the friction surface being grooved

Patents Grantslast 30 patents

  • Information Patent Grant

    Friction control element having a stroked state

    • Patent number 8,056,696
    • Issue date Nov 15, 2011
    • Ford Global Technologies, LLC
    • David A. Janson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multiple lockup clutch and torque converter with the same clutch in...

    • Patent number 6,557,685
    • Issue date May 6, 2003
    • NSK-Warner K.K.
    • Kazumi Hattori
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Annular friction-clutch facing for a multi-disk clutch

    • Patent number 6,454,072
    • Issue date Sep 24, 2002
    • Borg-Warner Automotive GmbH
    • Harald Merkel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3319754

    • Patent number 3,319,754
    • Issue date May 16, 1967
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3115231

    • Patent number 3,115,231
    • Issue date Dec 24, 1963
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2983351

    • Patent number 2,983,351
    • Issue date May 9, 1961
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2962146

    • Patent number 2,962,146
    • Issue date Nov 29, 1960
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2885031

    • Patent number 2,885,031
    • Issue date May 5, 1959
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2869702

    • Patent number 2,869,702
    • Issue date Jan 20, 1959
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2791306

    • Patent number 2,791,306
    • Issue date May 7, 1957
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2755901

    • Patent number 2,755,901
    • Issue date Jul 24, 1956
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2734607

    • Patent number 2,734,607
    • Issue date Feb 14, 1956
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2684737

    • Patent number 2,684,737
    • Issue date Jul 27, 1954
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2597502

    • Patent number 2,597,502
    • Issue date May 20, 1952
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2592695

    • Patent number 2,592,695
    • Issue date Apr 15, 1952
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2398806

    • Patent number 2,398,806
    • Issue date Apr 23, 1946
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1249736

    • Patent number 1,249,736
    • Issue date Dec 11, 1917
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents