Yu Zhang

Follow

Person

Farmington, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Non-linear spring isolation device
- Patent number 8,960,377
- Issue date Feb 24, 2015
- Otis Elevator Company
- Yu Zhang
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
NON-LINEAR SPRING ISOLATION DEVICE
- Publication number 20100164151
- Publication date Jul 1, 2010
- OTIS ELEVATOR COMPANY
- Yu Zhang
- B66 - HOISTING LIFTING HAULING