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Nanjing, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Working component for mating with multiple shaft ends
Patent number
9,120,216
Issue date
Sep 1, 2015
Chervon (HK) Limited
Xiaofeng Zhang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Working component for mating with multiple shaft ends
Patent number
9,044,874
Issue date
Jun 2, 2015
Chervon (HK) Limited
Xiaofeng Zhang
B24 - GRINDING POLISHING
Information
Patent Grant
Adaptor for adapting a working element to an end of a power tool shaft
Patent number
8,827,278
Issue date
Sep 9, 2014
Chervon (HK) Limited
Zhiguo Chen
B24 - GRINDING POLISHING
Information
Patent Grant
Oscillating tool working attachment
Patent number
D677546
Issue date
Mar 12, 2013
Chervon (HK) Limited
Hongtao Zhou
D08 - Tools and hardware
Patents Applications
last 30 patents
Information
Patent Application
WORKING COMPONENT FOR MATING WITH MULTIPLE SHAFT ENDS
Publication number
20110316242
Publication date
Dec 29, 2011
CHERVON (HK) LIMITED
Xiaofeng Zhang
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Application
WORKING COMPONENT FOR MATING WITH MULTIPLE SHAFT ENDS
Publication number
20110316241
Publication date
Dec 29, 2011
CHERVON (HK) LIMITED
Xiaofeng Zhang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ADAPTOR FOR ADAPTING A WORKING ELEMENT TO AN END OF A POWER TOOL SHAFT
Publication number
20110291368
Publication date
Dec 1, 2011
CHERVON (HK) LIMITED
Zhiguo Chen
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
WORKING TOOL ADAPTED FOR USE WITH AN OSCILLATING POWER TOOL
Publication number
20110277611
Publication date
Nov 17, 2011
CHERVON LIMITED
Zhiguo Chen
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Oscillating power tool
Publication number
20110253405
Publication date
Oct 20, 2011
Zhiguo Chen
B24 - GRINDING POLISHING
Information
Patent Application
ADAPTER FOR MULTIFUNCTIONAL TOOL
Publication number
20110227300
Publication date
Sep 22, 2011
CHERVON LIMITED
Xiaofeng Zhang
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...