Ionization of the arc gap by means of an auxiliary arc

Patents Grantslast 30 patents

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    Method for starting a multi-gas plasma arc torch

    • Patent number 9,024,230
    • Issue date May 5, 2015
    • Victor Equipment Company
    • Daniel Wayne Barnett
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    System and method for improved TIG arc starting

    • Patent number 8,217,305
    • Issue date Jul 10, 2012
    • Illinois Tool Works Inc.
    • Richard Hutchison
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    Power supply apparatus with initial arcing sustaining circuit

    • Patent number 5,877,952
    • Issue date Mar 2, 1999
    • Sansha Electric Manufacturing Co., Limited
    • Haruo Moriguchi
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    Method of igniting a welding arc

    • Patent number 5,705,790
    • Issue date Jan 6, 1998
    • Alcatel Kabel AG & Co.
    • Wolfram Klebl
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    Method of igniting arcs by projection of ignition-plasma to the cat...

    • Patent number 4,767,907
    • Issue date Aug 30, 1988
    • Nippon Steel Corporation
    • Tadayuki Otani
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    Shielded arc welding using auxiliary voltage

    • Patent number 4,618,760
    • Issue date Oct 21, 1986
    • The Welding Institute
    • Michael G. Murch
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    High-frequency arc striking device and auxiliary electrode of an el...

    • Patent number 4,493,969
    • Issue date Jan 15, 1985
    • L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
    • Pierre Legrand
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    Device with high frequency contactless type arc generating mechanism

    • Patent number 4,418,265
    • Issue date Nov 29, 1983
    • Mitsubishi Denki Kabushiki Kaisha
    • Yoichiro Tabata
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    Power source for arc welder

    • Patent number 4,417,129
    • Issue date Nov 22, 1983
    • Creative Pathways, Incorporated
    • Russell D. Young
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    Process and installation for automatic ignition of a plasma cutting...

    • Patent number 4,280,042
    • Issue date Jul 21, 1981
    • L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
    • Jean-Yves Berger
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    Plasma torch starting circuit

    • Patent number 4,225,769
    • Issue date Sep 30, 1980
    • Thermal Dynamics Corporation
    • Raymond G. Wilkins
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    Arc welding system

    • Patent number 4,123,646
    • Issue date Oct 31, 1978
    • Continental Can Company, Inc.
    • Henry J. Keinanen
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    Method for striking main arc between the electrode of plasmatron an...

    • Patent number 3,997,756
    • Issue date Dec 14, 1976
    • David Grigorievich Bykhovsky
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    3832513

    • Patent number 3,832,513
    • Issue date Aug 27, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    3526741

    • Patent number 3,526,741
    • Issue date Sep 1, 1970
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    3519787

    • Patent number 3,519,787
    • Issue date Jul 7, 1970
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    3254197

    • Patent number 3,254,197
    • Issue date May 31, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    3136880

    • Patent number 3,136,880
    • Issue date Jun 9, 1964
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    3089019

    • Patent number 3,089,019
    • Issue date May 7, 1963
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    3086103

    • Patent number 3,086,103
    • Issue date Apr 16, 1963
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    2964681

    • Patent number 2,964,681
    • Issue date Dec 13, 1960
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    2868954

    • Patent number 2,868,954
    • Issue date Jan 13, 1959
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    2868956

    • Patent number 2,868,956
    • Issue date Jan 13, 1959
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    2837627

    • Patent number 2,837,627
    • Issue date Jun 3, 1958
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    2798937

    • Patent number 2,798,937
    • Issue date Jul 9, 1957
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    2764668

    • Patent number 2,764,668
    • Issue date Sep 25, 1956
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    2719899

    • Patent number 2,719,899
    • Issue date Oct 4, 1955
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    2669640

    • Patent number 2,669,640
    • Issue date Feb 16, 1954
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    2655586

    • Patent number 2,655,586
    • Issue date Oct 13, 1953
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    2653277

    • Patent number 2,653,277
    • Issue date Sep 22, 1953
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Patents Applicationslast 30 patents