TREA

and rotating the drill about its own axis

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  • CPC
  • B24B3/30
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B24Grinding technology B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS B24B3/00Sharpening cutting edges

Current Industry

B24B3/30and rotating the drill about its own axis
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Drill bit grinder structure
    • Patent number 6,676,494
    • Issue date Jan 13, 2004
    • Chuan-Chien Ching
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    ELID centerless grinding apparatus
    • Patent number 6,506,103
    • Issue date Jan 14, 2003
    • Riken
    • Hitoshi Ohmori
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Method and device for regrinding grooved tools
    • Patent number 5,807,164
    • Issue date Sep 15, 1998
    • Erwin Junker
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit grinding machine
    • Patent number 5,649,853
    • Issue date Jul 22, 1997
    • Chun-Lin Kuo
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Drill grinder
    • Patent number 5,573,452
    • Issue date Nov 12, 1996
    • Yu-chieh Liu
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Drill grinding machine
    • Patent number 5,179,809
    • Issue date Jan 19, 1993
    • Giddings & Lewis, Inc.
    • Richard L. Schroeder
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Drill grinding machine
    • Patent number 5,125,186
    • Issue date Jun 30, 1992
    • Giddings & Lewis, Inc.
    • Richard L. Schroeder
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Chuck
    • Patent number 4,093,247
    • Issue date Jun 6, 1978
    • Darex Corporation
    • Arthur Alexander Bernard
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Twist drill sharpener and aligning fixture
    • Patent number 4,001,975
    • Issue date Jan 11, 1977
    • Darex Corporation
    • Arthur Alexander Bernard
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3911629
    • Patent number 3,911,629
    • Issue date Oct 14, 1975
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3838540
    • Patent number 3,838,540
    • Issue date Oct 1, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3656264
    • Patent number 3,656,264
    • Issue date Apr 18, 1972
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3626436
    • Patent number 3,626,436
    • Issue date Dec 7, 1971
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3579924
    • Patent number 3,579,924
    • Issue date May 25, 1971
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3535831
    • Patent number 3,535,831
    • Issue date Oct 27, 1970
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3266194
    • Patent number 3,266,194
    • Issue date Aug 16, 1966
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3209493
    • Patent number 3,209,493
    • Issue date Oct 5, 1965
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3040480
    • Patent number 3,040,480
    • Issue date Jun 26, 1962
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2866302
    • Patent number 2,866,302
    • Issue date Dec 30, 1958
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2682736
    • Patent number 2,682,736
    • Issue date Jul 6, 1954
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2520647
    • Patent number 2,520,647
    • Issue date Aug 29, 1950
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2498701
    • Patent number 2,498,701
    • Issue date Feb 28, 1950
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2471443
    • Patent number 2,471,443
    • Issue date May 31, 1949
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1541920
    • Patent number 1,541,920
    • Issue date Jun 16, 1925
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents