Inventor
KOENIG CHRISTOPHER H
US7 patents
⚠️ This page may combine multiple inventors who share the name “KOENIG CHRISTOPHER H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
6 patentsUS5594219AJan 14, 1997
Elevator position apparatus
OTIS ELEVATOR CO25 citations91
US11377323B2Jul 5, 2022
Retrofitting an elevator machine with primary and secondary braking
OTIS ELEVATOR CO0 citations59
US11299374B2Apr 12, 2022
Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machine
OTIS ELEVATOR CO0 citations59
US10618775B2Apr 14, 2020
Retrofitting an elevator machine with primary and secondary braking
OTIS ELEVATOR CO1 citations59
US11807493B1Nov 7, 2023
Retrofitted hoist machine
OTIS ELEVATOR CO1 citations58
US10737908B2Aug 11, 2020
Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machine
OTIS ELEVATOR CO0 citations49