using an unexpandable tool

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing rotationally symmetrical, non cylindrical bore...

    • Patent number 10,675,730
    • Issue date Jun 9, 2020
    • Gehring Technologies GmbH
    • Andreas Wagner
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Device and method for the finishing machining of an internal face o...

    • Patent number 10,307,879
    • Issue date Jun 4, 2019
    • Supfina Grieshaber GmbH & Co. KG
    • Alfons Haas
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Honing tool holder with a feed system powered by through-the-spindl...

    • Patent number 9,427,840
    • Issue date Aug 30, 2016
    • Sunnen Products Company
    • Daniel R. Cloutier
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Honing machine for inner honing and outer honing

    • Patent number 9,022,837
    • Issue date May 5, 2015
    • Gehring Naumburg GmbH & Co.
    • Günther Pöhlitz
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Tool head, machine tool and boring method of bore of cylinder block...

    • Patent number 8,287,214
    • Issue date Oct 16, 2012
    • Honda Motor Co., Ltd.
    • Hideki Sadaoka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for honing blind bores in workpieces

    • Patent number 6,780,084
    • Issue date Aug 24, 2004
    • Sunnen Products Company
    • Richard F. Moellenberg
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Honing tool used to finish blind bores in workpieces and the method...

    • Patent number 6,527,620
    • Issue date Mar 4, 2003
    • Sunnen Products Company
    • Richard F. Moellenberg
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Hone for gerotor stators, and honing method

    • Patent number 4,592,173
    • Issue date Jun 3, 1986
    • Hollis N. White
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Die lapping apparatus

    • Patent number 4,043,080
    • Issue date Aug 23, 1977
    • Die-Quip Corporation
    • Thomas H. Maxwell
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3385008

    • Patent number 3,385,008
    • Issue date May 28, 1968
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3117397

    • Patent number 3,117,397
    • Issue date Jan 14, 1964
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3037328

    • Patent number 3,037,328
    • Issue date Jun 5, 1962
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2735233

    • Patent number 2,735,233
    • Issue date Feb 21, 1956
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2734318

    • Patent number 2,734,318
    • Issue date Feb 14, 1956
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2626486

    • Patent number 2,626,486
    • Issue date Jan 27, 1953
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2622372

    • Patent number 2,622,372
    • Issue date Dec 23, 1952
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2399477

    • Patent number 2,399,477
    • Issue date Apr 30, 1946
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2354347

    • Patent number 2,354,347
    • Issue date Jul 25, 1944
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2208499

    • Patent number 2,208,499
    • Issue date Jul 16, 1940
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2170328

    • Patent number 2,170,328
    • Issue date Aug 22, 1939
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2170329

    • Patent number 2,170,329
    • Issue date Aug 22, 1939
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2158123

    • Patent number 2,158,123
    • Issue date May 16, 1939
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1758100

    • Patent number 1,758,100
    • Issue date May 13, 1930
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1730650

    • Patent number 1,730,650
    • Issue date Oct 8, 1929
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1475990

    • Patent number 1,475,990
    • Issue date Dec 4, 1923
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1472835

    • Patent number 1,472,835
    • Issue date Nov 6, 1923
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents