Wentian Yu

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Hangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Handle and a hammering tool
- Patent number 11,253,986
- Issue date Feb 22, 2022
- HANGZHOU GREAT STAR INDUSTRIAL CO., LTD.
- Wentian Yu
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Adjustable torque screwdriver
- Patent number 9,421,675
- Issue date Aug 23, 2016
- Hangzhou Great Star Tools Co., Ltd.
- Wentian Yu
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
A HANDLE AND A HAMMERING TOOL
- Publication number 20190283226
- Publication date Sep 19, 2019
- HANGZHOU GREAT STAR INDUSTRIAL CO., LTD.
- Wentian YU
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
HAMMER
- Publication number 20160199968
- Publication date Jul 14, 2016
- Hangzhou Great Star Industrial Co., Ltd
- Wentian Yu
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
ADJUSTABLE TORQUE SCREWDRIVER
- Publication number 20150090078
- Publication date Apr 2, 2015
- Hangzhou Great Star Tools Co., Ltd.
- Wentian Yu
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS