P

Inventor

HERKEL PETER

DE31 patents
⚠️ This page may combine multiple inventors who share the name “HERKEL PETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OTIS ELEVATOR CO

20 patents
US6173814B1Jan 16, 2001

Electronic safety system for elevators having a dual redundant safety bus

OTIS ELEVATOR CO235 citations97
US6170614B1Jan 9, 2001

Electronic overspeed governor for elevators

OTIS ELEVATOR CO59 citations95
US5677519AOct 14, 1997

Elevator leveling adjustment

OTIS ELEVATOR CO30 citations90
US8365870B2Feb 5, 2013

Foldable handrail and safety switch arrangement on top of an elevator car

OTIS ELEVATOR CO19 citations89
US5765664AJun 16, 1998

Elevator drive fault detector

OTIS ELEVATOR CO21 citations86
US6591947B2Jul 15, 2003

Use of multi-state sensors

OTIS ELEVATOR CO13 citations82
US10442660B2Oct 15, 2019

Elevator brake control system

OTIS ELEVATOR CO2 citations73
US9938115B2Apr 10, 2018

System and method for limiting over-voltage in power supply system

OTIS ELEVATOR CO6 citations72
US12012307B2Jun 18, 2024

Elevator safety system

OTIS ELEVATOR CO2 citations71
US11485608B2Nov 1, 2022

Elevator safety system

OTIS ELEVATOR CO4 citations71
US10787341B2Sep 29, 2020

Elevator control system and elevator system having inspection control station

OTIS ELEVATOR CO3 citations68
US10947087B2Mar 16, 2021

Elevator safety system and method of operating an elevator system

OTIS ELEVATOR CO0 citations61
US11414297B2Aug 16, 2022

Elevator safety device

OTIS ELEVATOR CO0 citations55
US11535487B2Dec 27, 2022

Elevator safety system

OTIS ELEVATOR CO0 citations52
US11440773B2Sep 13, 2022

Automatic rescue operation in an elevator system

OTIS ELEVATOR CO0 citations52
US11014781B2May 25, 2021

Elevator safety system and method of monitoring an elevator system

OTIS ELEVATOR CO0 citations50
US12559349B2Feb 24, 2026

Elevator safety systems with landing door monitoring

OTIS ELEVATOR CO0 citations49
US11993481B2May 28, 2024

Elevator system

OTIS ELEVATOR CO0 citations49
US10155640B2Dec 18, 2018

Elevator system using rescue storage device for increased power

OTIS ELEVATOR CO1 citations47
US11565911B2Jan 31, 2023

Electronic test nodes for automatic check of a safety chain

OTIS ELEVATOR CO0 citations41

HERKEL PETER

4 patents

BRAASCH BURKHARD

2 patents

SIRIGU GERARD

1 patent

LOEB RUEDIGER

1 patent

REBILLARD PASCAL

1 patent

PARILLO SHARI R

1 patent

OTIS ELEVATOR COMPANY

1 patent