involving a rotating bowl, in which a ring zone of abrasive powder is formed by centrifugal force

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotational abrasive micro/nano-finishing

    • Patent number 11,344,989
    • Issue date May 31, 2022
    • Aref Azami Gilan
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Method of finishing cutting elements

    • Patent number 7,549,912
    • Issue date Jun 23, 2009
    • Smith International, Inc.
    • Dah-Ben Liang
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Planarization process using artificial gravity

    • Patent number 5,865,891
    • Issue date Feb 2, 1999
    • Vanguard International Semiconductor Corporation
    • Kung Linliu
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Planarization process using artificial gravity

    • Patent number 5,714,417
    • Issue date Feb 3, 1998
    • Vanguard International Semiconductor Corporation
    • Linliu Kung
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Finishing method and apparatus

    • Patent number 4,730,417
    • Issue date Mar 15, 1988
    • The Grav-i-Flo Corporation
    • Richard L. Davidson
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3623278

    • Patent number 3,623,278
    • Issue date Nov 30, 1971
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3570183

    • Patent number 3,570,183
    • Issue date Mar 16, 1971
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2897633

    • Patent number 2,897,633
    • Issue date Aug 4, 1959
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2806334

    • Patent number 2,806,334
    • Issue date Sep 17, 1957
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2803093

    • Patent number 2,803,093
    • Issue date Aug 20, 1957
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2664676

    • Patent number 2,664,676
    • Issue date Jan 5, 1954
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2494733

    • Patent number 2,494,733
    • Issue date Jan 17, 1950
    • B24 - GRINDING POLISHING
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    2218353

    • Patent number 2,218,353
    • Issue date Oct 15, 1940
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2181547

    • Patent number 2,181,547
    • Issue date Nov 28, 1939
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents