Welding circumferential seams

Patents Grantslast 30 patents

  • Information Patent Grant

    Radioactive material storage canister

    • Patent number 9,779,843
    • Issue date Oct 3, 2017
    • Holtec International, Inc.
    • Krishna P. Singh
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of joining coiled sucker rod in the field

    • Patent number 7,234,627
    • Issue date Jun 26, 2007
    • Karel Bostik
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Device for gas pressure welding

    • Patent number 5,979,741
    • Issue date Nov 9, 1999
    • Hirohito Iguchi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Magnetic wheel guided carriage with positioning arm

    • Patent number 5,853,655
    • Issue date Dec 29, 1998
    • Ronald Glenn Baker
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Gas pressure welding machine

    • Patent number 4,576,324
    • Issue date Mar 18, 1986
    • Japanese National Railways
    • Tadashi Takimoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and apparatus for equilizing temperature of pipe sections du...

    • Patent number 4,491,716
    • Issue date Jan 1, 1985
    • Stringer; Carl
    • Jean LaForce
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for fabricating tapered tubing

    • Patent number 4,082,211
    • Issue date Apr 4, 1978
    • Lloyd Elliott Embury
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Means for fabricating tapered tubing

    • Patent number 3,997,097
    • Issue date Dec 14, 1976
    • Lloyd Elliott Embury
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3880340

    • Patent number 3,880,340
    • Issue date Apr 29, 1975
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3844025

    • Patent number 3,844,025
    • Issue date Oct 29, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3824369

    • Patent number 3,824,369
    • Issue date Jul 16, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3779446

    • Patent number 3,779,446
    • Issue date Dec 18, 1973
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3771210

    • Patent number 3,771,210
    • Issue date Nov 13, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3566070

    • Patent number 3,566,070
    • Issue date Feb 23, 1971
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2726615

    • Patent number 2,726,615
    • Issue date Dec 13, 1955
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2717569

    • Patent number 2,717,569
    • Issue date Sep 13, 1955
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2680182

    • Patent number 2,680,182
    • Issue date Jun 1, 1954
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2667137

    • Patent number 2,667,137
    • Issue date Jan 26, 1954
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2440823

    • Patent number 2,440,823
    • Issue date May 4, 1948
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2358144

    • Patent number 2,358,144
    • Issue date Sep 12, 1944
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2314437

    • Patent number 2,314,437
    • Issue date Mar 23, 1943
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2301763

    • Patent number 2,301,763
    • Issue date Nov 10, 1942
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2214899

    • Patent number 2,214,899
    • Issue date Sep 17, 1940
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2182796

    • Patent number 2,182,796
    • Issue date Dec 12, 1939
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2160082

    • Patent number 2,160,082
    • Issue date May 30, 1939
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2102259

    • Patent number 2,102,259
    • Issue date Dec 14, 1937
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2068166

    • Patent number 2,068,166
    • Issue date Jan 19, 1937
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2061287

    • Patent number 2,061,287
    • Issue date Nov 17, 1936
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2002877

    • Patent number 2,002,877
    • Issue date May 28, 1935
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1987924

    • Patent number 1,987,924
    • Issue date Jan 15, 1935
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents