GuoChen Gao

Person

Tianjin, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Friction material and preparation method therefor, and friction part
- Patent number 11,885,387
- Issue date Jan 30, 2024
- Otis Elevator Company
- Ruguang Liu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Traction machine assembly and elevator
- Patent number 11,702,321
- Issue date Jul 18, 2023
- Otis Elevator Company
- RuGuang Liu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Brake device for elevator and an elevator system
- Patent number 10,975,927
- Issue date Apr 13, 2021
- Otis Elevator Company
- Zixu Zhang
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Brake for elevator and a replacement method of damper of the brake...
- Patent number 10,288,135
- Issue date May 14, 2019
- Otis Elevator Company
- Yatao Li
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
ELEVATOR BRAKING DEVICE AND ELEVATOR SYSTEM
- Publication number 20250206567
- Publication date Jun 26, 2025
- Otis Elevator Company
- GuoChen Gao
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ELEVATOR BRAKING DEVICE AND ELEVATOR SYSTEM
- Publication number 20240067498
- Publication date Feb 29, 2024
- Otis Elevator Company
- Zhengzong Tang
- B66 - HOISTING LIFTING HAULING
Information Patent Application
FRICTION MATERIAL AND PREPARATION METHOD THEREFOR, AND FRICTION PART
- Publication number 20230134070
- Publication date May 4, 2023
- Otis Elevator Company
- Ruguang Liu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ELECTROMAGNETIC DEVICE FOR ELEVATOR BRAKE, ELEVATOR BRAKE AND ELEVA...
- Publication number 20230022165
- Publication date Jan 26, 2023
- Otis Elevator Company
- Guochen Gao
- B66 - HOISTING LIFTING HAULING
Information Patent Application
BRAKE DEVICE FOR ELEVATOR AND AN ELEVATOR SYSTEM
- Publication number 20200056666
- Publication date Feb 20, 2020
- Otis Elevator Company
- Zixu Zhang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
TRACTION MACHINE ASSEMBLY AND ELEVATOR
- Publication number 20190210841
- Publication date Jul 11, 2019
- Otis Elevator Company
- RuGuang Liu
- B66 - HOISTING LIFTING HAULING
Information Patent Application
BRAKE FOR ELEVATOR AND A REPLACEMENT METHOD OF DAMPER OF THE BRAKE...
- Publication number 20170299003
- Publication date Oct 19, 2017
- Otis Elevator Company
- Yatao Li
- B66 - HOISTING LIFTING HAULING

GuoChen Gao

Person

Patents Grantslast 30 patents

Friction material and preparation method therefor, and friction part

Traction machine assembly and elevator

Brake device for elevator and an elevator system

Brake for elevator and a replacement method of damper of the brake...

Patents Applicationslast 30 patents

ELEVATOR BRAKING DEVICE AND ELEVATOR SYSTEM

ELEVATOR BRAKING DEVICE AND ELEVATOR SYSTEM

FRICTION MATERIAL AND PREPARATION METHOD THEREFOR, AND FRICTION PART

ELECTROMAGNETIC DEVICE FOR ELEVATOR BRAKE, ELEVATOR BRAKE AND ELEVA...

BRAKE DEVICE FOR ELEVATOR AND AN ELEVATOR SYSTEM

TRACTION MACHINE ASSEMBLY AND ELEVATOR

BRAKE FOR ELEVATOR AND A REPLACEMENT METHOD OF DAMPER OF THE BRAKE...