Inventor · disambiguated record
Christopher H. Koenig
Also filed as: KOENIG CHRISTOPHER H
7 granted patents·32 citations·filing 1995–2020
78Inventor 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
- 0468US8752262B2Supplemental elevator brake and retrofitting installation procedureDAVIS DANIEL B·Filed 2010·Granted Jun 17, 2014·5 cites·17 claims
- 0566US11377323B2Retrofitting an elevator machine with primary and secondary brakingOTIS ELEVATOR CO·Filed 2020·Granted Jul 5, 2022·0 cites·10 claims
- 0665US5594219AElevator position apparatusOTIS ELEVATOR CO·Filed 1995·Granted Jan 14, 1997·25 cites·18 claims
- 0759US10737908B2Method 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
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