Inventor · disambiguated record
John Eschenbrenner
Also filed as: ESCHENBRENNER JOHN · ESCHENBRENNER JOHN MICHAEL
7 granted patents·20 citations·filing 1997–2020
77Inventor score
Top patents by PatentIndex Score
7 records- 0171US11807493B1Retrofitted hoist machineOTIS ELEVATOR CO·Filed 2018·Granted Nov 7, 2023·1 cites·6 claims
- 0269US11299374B2Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machineOTIS ELEVATOR CO·Filed 2020·Granted Apr 12, 2022·0 cites·6 claims
- 0368US10618775B2Retrofitting an elevator machine with primary and secondary brakingOTIS ELEVATOR CO·Filed 2016·Granted Apr 14, 2020·1 cites·10 claims
- 0466US11377323B2Retrofitting an elevator machine with primary and secondary brakingOTIS ELEVATOR CO·Filed 2020·Granted Jul 5, 2022·0 cites·10 claims
- 0564US9624071B2Elevator passenger interface including special assistance featuresHANVEY DENNIS·Filed 2011·Granted Apr 18, 2017·4 cites·22 claims
- 0659US10737908B2Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machineOTIS ELEVATOR CO·Filed 2016·Granted Aug 11, 2020·0 cites·7 claims
- 0740US5780788ASpecial emergency service control arrangement for elevator carOTIS ELEVATOR CO·Filed 1997·Granted Jul 14, 1998·14 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →