Inventor · disambiguated record
William J. Derwin
Also filed as: DERWIN WILLIAM J
3 granted patents·3 citations·filing 2006–2016
54Inventor score
Top patents by PatentIndex Score
3 records- 0156US10364128B2Method of installing a vertically extending member in an elevator systemOTIS ELEVATOR CO·Filed 2016·Granted Jul 30, 2019·0 cites·5 claims
- 0245US9604823B2Assembly for roping an elevatorSHEYNKMAN VALERY·Filed 2006·Granted Mar 28, 2017·3 cites·16 claims
- 0343US8714537B2Lifting device clamp having a curvilinear surfaceSMITH JEFFREY A·Filed 2006·Granted May 6, 2014·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →