TREA

of helicoïdal seams

Follow

Industry

  • CPC
  • B23K11/084
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B23Machine tools B23KSOLDERING OR UNSOLDERING WELDING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY B23K11/00Resistance welding Severing by resistance heating

Current Industry

B23K11/084of helicoïdal seams
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for manufacturing spiral-welded steel pipe
    • Patent number 4,645,893
    • Issue date Feb 24, 1987
    • Nippon Steel Corporation
    • Yasumi Shimazaki
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Helical seamed structural vessel and method of forming same
    • Patent number 4,509,447
    • Issue date Apr 9, 1985
    • Universal Spiralweld Enterprises, Inc.
    • Richard H. Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Helical seam structural vessel, method and apparatus of forming same
    • Patent number 4,485,756
    • Issue date Dec 4, 1984
    • Universal Spiralweld Enterprises, Inc.
    • Richard H. Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Helical seam structural vessel, method and apparatus of forming same
    • Patent number 4,429,654
    • Issue date Feb 7, 1984
    • Richard H. Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3831243
    • Patent number 3,831,243
    • Issue date Aug 27, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3789181
    • Patent number 3,789,181
    • Issue date Jan 29, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3775835
    • Patent number 3,775,835
    • Issue date Dec 4, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3776448
    • Patent number 3,776,448
    • Issue date Dec 4, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3764774
    • Patent number 3,764,774
    • Issue date Oct 9, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3722075
    • Patent number 3,722,075
    • Issue date Mar 27, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3721793
    • Patent number 3,721,793
    • Issue date Mar 20, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3715557
    • Patent number 3,715,557
    • Issue date Feb 6, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3697718
    • Patent number 3,697,718
    • Issue date Oct 10, 1972
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3601570
    • Patent number 3,601,570
    • Issue date Aug 24, 1971
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3550235
    • Patent number 3,550,235
    • Issue date Dec 29, 1970
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3548141
    • Patent number 3,548,141
    • Issue date Dec 15, 1970
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3524035
    • Patent number 3,524,035
    • Issue date Aug 11, 1970
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3470344
    • Patent number 3,470,344
    • Issue date Sep 30, 1969
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3469609
    • Patent number 3,469,609
    • Issue date Sep 30, 1969
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3448235
    • Patent number 3,448,235
    • Issue date Jun 3, 1969
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3435183
    • Patent number 3,435,183
    • Issue date Mar 25, 1969
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3427427
    • Patent number 3,427,427
    • Issue date Feb 11, 1969
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3391265
    • Patent number 3,391,265
    • Issue date Jul 2, 1968
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3383488
    • Patent number 3,383,488
    • Issue date May 14, 1968
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3377459
    • Patent number 3,377,459
    • Issue date Apr 9, 1968
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3358112
    • Patent number 3,358,112
    • Issue date Dec 12, 1967
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3300616
    • Patent number 3,300,616
    • Issue date Jan 24, 1967
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3267570
    • Patent number 3,267,570
    • Issue date Aug 23, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3265277
    • Patent number 3,265,277
    • Issue date Aug 9, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3242300
    • Patent number 3,242,300
    • Issue date Mar 22, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents