- 0381US4953284AMethod for retaining a magnet within a motor assemblyPRESTOLITE ELECTRIC INC·Filed 1989·Granted Sep 4, 1990·49 cites·2 claims
- 0473US9459349B2Vehicle and environmental detection systemNACCO MAT HANDLING GROUP INC·Filed 2014·Granted Oct 4, 2016·3 cites·24 claims
- 0569US10040676B2Vehicle and environmental detection systemHYSTER YALE GROUP INC·Filed 2016·Granted Aug 7, 2018·2 cites·20 claims
- 0662US4916344AMotor magnet shield retention assemblyPRESTOLITE ELECTRIC INC·Filed 1988·Granted Apr 10, 1990·25 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →