Qiwei Zhou

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Nanjing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Torsion-adjustable impact wrench
- Patent number 9,592,593
- Issue date Mar 14, 2017
- Chervon (HK) Limited
- Liang Chen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Electrical wrench
- Patent number 9,381,625
- Issue date Jul 5, 2016
- CHEVRON (HK) LIMITED
- Liang Chen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Electrical wrench
- Patent number 9,272,399
- Issue date Mar 1, 2016
- Chervon (HK) Limited
- Liang Chen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRICAL WRENCH
- Publication number 20140182420
- Publication date Jul 3, 2014
- CHERVON (HK) LIMITED
- Liang Chen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
ELECTRICAL WRENCH
- Publication number 20140165788
- Publication date Jun 19, 2014
- CHERVON (HK) LIMITED
- Liang Chen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
TORSION-ADJUSTABLE IMPACT WRENCH
- Publication number 20130228353
- Publication date Sep 5, 2013
- CHERVON (HK) LIMITED
- Liang Chen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS