Shiyu Chen

Person

  • Claremont, NH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Torch handle gas control

    • Patent number 7,582,844
    • Issue date Sep 1, 2009
    • Thermal Dynamics Corporation
    • Kevin D. Horner-Richardson
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Modular plasma arc torch

    • Patent number 7,429,715
    • Issue date Sep 30, 2008
    • Thermal Dynamics Corporation
    • Darrin H. MacKenzie
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Dual mode plasma arc torch

    • Patent number 7,202,440
    • Issue date Apr 10, 2007
    • Thermal Dynamics Corporation
    • Roger W. Hewett
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tip gas distributor

    • Patent number 7,145,099
    • Issue date Dec 5, 2006
    • Thermal Dynamics Corporation
    • Kevin D. Homer-Richardson
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Dual mode plasma arc torch

    • Patent number 6,936,786
    • Issue date Aug 30, 2005
    • Thermal Dynamics Corporation
    • Roger W. Hewett
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Contact start plasma arc torch and method of initiating a pilot arc

    • Patent number 6,903,301
    • Issue date Jun 7, 2005
    • Thermal Dynamics Corporation
    • Joseph P. Jones
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Start cartridge

    • Patent number D496842
    • Issue date Oct 5, 2004
    • Thermal Dynamics Corporation
    • Shiyu Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Tip gas distributor

    • Patent number 6,774,336
    • Issue date Aug 10, 2004
    • Thermal Dynamics Corporation
    • Kevin D. Horner-Richardson
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Dual mode plasma arc torch

    • Patent number 6,717,096
    • Issue date Apr 6, 2004
    • Thermal Dynamics Corporation
    • Roger W. Hewett
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Torch handle gas control

    • Patent number 6,689,983
    • Issue date Feb 10, 2004
    • Thermal Dynamics Corporation
    • Kevin D. Horner-Richardson
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    DUAL MODE PLASMA ARC TORCH

    • Publication number 20100294744
    • Publication date Nov 25, 2010
    • Thermal Dynamics Corporation
    • Roger W. Hewett
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Dual mode plasma arc torch

    • Publication number 20070145022
    • Publication date Jun 28, 2007
    • Thermal Dynamics Corporation
    • Roger W. Hewett
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Dual mode plasma arc torch

    • Publication number 20050258150
    • Publication date Nov 24, 2005
    • Roger W. Hewett
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Tip gas distributor

    • Publication number 20040173582
    • Publication date Sep 9, 2004
    • Kevin D. Homer-Richardson
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Torch handle gas control

    • Publication number 20040149703
    • Publication date Aug 5, 2004
    • Kevin D. Horner-Richardson
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Dual mode plasma arc torch

    • Publication number 20040149704
    • Publication date Aug 5, 2004
    • Roger W. Hewett
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    TORCH HANDLE GAS CONTROL

    • Publication number 20030160030
    • Publication date Aug 28, 2003
    • Kevin D. Horner-Richardson
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Modular plasma arc torch

    • Publication number 20030160032
    • Publication date Aug 28, 2003
    • Darrin H. Mackenzie
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Tip gas distributor

    • Publication number 20020185475
    • Publication date Dec 12, 2002
    • Kevin D. Horner-Richardson
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Dual mode plasma arc torch

    • Publication number 20020117482
    • Publication date Aug 29, 2002
    • Roger W. Hewett
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Contact start plasma arc torch and method of initiating a pilot arc

    • Publication number 20020117484
    • Publication date Aug 29, 2002
    • Joseph P. Jones
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR