Duan Liang

Follow

Person

Farmington, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Safety brake configuration for elevator application
- Patent number 11,124,386
- Issue date Sep 21, 2021
- Otis Elevator Company
- Richard N. Fargo
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
ELEVATOR SAFETY GEAR ACTUATION DEVICE
- Publication number 20190330020
- Publication date Oct 31, 2019
- Otis Elevator Company
- Ruben Sanchez Munoz
- B66 - HOISTING LIFTING HAULING
Information Patent Application
ELEVATOR SAFETY SPRING AND METHOD OF MANUFACTURING
- Publication number 20170261058
- Publication date Sep 14, 2017
- Otis Elevator Company
- Shihemn Chen
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
SAFETY BRAKE CONFIGURATION FOR ELEVATOR APPLICATION
- Publication number 20170057783
- Publication date Mar 2, 2017
- Otis Elevator Company
- Richard N. Fargo
- B66 - HOISTING LIFTING HAULING