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Hongtao Zhou

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Patents Grantslast 30 patents

  • Information Patent Grant

    Power tool
    • Patent number 9,764,444
    • Issue date Sep 19, 2017
    • Chervon (HK) Limited
    • Hongtao Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Accessory clamping mechanism and power tool having the same
    • Patent number 9,486,934
    • Issue date Nov 8, 2016
    • Chervon (HK) Limited
    • Hongtao Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Saw blade clamping device and the operation method thereof
    • Patent number 9,434,016
    • Issue date Sep 6, 2016
    • Chervon (HK) Limited
    • Hongtao Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Accessory clamping mechanism and power tool having the same
    • Patent number 9,339,927
    • Issue date May 17, 2016
    • Chervon (HK) Limited
    • Guosheng Xu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Multi-tool for fasteners
    • Patent number 9,333,637
    • Issue date May 10, 2016
    • CHEVRON (HK) LIMITED
    • Hongtao Zhou
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Power tool
    • Patent number 9,174,354
    • Issue date Nov 3, 2015
    • Chevron (HK) Limited
    • Hongtao Zhou
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Power tool having a clamping device for a working element
    • Patent number 9,061,410
    • Issue date Jun 23, 2015
    • Chervon (HK) Limited
    • Hongtao Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hand-held power tool with a quick-clamping device for a working ele...
    • Patent number 9,050,663
    • Issue date Jun 9, 2015
    • Chervon (HK) Limited
    • Hongtao Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power tool
    • Patent number 8,960,688
    • Issue date Feb 24, 2015
    • Chervon (HK) Limited
    • Hongtao Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Electric hammer
    • Patent number 8,893,945
    • Issue date Nov 25, 2014
    • Chervon (HK) Limited
    • Hongtao Zhou
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Sanding machine with clamping mechanism
    • Patent number 8,894,469
    • Issue date Nov 25, 2014
    • Chervon Limited
    • Hongtao Zhou
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Auto hammer
    • Patent number 8,783,378
    • Issue date Jul 22, 2014
    • Chervon Limited
    • Hongtao Zhou
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Power tool with an automatic nail-feeding mechanism
    • Patent number 8,777,081
    • Issue date Jul 15, 2014
    • Chervon (HK) Limited
    • Liang Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Quick-clamping mechanism for electric hammer
    • Patent number 8,678,262
    • Issue date Mar 25, 2014
    • Chervon (HK) Limited
    • Hongtao Zhou
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Clamping mechanism for an electric hammer
    • Patent number 8,596,512
    • Issue date Dec 3, 2013
    • Chervon Limited
    • Hongtao Zhou
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Clamping device for a cutting member
    • Patent number 8,485,937
    • Issue date Jul 16, 2013
    • Chervon (HK) Limited
    • Hongtao Zhou
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Auto hammer
    • Patent number 8,469,250
    • Issue date Jun 25, 2013
    • Chervon Limited
    • Hongtao Zhou
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Clamping mechanism for an auto hammer
    • Patent number 8,424,734
    • Issue date Apr 23, 2013
    • Chervon Limited
    • Hongtao Zhou
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Oscillating tool working attachment
    • Patent number D677546
    • Issue date Mar 12, 2013
    • Chervon (HK) Limited
    • Hongtao Zhou
    • D08 - Tools and hardware
  • Information Patent Grant

    Saw blade clamping mechanism for a power tool
    • Patent number 8,272,135
    • Issue date Sep 25, 2012
    • Chervon Limited
    • Hongtao Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Oscillating tool
    • Patent number D663181
    • Issue date Jul 10, 2012
    • Chervon (HK) Limited
    • Hongtao Zhou
    • D08 - Tools and hardware
  • Information Patent Grant

    Reciprocating saw
    • Patent number 8,166,660
    • Issue date May 1, 2012
    • Chervon Limited
    • Hongtao Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    POWER TOOL
    • Publication number 20160045998
    • Publication date Feb 18, 2016
    • CHERVON INTELLECTUAL PROPERTY LIMITED
    • Hongtao Zhou
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    SAW BLADE CLAMPING DEVICE AND THE OPERATION METHOD THEREOF
    • Publication number 20150183036
    • Publication date Jul 2, 2015
    • CHERVON (HK) LIMITED
    • Hongtao Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ACCESSORY CLAMPING MECHANISM AND POWER TOOL HAVING THE SAME
    • Publication number 20140183828
    • Publication date Jul 3, 2014
    • CHERVON (HK) LIMITED
    • Guosheng Xu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ACCESSORY CLAMPING MECHANISM AND POWER TOOL HAVING THE SAME
    • Publication number 20140144662
    • Publication date May 29, 2014
    • CHERVON (HK) LIMITED
    • Hongtao Zhou
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    MULTI-TOOL FOR FASTENERS
    • Publication number 20130186663
    • Publication date Jul 25, 2013
    • CHERVON (HK) LIMITED
    • Hongtao Zhou
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    SAW BLADE CLAMPING DEVICE AND THE OPERATION METHOD THEREOF
    • Publication number 20130092006
    • Publication date Apr 18, 2013
    • CHERVON (HK) LIMITED
    • Hongtao Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    POWER TOOL
    • Publication number 20120292864
    • Publication date Nov 22, 2012
    • CHERVON (HK) LIMITED
    • Hongtao Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    POWER TOOL
    • Publication number 20120139196
    • Publication date Jun 7, 2012
    • CHERVON (HK) LIMITED
    • Hongtao Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    BORER FOR AN OSCILLATING TOOL
    • Publication number 20120125171
    • Publication date May 24, 2012
    • CHERVON (HK) LIMITED
    • Liang Chen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    POWER TOOL HAVING A CLAMPING DEVICE FOR A WORKING ELEMENT
    • Publication number 20120086177
    • Publication date Apr 12, 2012
    • CHERVON (HK) LIMITED
    • Hongtao Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    HAND-HELD POWER TOOL WITH A QUICK-CLAMPING DEVICE FOR A WORKING ELE...
    • Publication number 20120074657
    • Publication date Mar 29, 2012
    • CHERVON (HK) LIMITED
    • Hongtao Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    POWER TOOL WITH AN AUTOMATIC NAIL-FEEDING MECHANISM
    • Publication number 20120061443
    • Publication date Mar 15, 2012
    • CHERVON (HK) LIMITED
    • Liang Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ELECTRIC HAMMER
    • Publication number 20120006879
    • Publication date Jan 12, 2012
    • CHERVON (HK) LIMITED
    • Hongtao Zhou
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    CLAMPING DEVICE FOR A CUTTING MEMBER
    • Publication number 20110287887
    • Publication date Nov 24, 2011
    • Hongtao Zhou
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    QUICK-CLAMPING MECHANISM FOR ELECTRIC HAMMER
    • Publication number 20110174859
    • Publication date Jul 21, 2011
    • CHERVON (HK) LIMITED
    • Hongtao Zhou
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ELECTRIC HAMMER
    • Publication number 20110155778
    • Publication date Jun 30, 2011
    • CHERVON LIMITED
    • Hongtao Zhou
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    AUTO HAMMER
    • Publication number 20110114696
    • Publication date May 19, 2011
    • Chevron Limited
    • Hongtao Zhou
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    AUTO HAMMER
    • Publication number 20110114349
    • Publication date May 19, 2011
    • CHERVON LIMITED
    • Hongtao Zhou
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    AUTO HAMMER
    • Publication number 20110108298
    • Publication date May 12, 2011
    • CHERVON LIMITED
    • Hongtao Zhou
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    SANDING MACHINE WITH CLAMPING MECHANISM
    • Publication number 20110028076
    • Publication date Feb 3, 2011
    • CHERVON LIMITED
    • Hongtao Zhou
    • B24 - GRINDING POLISHING
  • Information Patent Application

    Reciprocating saw
    • Publication number 20090241354
    • Publication date Oct 1, 2009
    • Hongtao Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SAW BLADE CLAMPING MECHANISM FOR A POWER TOOL
    • Publication number 20080168666
    • Publication date Jul 17, 2008
    • CHERVON LIMITED
    • Hongtao Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR