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  • CPC
  • B23K13/046
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B23Machine tools B23KSOLDERING OR UNSOLDERING WELDING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY B23K13/00Welding by high-frequency current heating

Current Industry

B23K13/046for tubes
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for manufacturing electroseamed metal tube
    • Patent number 11,504,797
    • Issue date Nov 22, 2022
    • NIPPON STEEL NISSHIN CO., LTD.
    • Kouji Omosako
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for manufacturing electroseamed metal tube, and electroseame...
    • Patent number 10,906,125
    • Issue date Feb 2, 2021
    • NIPPON STEEL NISSHIN CO., LTD.
    • Kouji Omosako
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Welded steel pipe joined with high-energy-density beam and method f...
    • Patent number 9,677,692
    • Issue date Jun 13, 2017
    • JFE Steel Corporation
    • Koji Yano
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Operation management device, operation management method, and opera...
    • Patent number 9,199,291
    • Issue date Dec 1, 2015
    • Nippon Steel & Sumitomo Metal Corporation
    • Noboru Hasegawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for producing a steel pipe using a high energy density beam
    • Patent number 8,993,920
    • Issue date Mar 31, 2015
    • JFE Steel Corporation
    • Koji Yano
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for interconnecting tubulars by forge welding
    • Patent number 7,199,325
    • Issue date Apr 3, 2007
    • Shell Oil Company
    • Robert Andrew Alford
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for producing a steel pipe using a high density energy beam
    • Patent number 5,900,079
    • Issue date May 4, 1999
    • NKK Corporation
    • Moriaki Ono
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for heating closely spaced portions of two pipes
    • Patent number 5,721,413
    • Issue date Feb 24, 1998
    • Per H. Moe
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Welding management apparatus
    • Patent number 5,360,156
    • Issue date Nov 1, 1994
    • Kabushiki Kaisha Meidensha
    • Yuji Ishizaka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Welding management apparatus
    • Patent number 5,265,787
    • Issue date Nov 30, 1993
    • Kabushiki Kaisha Meidensha
    • Yuji Ishizaka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Mobile pipe mill
    • Patent number 4,651,914
    • Issue date Mar 24, 1987
    • Pipemakers, Inc.
    • Douglas L. Sprung
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    High-frequency electric resistance welding method using irradiation...
    • Patent number 4,649,256
    • Issue date Mar 10, 1987
    • Nippon Steel Corporation
    • Katsuhiro Minamida
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Welded tubular articles and method for making the same
    • Patent number 4,223,196
    • Issue date Sep 16, 1980
    • Continental Can Company Inc.
    • Paul M. Erlandson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    High frequency in-line, electrical welding apparatus for small diam...
    • Patent number 4,081,648
    • Issue date Mar 28, 1978
    • Thermatool Corporation
    • Wallace C. Rudd
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Welding process
    • Patent number 3,944,775
    • Issue date Mar 16, 1976
    • Tenneco Inc.
    • Donald P. Worden
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and apparatus for manufacturing welded metal tubes of finite...
    • Patent number 3,937,914
    • Issue date Feb 10, 1976
    • Thermatool Corporation
    • George T. Larson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3899651
    • Patent number 3,899,651
    • Issue date Aug 12, 1975
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3784081
    • Patent number 3,784,081
    • Issue date Jan 8, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3763342
    • Patent number 3,763,342
    • Issue date Oct 2, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3627964
    • Patent number 3,627,964
    • Issue date Dec 14, 1971
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3585336
    • Patent number 3,585,336
    • Issue date Jun 15, 1971
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3485995
    • Patent number 3,485,995
    • Issue date Dec 23, 1969
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3452424
    • Patent number 3,452,424
    • Issue date Jul 1, 1969
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3431383
    • Patent number 3,431,383
    • Issue date Mar 4, 1969
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3354287
    • Patent number 3,354,287
    • Issue date Nov 21, 1967
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3327383
    • Patent number 3,327,383
    • Issue date Jun 27, 1967
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3263053
    • Patent number 3,263,053
    • Issue date Jul 26, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3240414
    • Patent number 3,240,414
    • Issue date Mar 15, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3234352
    • Patent number 3,234,352
    • Issue date Feb 8, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3209117
    • Patent number 3,209,117
    • Issue date Sep 28, 1965
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents