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Michael L. Crabtree

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  • Arvada, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air springs and methods for making the same
    • Patent number 11,999,207
    • Issue date Jun 4, 2024
    • ILJIN USA Corporation
    • Ron J. Johnson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Air springs and methods for making the same
    • Patent number 11,433,726
    • Issue date Sep 6, 2022
    • ILJIN USA Corporation
    • Ron J. Johnson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Dual lobe airspring
    • Patent number RE46112
    • Issue date Aug 16, 2016
    • VIBRACOUSTIC NORTH AMERICA, L.P.
    • Michael L. Crabtree
    • 001 -
  • Information Patent Grant

    Air spring with debris and ice barrier
    • Patent number 7,967,280
    • Issue date Jun 28, 2011
    • VIBRACOUSTIC NORTH AMERICA, L.P.
    • Michael L. Crabtree
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Airspring sleeve
    • Patent number 7,588,234
    • Issue date Sep 15, 2009
    • Freudenberg-NOK General Partnership
    • Michael L. Crabtree
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Air spring elliptical piston
    • Patent number 6,902,155
    • Issue date Jun 7, 2005
    • Freudenberg-NOK General Partnership
    • Michael L. Crabtree
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dual lobe airspring
    • Patent number 6,386,523
    • Issue date May 14, 2002
    • The Gates Corporation
    • Michael L. Crabtree
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Side load compensating airspring for a vehicle suspension and method
    • Patent number 5,918,863
    • Issue date Jul 6, 1999
    • The Gates Corporation
    • Michael L. Crabtree
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Side load compensating airspring strut
    • Patent number 5,752,692
    • Issue date May 19, 1998
    • The Gates Corporation
    • Michael L. Crabtree
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Method for making an airspring and sleeve
    • Patent number 4,954,194
    • Issue date Sep 4, 1990
    • The Gates Rubber Company
    • Michael L. Crabtree
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Airspring and sleeve
    • Patent number 4,763,883
    • Issue date Aug 16, 1988
    • The Gates Rubber Company
    • Michael L. Crabtree
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    SYNTHETIC ELASTOMERIC AIR SPRING WITHOUT REINFORCING FIBERS
    • Publication number 20230056137
    • Publication date Feb 23, 2023
    • ILJIN USA Corporation
    • Alan Coulthard
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    AIR SPRINGS AND METHODS FOR MAKING THE SAME
    • Publication number 20220410645
    • Publication date Dec 29, 2022
    • ILJIN USA Corporation
    • Ron J. Johnson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    AIR SPRINGS AND METHODS FOR MAKING THE SAME
    • Publication number 20200324600
    • Publication date Oct 15, 2020
    • ILJIN USA Corporation
    • Ron J. Johnson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Rebound Control Enhancement For Air Springs
    • Publication number 20120098173
    • Publication date Apr 26, 2012
    • VIBRACOUSTICS NORTH AMERICA, L.P.
    • Michael L. Crabtree
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    AIR SPRING WITH DEBRIS AND ICE BARRIER
    • Publication number 20080106013
    • Publication date May 8, 2008
    • Freudenberg-NOK General Partnership
    • Michael L. Crabtree
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Airspring sleeve
    • Publication number 20040041313
    • Publication date Mar 4, 2004
    • Michael L. Crabtree
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Dual lobe airspring
    • Publication number 20020041063
    • Publication date Apr 11, 2002
    • GATES CORPORATION
    • Michael L. Crabtree
    • B60 - VEHICLES IN GENERAL