Wenna Fang

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Changshu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Traction sheave safety device and elevator car emergency stop metho...
- Patent number 11,325,810
- Issue date May 10, 2022
- Suzhou Torin Drive Equipment Co., Ltd.
- Jianwen Cao
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Disk brake with an improved structure
- Patent number 8,210,325
- Issue date Jul 3, 2012
- Suzhou Torin Drive Equipment Co., Ltd.
- Jianwen Cao
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Disk brake
- Patent number 8,091,691
- Issue date Jan 10, 2012
- Suzhou Torin Drive Equipment Co., Ltd.
- Yesheng Qu
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
TRACTION SHEAVE SAFETY DEVICE AND ELEVATOR CAR EMERGENCY STOP METHO...
- Publication number 20190047820
- Publication date Feb 14, 2019
- SUZHOU TORIN DRIVE EQUIPMENT CO., LTD.
- Jianwen Cao
- B66 - HOISTING LIFTING HAULING
Information Patent Application
DISK BRAKE WITH AN IMPROVED STRUCTURE
- Publication number 20100122876
- Publication date May 20, 2010
- Jianwen Cao
- B66 - HOISTING LIFTING HAULING
Information Patent Application
DISK BRAKE
- Publication number 20090260927
- Publication date Oct 22, 2009
- Yesheng Qu
- B66 - HOISTING LIFTING HAULING
Information Patent Application
PERMANENT-MAGNET SYNCHRONOUS GEARLESS TRACTION MACHINE
- Publication number 20090127949
- Publication date May 21, 2009
- He Zhang
- B66 - HOISTING LIFTING HAULING