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Shuming Wu

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  • Nanjing City, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotation speed control method for impact type fastening tools
    • Patent number 9,555,525
    • Issue date Jan 31, 2017
    • Chervon (HK) Limited
    • Shuming Wu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Sander having a damping element
    • Patent number 8,475,236
    • Issue date Jul 2, 2013
    • Chervon Limited
    • Jiyu Zhang
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Handheld power tool with a detachable handle
    • Patent number 7,513,047
    • Issue date Apr 7, 2009
    • Nanjing Chervon Industry Co. Ltd.
    • Shuming Wu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power tool with battery power supply
    • Patent number 7,243,734
    • Issue date Jul 17, 2007
    • Nanjing Chervon Industry Co., LTD
    • Shuming Wu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Laser level with adjustable laser projection line
    • Patent number 7,243,433
    • Issue date Jul 17, 2007
    • Chervon International Trading Co., Ltd.
    • Shuming Wu
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Jig saw
    • Patent number D532664
    • Issue date Nov 28, 2006
    • Nanjing Chervon Industry Co., Ltd.
    • Shuming Wu
    • D08 - Tools and hardware
  • Information Patent Grant

    Electric drill
    • Patent number D531874
    • Issue date Nov 14, 2006
    • Nanjing Chervon Industry Co., Ltd.
    • Shuming Wu
    • D08 - Tools and hardware
  • Information Patent Grant

    Jig saw with laser alignment system
    • Patent number 7,131,206
    • Issue date Nov 7, 2006
    • Chervon International Trading Co., Ltd.
    • Shuming Wu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Angle grinder
    • Patent number D528389
    • Issue date Sep 19, 2006
    • Nanjing Chervon Industry Co., Ltd.
    • Shuming Wu
    • D08 - Tools and hardware
  • Information Patent Grant

    Palm sander
    • Patent number D528386
    • Issue date Sep 19, 2006
    • Nanjing Chervon Industry Co., Ltd.
    • Shuming Wu
    • D08 - Tools and hardware
  • Information Patent Grant

    Screwdriver
    • Patent number D527236
    • Issue date Aug 29, 2006
    • Nanjing Chervon Industry Co., Ltd.
    • Shuming Wu
    • D08 - Tools and hardware
  • Information Patent Grant

    Sander
    • Patent number D526867
    • Issue date Aug 22, 2006
    • Nanjing Chervon Industry Co., Ltd.
    • Shuming Wu
    • D08 - Tools and hardware
  • Information Patent Grant

    Jig saw
    • Patent number D524621
    • Issue date Jul 11, 2006
    • Nanjing Chervon Industry Co., Ltd.
    • Shuming Wu
    • D08 - Tools and hardware
  • Information Patent Grant

    Portable tile cutter
    • Patent number D522830
    • Issue date Jun 13, 2006
    • Nanjing Chervon Industry Co., LTD
    • Shuming Wu
    • D08 - Tools and hardware
  • Information Patent Grant

    Laser level with adjustable laser projection line
    • Patent number 7,055,252
    • Issue date Jun 6, 2006
    • Chervon International Trading Co., Ltd.
    • Shuming Wu
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Drill
    • Patent number D520836
    • Issue date May 16, 2006
    • Nanjing Chervon Industry Co., Ltd.
    • Shuming Wu
    • D08 - Tools and hardware
  • Information Patent Grant

    Plug
    • Patent number D519456
    • Issue date Apr 25, 2006
    • Nanjing Chervon Industry Co., Ltd.
    • Shuming Wu
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Ultrasonic rangefinder
    • Patent number D519045
    • Issue date Apr 18, 2006
    • Nanjing Chervon Industry Co., Ltd.
    • Shuming Wu
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Cordless drill
    • Patent number D515378
    • Issue date Feb 21, 2006
    • Nanjing Chervon Industry Co., Ltd.
    • Shuming Wu
    • D08 - Tools and hardware
  • Information Patent Grant

    Tile cutter
    • Patent number D510096
    • Issue date Sep 27, 2005
    • Nanjing Chervon Industry Co., Ltd.
    • Shuming Wu
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Rotating laser level
    • Patent number D509157
    • Issue date Sep 6, 2005
    • Nanjing Chervon Industry Co., Ltd.
    • Shuming Wu
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Tile cutter
    • Patent number D508929
    • Issue date Aug 30, 2005
    • Nanjing Chervon Industry Co., Ltd.
    • Shuming Wu
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Tile cutter
    • Patent number D508250
    • Issue date Aug 9, 2005
    • Nanjing Chervon Industry Co., Ltd.
    • Shuming Wu
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Drill
    • Patent number D507952
    • Issue date Aug 2, 2005
    • Nanjing Chervon Industry Co., Ltd.
    • Shuming Wu
    • D08 - Tools and hardware
  • Information Patent Grant

    Auxiliary handle with a laser alignment device for drills
    • Patent number 6,898,860
    • Issue date May 31, 2005
    • Chervon International Trading Co. Ltd.
    • Shuming Wu
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Foldable support frame for supporting cutting machine
    • Patent number 6,722,618
    • Issue date Apr 20, 2004
    • Chervon International Trading Co., Ltd.
    • Shuming Wu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRIC CIRCULAR SAW
    • Publication number 20210354219
    • Publication date Nov 18, 2021
    • Nanjing Chervon Industry Co., Ltd.
    • Xiangqing Fu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ROTATION SPEED CONTROL METHOD FOR IMPACT TYPE FASTENING TOOLS
    • Publication number 20140352992
    • Publication date Dec 4, 2014
    • CHERVON (HK) LIMITED
    • Shuming Wu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    AUTO HAMMER
    • Publication number 20110100663
    • Publication date May 5, 2011
    • CHERVON LIMITED
    • Shuming Wu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Sander having a damping element
    • Publication number 20100068977
    • Publication date Mar 18, 2010
    • Jiyu Zhang
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Power tool having a temperature indicator
    • Publication number 20090236109
    • Publication date Sep 24, 2009
    • Shuming Wu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Power tool having an illuminating device
    • Publication number 20070170868
    • Publication date Jul 26, 2007
    • Shuming Wu
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Laser Level With Adjustable Laser Projection Line
    • Publication number 20060191147
    • Publication date Aug 31, 2006
    • Chervon International Trading Co. Ltd.
    • Shuming Wu
    • G01 - MEASURING TESTING
  • Information Patent Application

    Device for adjusting foot plate of a jigsaw
    • Publication number 20060179668
    • Publication date Aug 17, 2006
    • Shuming Wu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Mixer paddle
    • Publication number 20060158960
    • Publication date Jul 20, 2006
    • Nanjing Chervon Industry Co., Ltd.
    • Shuming Wu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Power tool with battery power supply
    • Publication number 20060151189
    • Publication date Jul 13, 2006
    • Shuming Wu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Power tool with a tool storage
    • Publication number 20060143928
    • Publication date Jul 6, 2006
    • Shuming Wu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Line-marking device with rotatable laser
    • Publication number 20060070251
    • Publication date Apr 6, 2006
    • Shuming Wu
    • G01 - MEASURING TESTING
  • Information Patent Application

    Electrical plug
    • Publication number 20060025009
    • Publication date Feb 2, 2006
    • Shuming Wu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Handheld power tool with a detachable handle
    • Publication number 20050262707
    • Publication date Dec 1, 2005
    • Shuming Wu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    LASER LEVEL WITH ADJUSTABLE LASER PROJECTION LINE
    • Publication number 20040205972
    • Publication date Oct 21, 2004
    • Chervon International Trading Co. Ltd.
    • Shuming Wu
    • G01 - MEASURING TESTING
  • Information Patent Application

    Laser level with adjustable laser projection line
    • Publication number 20040123472
    • Publication date Jul 1, 2004
    • Shuming Wu
    • G01 - MEASURING TESTING
  • Information Patent Application

    Auxiliary handle with a laser alignment device for drills
    • Publication number 20040093749
    • Publication date May 20, 2004
    • Shuming Wu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Circular saw with laser alignment
    • Publication number 20040049927
    • Publication date Mar 18, 2004
    • Chervon International Trading Co., Ltd.
    • Shuming Wu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Jig saw with laser alignment system
    • Publication number 20030196337
    • Publication date Oct 23, 2003
    • Shuming Wu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR