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Mark A. Leimer

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  • Fort Wayne, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Articulating guide seal
    • Patent number 8,246,006
    • Issue date Aug 21, 2012
    • Dana Automotive Systems Group, LLC
    • Mark A. Leimer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve stem sealing assembly
    • Patent number 7,900,932
    • Issue date Mar 8, 2011
    • Dana Automotive Systems Group, LLC
    • Mark A. Leimer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve stem seal assembly
    • Patent number 7,316,386
    • Issue date Jan 8, 2008
    • Dana Corporation
    • Mark A. Leimer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve stem seal assembly with changeable cap
    • Patent number 7,025,030
    • Issue date Apr 11, 2006
    • Dana Corporation
    • Mark A. Leimer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Dual spring valve stem seal module
    • Patent number 6,830,025
    • Issue date Dec 14, 2004
    • Dana Corporation
    • Mark A. Leimer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve stem seal with built-in sprue
    • Patent number 6,761,141
    • Issue date Jul 13, 2004
    • Dana Corporation
    • Mark Alan Leimer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Valve stem seal assembly with valve guide retainer
    • Patent number 6,679,502
    • Issue date Jan 20, 2004
    • Dana Corporation
    • Mark Alan Leimer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Molded rubber jacket with fabric reinforcement for valve stem seal
    • Patent number 6,659,469
    • Issue date Dec 9, 2003
    • Dana Corporation
    • Mark A. Leimer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve stem seal assembly with locator system
    • Patent number 6,647,943
    • Issue date Nov 18, 2003
    • Dana Corporation
    • Mark A. Leimer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve seal assembly with spring finger retainer
    • Patent number 6,609,700
    • Issue date Aug 26, 2003
    • Dana Corporation
    • Mark Alan Leimer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve stem seal assembly with integral bottom seal
    • Patent number 6,571,761
    • Issue date Jun 3, 2003
    • Dana Corporation
    • Mark Alan Leimer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Molded rubber jacket with fabric reinforcement for valve stem seal
    • Patent number 6,527,275
    • Issue date Mar 4, 2003
    • Dana Corporation
    • Mark A. Leimer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Service tool for removal of valve seal assembly
    • Patent number 6,415,487
    • Issue date Jul 9, 2002
    • Dana Corporation
    • Mark Alan Leimer
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Valve seal assembly module with spring and retainers
    • Patent number 6,412,467
    • Issue date Jul 2, 2002
    • Dana Corporation
    • Mark A. Leimer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    ARTICULATING GUIDE SEAL
    • Publication number 20070278441
    • Publication date Dec 6, 2007
    • Mark A. Leimer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve stem seal assembly
    • Publication number 20060278840
    • Publication date Dec 14, 2006
    • Mark A. Leimer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve stem sealing assembly
    • Publication number 20060027977
    • Publication date Feb 9, 2006
    • Mark A. Leimer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve stem seal assembly with changeable cap
    • Publication number 20050040603
    • Publication date Feb 24, 2005
    • Mark A. Leimer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    DUAL SPRING VALVE STEM SEAL MODULE
    • Publication number 20040200451
    • Publication date Oct 14, 2004
    • Mark A. Leimer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VALVE STEM SEAL WITH BUILT-IN SPRUE
    • Publication number 20040107936
    • Publication date Jun 10, 2004
    • Mark Alan Leimer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Valve stem seal assembly with locator system
    • Publication number 20030024497
    • Publication date Feb 6, 2003
    • Dana Corporation
    • Mark A. Leimer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve seal assembly with spring finger retainer
    • Publication number 20020179877
    • Publication date Dec 5, 2002
    • Dana Corporation
    • Mark Alan Leimer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Molded rubber jacket with fabric reinforcement for valve stem seal
    • Publication number 20020171205
    • Publication date Nov 21, 2002
    • Dana Corporation
    • Mark A. Leimer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES