Seam welding

Patents Grantslast 30 patents

  • Information Patent Grant

    Positioning structure of frame welding assembly for metal product

    • Patent number 10,603,749
    • Issue date Mar 31, 2020
    • WIRE MASTER INDUSTRY CO., LTD.
    • Hsi-Ming Cheng
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and apparatus for heating opposing surfaces of two elements...

    • Patent number 4,736,084
    • Issue date Apr 5, 1988
    • Per H. Moe
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and apparatus for shaping beads of welded steel section

    • Patent number 4,476,370
    • Issue date Oct 9, 1984
    • Sumitomo Metal Industries, Ltd.
    • Moriyuki Kakihara
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of manufacturing heat exchange panels

    • Patent number 4,136,272
    • Issue date Jan 23, 1979
    • Thermatool Corporation
    • Wallace C. Rudd
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Fin to tube welding by high frequency current source

    • Patent number 3,999,029
    • Issue date Dec 21, 1976
    • Combustion Engineering, Inc.
    • Malcom Walter Orr
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3860778

    • Patent number 3,860,778
    • Issue date Jan 14, 1975
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3787656

    • Patent number 3,787,656
    • Issue date Jan 22, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3783498

    • Patent number 3,783,498
    • Issue date Jan 8, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3735547

    • Patent number 3,735,547
    • Issue date May 29, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3619542

    • Patent number 3,619,542
    • Issue date Nov 9, 1971
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3497662

    • Patent number 3,497,662
    • Issue date Feb 24, 1970
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3420976

    • Patent number 3,420,976
    • Issue date Jan 7, 1969
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3410982

    • Patent number 3,410,982
    • Issue date Nov 12, 1968
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3391267

    • Patent number 3,391,267
    • Issue date Jul 2, 1968
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3385948

    • Patent number 3,385,948
    • Issue date May 28, 1968
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3375344

    • Patent number 3,375,344
    • Issue date Mar 26, 1968
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3293403

    • Patent number 3,293,403
    • Issue date Dec 20, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3144543

    • Patent number 3,144,543
    • Issue date Aug 11, 1964
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2887560

    • Patent number 2,887,560
    • Issue date May 19, 1959
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2857503

    • Patent number 2,857,503
    • Issue date Oct 21, 1958
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2821619

    • Patent number 2,821,619
    • Issue date Jan 28, 1958
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2281805

    • Patent number 2,281,805
    • Issue date May 5, 1942
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1308781

    • Patent number 1,308,781
    • Issue date Jul 8, 1919
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1278234

    • Patent number 1,278,234
    • Issue date Sep 10, 1918
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1094910

    • Patent number 1,094,910
    • Issue date Apr 28, 1914
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1040418

    • Patent number 1,040,418
    • Issue date Oct 8, 1912
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1038604

    • Patent number 1,038,604
    • Issue date Sep 17, 1912
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1022712

    • Patent number 1,022,712
    • Issue date Apr 9, 1912
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    984719

    • Patent number 984,719
    • Issue date Feb 21, 1911
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    497808

    • Patent number 497,808
    • Issue date May 23, 1893
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR