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Roland Welter

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  • Buehl, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic system
    • Patent number 7,950,321
    • Issue date May 31, 2011
    • Schaeffler Technologies GmbH & Co. KG
    • Roland Welter
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic system
    • Patent number 7,946,630
    • Issue date May 24, 2011
    • Schaeffler Technologies GmbH & Co. KG
    • Udo Popp
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic actuation system
    • Patent number 7,465,252
    • Issue date Dec 16, 2008
    • Roland Welter
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic operating arrangement for clutches and the like
    • Patent number 7,121,396
    • Issue date Oct 17, 2006
    • LuK Lamellen und Kupplungsbau Beteiligungs KG
    • Axel Rogner
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic system
    • Patent number 7,107,768
    • Issue date Sep 19, 2006
    • LuK Lamellen und Kupplungsbau Beteiligungs KG
    • Roland Welter
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Master cylinder
    • Patent number 6,810,787
    • Issue date Nov 2, 2004
    • LuK Lamellen und Kupplungsbau Beteiligungs KG
    • Roland Welter
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic operating systems for clutches and the like
    • Patent number 6,769,254
    • Issue date Aug 3, 2004
    • LuK Lamellen und Kupplungsbau Beteiligungs KG
    • Jean-Francois Heller
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic operating arrangement for clutches and the like
    • Patent number 6,719,115
    • Issue date Apr 13, 2004
    • LuK Lamellen und Kupplungsbau Beteiligungs KG
    • Axel Rogner
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Master cylinder for use in power trains of motor vehicles
    • Patent number 6,640,541
    • Issue date Nov 4, 2003
    • LuK Lamellen und Kupplungsbau Beteiligungs KG
    • Ludwig Winkelmann
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Master cylinder for use in power trains of motor vehicles
    • Patent number 6,526,868
    • Issue date Mar 4, 2003
    • LuK Lamellen und Kupplungsbau Beteiligungs KG
    • Ludwig Winkelmann
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Master cylinder
    • Patent number 6,470,791
    • Issue date Oct 29, 2002
    • LuK Lamellen und Kupplungsbau Beteiligungs KG
    • Roland Welter
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Master cylinder for use in power trains of motor vehicles
    • Patent number 6,446,436
    • Issue date Sep 10, 2002
    • LuK Lamellen und Kupplungsbau GmbH
    • Ludwig Winkelmann
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Clutch engaging and disengaging apparatus
    • Patent number 6,345,710
    • Issue date Feb 12, 2002
    • LuK Lamellen und Kupplungsbau GmbH
    • Roland Welter
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic clutch release mechanism
    • Patent number 6,283,266
    • Issue date Sep 4, 2001
    • LuK Lamellen und Kupplungsbau GmbH
    • Roland Welter
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    PISTON-CYLINDER ARRANGEMENT, IN PARTICULAR A SLAVE CYLINDER FOR A H...
    • Publication number 20150247575
    • Publication date Sep 3, 2015
    • Schaeffler Technologies GmbH & Co. KG
    • Roland Welter
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Hydraulic operating arrangement for clutches and the like
    • Publication number 20070029156
    • Publication date Feb 8, 2007
    • Axel Rogner
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Hydraulic system
    • Publication number 20060266032
    • Publication date Nov 30, 2006
    • LUK LAMELLEN UND KUPPLUNGSBAU BETEILIGUNGS KG
    • Roland Welter
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Hydraulic actuation system
    • Publication number 20060100061
    • Publication date May 11, 2006
    • LUK LAMELLEN UND KUPPLUNGSBAU BETEILIGUNGS KG
    • Roland Welter
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Hydraulic system
    • Publication number 20050217265
    • Publication date Oct 6, 2005
    • LUK LAMELLEN UND KUPPLUNGSBAU BETEILIGUNGS KG
    • Udo Popp
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Hydraulic operating arrangement for clutches and the like
    • Publication number 20040238313
    • Publication date Dec 2, 2004
    • Axel Rogner
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Hydraulic system
    • Publication number 20040168439
    • Publication date Sep 2, 2004
    • LUK LAMELLEN UND KUPPLUNGSBAU BETEILIGUNGS KG
    • Roland Welter
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Master cylinder for use in power trains of motor vehicles
    • Publication number 20030097928
    • Publication date May 29, 2003
    • Luk Lamellen und Kupplungsbau Beteiligungs KG
    • Ludwig Winkelmann
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Hydraulic operating arrangement for clutches and the like
    • Publication number 20030029692
    • Publication date Feb 13, 2003
    • Luk Lamellen und Kupplungsbau Beteiligungs KG
    • Axel Rogner
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Master cylinder
    • Publication number 20030014970
    • Publication date Jan 23, 2003
    • Luk Lamellen und Kupplungsbau GmbH
    • Roland Welter
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Master cylinder for use in power trains of motor vehicles
    • Publication number 20020116924
    • Publication date Aug 29, 2002
    • Luk Lamellen und Kupplungsbau GmbH
    • Ludwig Winkelmann
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Hydraulic operating systems for clutches and the like
    • Publication number 20020119055
    • Publication date Aug 29, 2002
    • Luk Lamellen und Kupplungsbau Beteiligungs KG
    • Jean-Francois Heller
    • B60 - VEHICLES IN GENERAL