TREA

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Industry

  • CPC
  • B23F13/08
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B23Machine tools B23FMAKING GEARS OR TOOTHED RACKS B23F13/00Making worms by methods essentially requiring the use of machines of the gear-cutting type

Current Industry

B23F13/08by grinding
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Hourglass worm gear
    • Patent number 5,325,634
    • Issue date Jul 5, 1994
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Tohru Kobayashi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hourglass worm gear
    • Patent number 5,235,786
    • Issue date Aug 17, 1993
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Tohru Kobayashi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Globoid worm gear speed reduction apparatus
    • Patent number 5,018,403
    • Issue date May 28, 1991
    • Nippon Gear Co., Ltd.
    • Shiro Umezono
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of modified gear cutting of a globoid worm gear
    • Patent number 4,998,385
    • Issue date Mar 12, 1991
    • Nippon Gear Co., Ltd.
    • Shiro Umezono
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3875635
    • Patent number 3,875,635
    • Issue date Apr 8, 1975
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3745712
    • Patent number 3,745,712
    • Issue date Jul 17, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3641708
    • Patent number 3,641,708
    • Issue date Feb 15, 1972
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3608394
    • Patent number 3,608,394
    • Issue date Sep 28, 1971
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3105332
    • Patent number 3,105,332
    • Issue date Oct 1, 1963
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3077705
    • Patent number 3,077,705
    • Issue date Feb 19, 1963
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2337776
    • Patent number 2,337,776
    • Issue date Dec 28, 1943
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2209562
    • Patent number 2,209,562
    • Issue date Jul 30, 1940
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2144459
    • Patent number 2,144,459
    • Issue date Jan 17, 1939
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2126990
    • Patent number 2,126,990
    • Issue date Aug 16, 1938
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1608367
    • Patent number 1,608,367
    • Issue date Nov 23, 1926
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1514491
    • Patent number 1,514,491
    • Issue date Nov 4, 1924
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents