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LIFENG LARRY LUO

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  • SOLON, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Welding system and method of welding
    • Patent number 11,673,202
    • Issue date Jun 13, 2023
    • Lincoln Global, Inc.
    • Todd E. Kooken
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    System and method for real-time computation and reporting of weldin...
    • Patent number 10,857,613
    • Issue date Dec 8, 2020
    • Lincoln Global, Inc.
    • Todd Kooken
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Welding system and method of welding
    • Patent number 10,744,587
    • Issue date Aug 18, 2020
    • Lincoln Global, Inc.
    • Todd E. Kooken
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    High reliability modular welding power supply system
    • Patent number 10,668,551
    • Issue date Jun 2, 2020
    • Lincoln Global, Inc.
    • Todd E. Kooken
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Modular power source for electric ARC welding and output chopper
    • Patent number 9,956,639
    • Issue date May 1, 2018
    • Lincoln Global, Inc.
    • Todd E. Kooken
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Welding system and method of welding
    • Patent number 9,855,620
    • Issue date Jan 2, 2018
    • Lincoln Global, Inc.
    • Todd E. Kooken
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    System and method for real-time computation and reporting of weldin...
    • Patent number 9,839,967
    • Issue date Dec 12, 2017
    • Lincoln Global, Inc.
    • Todd Kooken
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power source for electric arc welding
    • Patent number 9,751,150
    • Issue date Sep 5, 2017
    • Lincoln Global, Inc.
    • Joseph A. Daniel
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Modified phase shifted gate drive
    • Patent number 9,333,584
    • Issue date May 10, 2016
    • Lincoln Global, Inc.
    • Robert L. Dodge
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Dynamic power factor correction and dynamic control for converter i...
    • Patent number 8,829,869
    • Issue date Sep 9, 2014
    • Lincoln Global, Inc.
    • Todd Kooken
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Inverter output rectifier circuit
    • Patent number 8,742,293
    • Issue date Jun 3, 2014
    • Lincoln Global Inc.
    • Lifeng Larry Luo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Inverter output rectifier circuit
    • Patent number 8,742,295
    • Issue date Jun 3, 2014
    • Lincoln Global Inc.
    • Lifeng Larry Luo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Auxiliary power supply for a welding machine
    • Patent number 8,704,130
    • Issue date Apr 22, 2014
    • Lincoln Global, Inc.
    • Lifeng Larry Luo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Three stage power source for electric ARC welding
    • Patent number 8,581,147
    • Issue date Nov 12, 2013
    • Lincoln Global, Inc.
    • Todd E. Kooken
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Auxiliary power supply for a welding machine
    • Patent number 8,426,772
    • Issue date Apr 23, 2013
    • Lincoln Global, Inc.
    • Lifeng Larry Luo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power source for electric arc welding
    • Patent number 8,269,141
    • Issue date Sep 18, 2012
    • Lincoln Global, Inc.
    • Joseph A. Daniel
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power source for plasma device
    • Patent number 7,796,005
    • Issue date Sep 14, 2010
    • Lincoln Global, Inc.
    • George D. Blankenship
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power source for plasma device
    • Patent number 7,573,000
    • Issue date Aug 11, 2009
    • Lincoln Global, Inc.
    • George D. Blankenship
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power source with saturable reactor
    • Patent number 6,995,337
    • Issue date Feb 7, 2006
    • Lincoln Global, Inc.
    • George G. Blankenship
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Open shipyard wire feeder
    • Patent number 6,705,563
    • Issue date Mar 16, 2004
    • Lincoln Global, Inc.
    • Lifeng Luo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Current feedback device for electric arc welder
    • Patent number 6,268,587
    • Issue date Jul 31, 2001
    • Lincoln Global, Inc.
    • Todd Eric Kooken
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Switching type power supply for arc welding
    • Patent number 6,055,161
    • Issue date Apr 25, 2000
    • Lincoln Global, Inc.
    • Larry L. Church
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Plasma arc torch
    • Patent number 5,965,040
    • Issue date Oct 12, 1999
    • Lincoln Global, Inc.
    • Lifeng Luo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Plasma arc torch
    • Patent number 5,893,985
    • Issue date Apr 13, 1999
    • The Lincoln Electric Company
    • Lifeng Luo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drag cup for plasma arc torch
    • Patent number 5,856,647
    • Issue date Jan 5, 1999
    • The Lincoln Electric Company
    • Lifeng Luo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Gas cooled plasma torch
    • Patent number 5,726,415
    • Issue date Mar 10, 1998
    • The Lincoln Electric Company
    • Lifeng Luo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    WELDING SYSTEM AND METHOD OF WELDING
    • Publication number 20200338659
    • Publication date Oct 29, 2020
    • LINCOLN GLOBAL, INC.
    • Todd E. Kooken
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    HIGH RELIABILITY MODULAR WELDING POWER SUPPLY SYSTEM
    • Publication number 20190193183
    • Publication date Jun 27, 2019
    • LINCOLN GLOBAL, INC.
    • Todd E. Kooken
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    WELDING SYSTEM AND METHOD OF WELDING
    • Publication number 20180117699
    • Publication date May 3, 2018
    • LINCOLN GLOBAL, INC.
    • Todd E. Kooken
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SYSTEM AND METHOD FOR REAL-TIME COMPUTATION AND REPORTING OF WELDIN...
    • Publication number 20180071850
    • Publication date Mar 15, 2018
    • Lincoln Global, Inc.
    • Todd Kooken
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Welding System And Method Of Welding
    • Publication number 20150014290
    • Publication date Jan 15, 2015
    • LINCOLN GLOBAL, INC.
    • Todd E. Kooken
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    AUXILIARY POWER SUPPLY FOR A WELDING MACHINE
    • Publication number 20130220986
    • Publication date Aug 29, 2013
    • LINCOLN GLOBAL, INC.
    • Lifeng Larry Luo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    INVERTER OUTPUT RECTIFIER CIRCUIT
    • Publication number 20130194829
    • Publication date Aug 1, 2013
    • LINCOLN GLOBAL, INC.
    • LIFENG LARRY LUO
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    INVERTER OUTPUT RECTIFIER CIRCUIT
    • Publication number 20130194828
    • Publication date Aug 1, 2013
    • LINCOLN GLOBAL, INC.
    • LIFENG LARRY LUO
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SYSTEM AND METHOD FOR REAL-TIME ADJUSTMENT AND OPERATION OF COOLING...
    • Publication number 20130112367
    • Publication date May 9, 2013
    • LINCOLN GLOBAL, INC.
    • Todd Kooken
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DYNAMIC POWER FACTOR CORRECTION AND DYNAMIC CONTROL FOR CONVERTER I...
    • Publication number 20130114306
    • Publication date May 9, 2013
    • LINCOLN GLOBAL, INC.
    • Todd Kooken
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SYSTEM AND METHOD FOR REAL-TIME COMPUTATION AND REPORTING OF WELDIN...
    • Publication number 20130116849
    • Publication date May 9, 2013
    • LINCOLN GLOBAL, INC.
    • Todd Kooken
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    POWER SOURCE FOR ELECTRIC ARC WELDING
    • Publication number 20120305535
    • Publication date Dec 6, 2012
    • LINCOLN GLOBAL, INC.
    • Joseph A. Daniel
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    AUXILIARY POWER SUPPLY FOR A WELDING MACHINE
    • Publication number 20110049115
    • Publication date Mar 3, 2011
    • LINCOLN GLOBAL, INC.
    • LIFENG LARRY LUO
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    INVERTER OUTPUT RECTIFIER CIRCUIT
    • Publication number 20110000900
    • Publication date Jan 6, 2011
    • LINCOLN GLOBAL, INC.
    • Lifeng Larry Luo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    MODIFIED PHASE SHIFTED GATE DRIVE
    • Publication number 20100237053
    • Publication date Sep 23, 2010
    • LINCOLN GLOBAL, INC.
    • Robert L. Dodge
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    POWER SOURCE FOR PLASMA DEVICE
    • Publication number 20080150664
    • Publication date Jun 26, 2008
    • LINCOLN GLOBAL, INC.
    • George D. Blankenship
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Three stage power source for electric ARC welding
    • Publication number 20060213890
    • Publication date Sep 28, 2006
    • Lincoln Global, Inc.
    • Todd E. Kooken
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Modular power source for electric ARC welding and output chopper
    • Publication number 20060175313
    • Publication date Aug 10, 2006
    • Lincoln Global, Inc.
    • Todd E. Kooken
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Power source for electric arc welding
    • Publication number 20060011595
    • Publication date Jan 19, 2006
    • Lincoln Global, Inc.
    • Joseph A. Daniel
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Power source for plasma device
    • Publication number 20050145611
    • Publication date Jul 7, 2005
    • Lincoln Global, Inc.
    • George D. Blankenship
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Power source with saturable reactor
    • Publication number 20050006364
    • Publication date Jan 13, 2005
    • Linclon Global, Inc.
    • George G. Blankenship
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Open shipyard wire feeder
    • Publication number 20030098383
    • Publication date May 29, 2003
    • Lincoln Global, Inc.
    • Lifeng Luo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR