Inventor
DERWINSKI PATRICIA
US17 patents
⚠️ This page may combine multiple inventors who share the name “DERWINSKI PATRICIA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
16 patentsUS10669124B2Jun 2, 2020
Elevator system including a protective hoistway liner assembly
OTIS ELEVATOR CO2 citations71
US11292693B2Apr 5, 2022
Elevator system control based on building sway
OTIS ELEVATOR CO2 citations70
US11440774B2Sep 13, 2022
Elevator roping sway damper assembly
OTIS ELEVATOR CO3 citations69
US10494228B2Dec 3, 2019
Guiding devices for elevator systems having roller guides and motion sensors
OTIS ELEVATOR CO3 citations68
US11130655B2Sep 28, 2021
Elevator car dynamic sag damping system
OTIS ELEVATOR CO0 citations61
US11198589B2Dec 14, 2021
Elevator system including a protective hoistway liner assembly
OTIS ELEVATOR CO0 citations60
US11905142B2Feb 20, 2024
Elevator system control based on building sway
OTIS ELEVATOR CO0 citations59
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
US12180035B2Dec 31, 2024
Elevator cab ventilation
OTIS ELEVATOR CO0 citations56
US10737908B2Aug 11, 2020
Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machine
OTIS ELEVATOR CO0 citations49
US11267675B2Mar 8, 2022
Cooling system for elevator with electronic visual displays
OTIS ELEVATOR CO0 citations47
US11898776B2Feb 13, 2024
Elevator cab air purification
OTIS ELEVATOR CO0 citations46
US10532910B2Jan 14, 2020
Underslung elevator car configuration
OTIS ELEVATOR CO0 citations42
US12122639B2Oct 22, 2024
Mobile interface, communication, and control system to facilitate operation of elevator cars with media options
OTIS ELEVATOR CO0 citations41