Wrinkle-bending

Patents Grantslast 30 patents

  • Information Patent Grant

    Impact absorbing member and method for manufacturing impact absorbi...

    • Patent number 11,306,796
    • Issue date Apr 19, 2022
    • Toyota Jidosha Kabushiki Kaisha
    • Koichi Hiramatsu
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and device for determining the spatial geometry of a curved...

    • Patent number 7,489,412
    • Issue date Feb 10, 2009
    • Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung E.V.
    • Ralf Wamemünde
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and device for bending a cylindrical tube or the like

    • Patent number 7,222,512
    • Issue date May 29, 2007
    • Brigitte Dossmann
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Curved wall and ceiling frame member and method and apparatus for p...

    • Patent number 6,138,359
    • Issue date Oct 31, 2000
    • Charles W. Mears
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for bending corrugated pipe

    • Patent number 4,464,923
    • Issue date Aug 14, 1984
    • Samuel D. Boggs
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus for bending corrugated pipe

    • Patent number 4,205,544
    • Issue date Jun 3, 1980
    • H. C. Price Co.
    • Robert D. Foster
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device for bending thin-walled pipes

    • Patent number 4,007,622
    • Issue date Feb 15, 1977
    • Abram Isaevich Galperin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3861184

    • Patent number 3,861,184
    • Issue date Jan 21, 1975
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3831421

    • Patent number 3,831,421
    • Issue date Aug 27, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3438238

    • Patent number 3,438,238
    • Issue date Apr 15, 1969
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3247581

    • Patent number 3,247,581
    • Issue date Apr 26, 1966
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2371393

    • Patent number 2,371,393
    • Issue date Mar 13, 1945
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2219993

    • Patent number 2,219,993
    • Issue date Oct 29, 1940
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1975045

    • Patent number 1,975,045
    • Issue date Sep 25, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1958447

    • Patent number 1,958,447
    • Issue date May 15, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1888891

    • Patent number 1,888,891
    • Issue date Nov 22, 1932
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1875186

    • Patent number 1,875,186
    • Issue date Aug 30, 1932
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1679893

    • Patent number 1,679,893
    • Issue date Aug 7, 1928
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1617277

    • Patent number 1,617,277
    • Issue date Feb 8, 1927
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1604489

    • Patent number 1,604,489
    • Issue date Oct 26, 1926
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1587158

    • Patent number 1,587,158
    • Issue date Jun 1, 1926
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1576337

    • Patent number 1,576,337
    • Issue date Mar 9, 1926
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1573448

    • Patent number 1,573,448
    • Issue date Feb 16, 1926
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1572559

    • Patent number 1,572,559
    • Issue date Feb 9, 1926
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1564894

    • Patent number 1,564,894
    • Issue date Dec 8, 1925
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1553817

    • Patent number 1,553,817
    • Issue date Sep 15, 1925
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1533660

    • Patent number 1,533,660
    • Issue date Apr 14, 1925
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1517678

    • Patent number 1,517,678
    • Issue date Dec 2, 1924
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1479204

    • Patent number 1,479,204
    • Issue date Jan 1, 1924
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1473756

    • Patent number 1,473,756
    • Issue date Nov 13, 1923
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents