the backing means being movable during the welding operation

Patents Grantslast 30 patents

  • Information Patent Grant

    Solid-bowl centrifuge screw having a screw hub

    • Patent number 11,420,216
    • Issue date Aug 23, 2022
    • Flottweg SE
    • Matthias Scheidhammer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    Stainless steel weldment and pad combined welding method

    • Patent number 9,808,876
    • Issue date Nov 7, 2017
    • CHINA NATIONAL CHEMICAL ENGINEERING THIRD CONSTRUCTION CO., LTD
    • Jiewen Xia
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    Method of making a covering for a containment pool, tank or enclosure

    • Patent number 8,785,805
    • Issue date Jul 22, 2014
    • Societat d'Obres I Treballs Subterranis del Pirineu, S.L. (Sots, S.L.)
    • Jean Simon
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    Apparatus and method for trackless movement and full penetration ar...

    • Patent number 6,713,710
    • Issue date Mar 30, 2004
    • Shaobin Zhang
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    Modified rotating reusable preform

    • Patent number 4,894,505
    • Issue date Jan 16, 1990
    • The Babcock & Wilcox Company
    • Gregory D. Malone
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    Method and apparatus for building a workpiece by deposit welding

    • Patent number 4,842,186
    • Issue date Jun 27, 1989
    • The Babock & Wilcox Company
    • Thomas E. Doyle
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    Method and apparatus for building a workpiece by deposit welding

    • Patent number 4,775,092
    • Issue date Oct 4, 1988
    • The Babcock & Wilcox Company
    • David P. Edmonds
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    Flux dam for submerged arc welding

    • Patent number 4,348,574
    • Issue date Sep 7, 1982
    • Combustion Engineering, Inc.
    • John J. Barger
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    Method of controlling synchronized movement of backing shoe in auto...

    • Patent number 4,273,987
    • Issue date Jun 16, 1981
    • Nippon Kokan Kabushiki Kaisha
    • Hirokazu Nomura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    Automatic arc welding process using a consumable nozzle

    • Patent number 4,145,598
    • Issue date Mar 20, 1979
    • Kobe Steel, Limited
    • Katsuro Iio
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    Apparatus and method for use in one-sided welding

    • Patent number 4,103,142
    • Issue date Jul 25, 1978
    • Frederick D. Cartwright
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Welding device and method

    • Patent number 4,096,373
    • Issue date Jun 20, 1978
    • Linde Aktiengesellschaft
    • Heinz Roith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Self-running one-side welding facilities

    • Patent number 4,061,262
    • Issue date Dec 6, 1977
    • Nippon Kokan Kabushiki Kaisha
    • Hirokazu Nomura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    Automatic arc welding process using a consumable nozzle

    • Patent number 4,045,648
    • Issue date Aug 30, 1977
    • Kobe Steel, Limited
    • Katsuro Iio
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    3723696

    • Patent number 3,723,696
    • Issue date Mar 27, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    3643853

    • Patent number 3,643,853
    • Issue date Feb 22, 1972
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    3227349

    • Patent number 3,227,349
    • Issue date Jan 4, 1966
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    3098147

    • Patent number 3,098,147
    • Issue date Jul 16, 1963
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    2887972

    • Patent number 2,887,972
    • Issue date May 26, 1959
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    2786934

    • Patent number 2,786,934
    • Issue date Mar 26, 1957
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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    2294439

    • Patent number 2,294,439
    • Issue date Sep 1, 1942
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    2153785

    • Patent number 2,153,785
    • Issue date Apr 11, 1939
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    1877767

    • Patent number 1,877,767
    • Issue date Sep 20, 1932
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    1871326

    • Patent number 1,871,326
    • Issue date Aug 9, 1932
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    1857802

    • Patent number 1,857,802
    • Issue date May 10, 1932
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    1852781

    • Patent number 1,852,781
    • Issue date Apr 5, 1932
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    1844263

    • Patent number 1,844,263
    • Issue date Feb 9, 1932
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    1806949

    • Patent number 1,806,949
    • Issue date May 26, 1931
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    1806958

    • Patent number 1,806,958
    • Issue date May 26, 1931
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    1806954

    • Patent number 1,806,954
    • Issue date May 26, 1931
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents