of cup type

Patents Grantslast 30 patents

  • Information Patent Grant

    Sander apparatus and method

    • Patent number 11,938,585
    • Issue date Mar 26, 2024
    • Stringtech Workstations Inc.
    • Michael E. McConville
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Polycrystalline diamond elements having convex surfaces

    • Patent number 8,468,707
    • Issue date Jun 25, 2013
    • Element Six Limited
    • Geoffrey Alan Scarsbrook
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Bowling ball abrader and polisher system and method

    • Patent number 7,892,073
    • Issue date Feb 22, 2011
    • Gary Louis Smania
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Surface grinder for ball of ball valve

    • Patent number 7,862,403
    • Issue date Jan 4, 2011
    • Chun Chen Lai
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Cutting cup for sphere making machines

    • Patent number 7,220,171
    • Issue date May 22, 2007
    • Rodney G. Riel
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Bowling ball resurfacing apparatus

    • Patent number 7,063,607
    • Issue date Jun 20, 2006
    • Sang-Bae Sim
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Bowling ball surface abrading and polishing tool assembly

    • Patent number 6,402,600
    • Issue date Jun 11, 2002
    • Othmar C. Besch
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Bowling ball surfacing machine

    • Patent number 6,186,875
    • Issue date Feb 13, 2001
    • Larry A. Cook
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Golf ball deburring method

    • Patent number 6,165,049
    • Issue date Dec 26, 2000
    • Bridgestone Sports Co., Ltd.
    • Takehiko Yamaguchi
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Golf ball buffing apparatus and method

    • Patent number 6,129,611
    • Issue date Oct 10, 2000
    • Bridgestone Sports Co., Ltd.
    • Takehiko Yamaguchi
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Method for grinding golf ball surface and golf ball

    • Patent number 5,658,188
    • Issue date Aug 19, 1997
    • Sumitomo Rubber Industrues, Ltd.
    • Mikio Yamada
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Automatic bowling ball resurfacing machine

    • Patent number 5,613,896
    • Issue date Mar 25, 1997
    • Bruce A. Haus
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Abrading apparatus for spherically shaping workpieces

    • Patent number 4,885,873
    • Issue date Dec 12, 1989
    • Seiko Electronic Components Ltd.
    • Masashi Miyazaki
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Machine for grinding large balls

    • Patent number 4,856,231
    • Issue date Aug 15, 1989
    • Josef Kusser
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Whole spherical surface polishing device

    • Patent number 3,961,448
    • Issue date Jun 8, 1976
    • Shoichi Akahane
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3828979

    • Patent number 3,828,979
    • Issue date Aug 13, 1974
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3765128

    • Patent number 3,765,128
    • Issue date Oct 16, 1973
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3609918

    • Patent number 3,609,918
    • Issue date Oct 5, 1971
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3167884

    • Patent number 3,167,884
    • Issue date Feb 2, 1965
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3151419

    • Patent number 3,151,419
    • Issue date Oct 6, 1964
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3133383

    • Patent number 3,133,383
    • Issue date May 19, 1964
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3111789

    • Patent number 3,111,789
    • Issue date Nov 26, 1963
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3110987

    • Patent number 3,110,987
    • Issue date Nov 19, 1963
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3024578

    • Patent number 3,024,578
    • Issue date Mar 13, 1962
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3016662

    • Patent number 3,016,662
    • Issue date Jan 16, 1962
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2998676

    • Patent number 2,998,676
    • Issue date Sep 5, 1961
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2787093

    • Patent number 2,787,093
    • Issue date Apr 2, 1957
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2479898

    • Patent number 2,479,898
    • Issue date Aug 23, 1949
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2438773

    • Patent number 2,438,773
    • Issue date Mar 30, 1948
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2405344

    • Patent number 2,405,344
    • Issue date Aug 6, 1946
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents