Zheng Yu

Follow

Person

Unionville, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Sound absorbing panels for elevator
- Patent number 11,279,594
- Issue date Mar 22, 2022
- Otis Elevator Company
- Zheng Yu
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator system sound reducing assembly and method
- Patent number 9,908,746
- Issue date Mar 6, 2018
- Otis Elevator Company
- Zheng Yu
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
SOUND ABSORBING PANELS FOR ELEVATOR
- Publication number 20210147185
- Publication date May 20, 2021
- Otis Elevator Company
- Zheng Yu
- B66 - HOISTING LIFTING HAULING
Information Patent Application
ELEVATOR SYSTEM SOUND REDUCING ASSEMBLY AND METHOD
- Publication number 20170015525
- Publication date Jan 19, 2017
- Otis Elevator Company
- Zheng Yu
- B66 - HOISTING LIFTING HAULING
Information Patent Application
WALL WITH STIFFENER INTEGRALLY FORMED THEREIN
- Publication number 20160009527
- Publication date Jan 14, 2016
- Otis Elevator Company
- Zheng Yu
- B66 - HOISTING LIFTING HAULING