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Roxann M. BITTNER

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  • Bloomfield Hills, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Adaptation of a wireless oil level sensor to an oil pan drain plug
    • Patent number 9,982,580
    • Issue date May 29, 2018
    • GM Global Technology Operations LLC
    • David R. Staley
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable tensioner for cam drive
    • Patent number 9,739,348
    • Issue date Aug 22, 2017
    • GM Global Technology Operations LLC
    • Thomas A. Spix
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Drainable container system
    • Patent number 8,875,933
    • Issue date Nov 4, 2014
    • GM Global Technology Operations LLC
    • Leonard Barry Griffiths
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fastening system
    • Patent number 8,490,595
    • Issue date Jul 23, 2013
    • GM Global Technology Operations LLC
    • Roxann M. Bittner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cylinder head drain and vent
    • Patent number 8,371,260
    • Issue date Feb 12, 2013
    • GM Global Technology Operations LLC
    • Rodney E. Baker
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Engine camshaft cover with integrated oil passages for camshaft pha...
    • Patent number 8,166,938
    • Issue date May 1, 2012
    • GM Global Technology Operations LLC
    • Roxann M. Bittner
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine and supercharger with liquid cooled housings
    • Patent number 8,113,183
    • Issue date Feb 14, 2012
    • GM Global Technology Operations LLC
    • Gregory P. Prior
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Liquid-cooled rotor assembly for a supercharger
    • Patent number 7,993,118
    • Issue date Aug 9, 2011
    • GM Global Technology Operations LLC
    • Gregory P. Prior
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Housing for a supercharger assembly
    • Patent number 7,726,286
    • Issue date Jun 1, 2010
    • GM Global Technology Operations, Inc.
    • Gregory P. Prior, II
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Supercharger with multiple backflow ports for noise control
    • Patent number 6,874,486
    • Issue date Apr 5, 2005
    • General Motors Corporation
    • Gregory P. Prior
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    VARIABLE TENSIONER FOR CAM DRIVE
    • Publication number 20170114872
    • Publication date Apr 27, 2017
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • Thomas A. SPIX
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ADAPTATION OF A WIRELESS OIL LEVEL SENSOR TO AN OIL PAN DRAIN PLUG
    • Publication number 20160290191
    • Publication date Oct 6, 2016
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • David R. STALEY
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    CENTRIFUGAL PUMP
    • Publication number 20140030086
    • Publication date Jan 30, 2014
    • David R. Staley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DRAINABLE CONTAINER SYSTEM
    • Publication number 20130068778
    • Publication date Mar 21, 2013
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • Leonard Barry Griffiths
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ASSEMBLY WITH ADJUSTABLE COMPRESSION LOAD LIMITER
    • Publication number 20120247420
    • Publication date Oct 4, 2012
    • GM GLOBAL TECHNOLGY OPERATIONS LLC
    • Leonard Barry Griffiths
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CYLINDER HEAD DRAIN AND VENT
    • Publication number 20110277721
    • Publication date Nov 17, 2011
    • GM Global Technology Operations, Inc.
    • Rodney E. Baker
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    ENGINE CAMSHAFT COVER WITH INTEGRATED OIL PASSAGES FOR CAMSHAFT PHA...
    • Publication number 20110277722
    • Publication date Nov 17, 2011
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • Roxann M. Bittner
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    FASTENING SYSTEM
    • Publication number 20110209681
    • Publication date Sep 1, 2011
    • GM GLOBAL TECHNOLOGY OPEARTIONS, INC.
    • Roxann M. Bittner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ENGINE AND SUPERCHARGER WITH LIQUID COOLED HOUSINGS
    • Publication number 20100018509
    • Publication date Jan 28, 2010
    • GM Global Technology Operations, Inc.
    • Gregory P. Prior
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SUPERCHARGERS WITH DUAL INTEGRAL ROTORS
    • Publication number 20090288648
    • Publication date Nov 26, 2009
    • GM Global Technology Operations, Inc.
    • Gregory P. Prior
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Liquid-Cooled Rotor Assembly for a Supercharger
    • Publication number 20090004038
    • Publication date Jan 1, 2009
    • GM Global Technology Operations, Inc.
    • Gregory P. Prior
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Housing for a Supercharger Assembly
    • Publication number 20080292452
    • Publication date Nov 27, 2008
    • GM Global Technology Operations, Inc.
    • GREGORY P. PRIOR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ADJUSTABLE HELMHOLTZ RESONATOR
    • Publication number 20080173271
    • Publication date Jul 24, 2008
    • GM Global Technology Operations, Inc.
    • Gregory P. Prior
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ROTOR ASSEMBLY AND METHOD OF FORMING
    • Publication number 20080170958
    • Publication date Jul 17, 2008
    • GM Global Technology Operations, Inc.
    • GREGORY P. PRIOR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTAKE ASSEMBLY WITH INTEGRAL RESONATORS
    • Publication number 20080168961
    • Publication date Jul 17, 2008
    • GM Global Technology Operations, Inc.
    • Gregory P. Prior
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Supercharger with multiple backflow ports for noise control
    • Publication number 20040194766
    • Publication date Oct 7, 2004
    • Gregory P. Prior
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES