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Stephen Thomas Kempfer

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  • Canton, MI, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Fuel pump boost system
    • Publication number 20060275137
    • Publication date Dec 7, 2006
    • Visteon Global Technologies, Inc.
    • Stephen T. Kempfer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fuel pump having dual single sided impeller
    • Publication number 20060165514
    • Publication date Jul 27, 2006
    • Visteon Global Technologies, Inc.
    • DeQuan Yu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fuel flange assembly for a vehicle fuel system
    • Publication number 20060130926
    • Publication date Jun 22, 2006
    • Visteon Global Technologies, Inc.
    • Taylor Leslie Riegel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Low evaporative emission fuel system depressurization via solenoid...
    • Publication number 20060048752
    • Publication date Mar 9, 2006
    • Visteon Global Technologies, Inc.
    • Kathleen H. Stroia
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    In-tank fuel supply unit having long life filter
    • Publication number 20060000454
    • Publication date Jan 5, 2006
    • Visteon Global Technologies, Inc.
    • Daven Chinubhai Bhavsar
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    System for controlling motor speed by altering magnetic field of th...
    • Publication number 20050179413
    • Publication date Aug 18, 2005
    • Visteon Global Technologies, Inc.
    • Harold L. Castle
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Fuel system with a field modification module for controlling fuel flow
    • Publication number 20050178366
    • Publication date Aug 18, 2005
    • Visteon Global Technologies, Inc.
    • James L. Thompson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pressure regulating valve for automotive fuel system
    • Publication number 20050081830
    • Publication date Apr 21, 2005
    • Visteon Global Technologies, Inc.
    • DeQuan Yu
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Mechanical returnless fuel system
    • Publication number 20050081826
    • Publication date Apr 21, 2005
    • Visteon Global Technologies, Inc.
    • DeQuan Yu
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Managing fuel volume change in fuel rail
    • Publication number 20040250795
    • Publication date Dec 16, 2004
    • Visteon Global Technologies, Inc.
    • Kathleen Stroia
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Fuel pump impeller
    • Publication number 20040223841
    • Publication date Nov 11, 2004
    • DeQuan Yu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gerotor fuel pump having primary and secondary inlet and outlet por...
    • Publication number 20040101427
    • Publication date May 27, 2004
    • Visteon Global Technologies Inc.
    • DeQuan Yu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fuel delivery check valve for automotive application
    • Publication number 20040094131
    • Publication date May 20, 2004
    • Visteon Global Technologies, Inc.
    • DeQuan Yu
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Low deviation pressure relief valve for fuel pumps
    • Publication number 20040069351
    • Publication date Apr 15, 2004
    • DeQuan Yu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Low noise fuel pump design
    • Publication number 20040062634
    • Publication date Apr 1, 2004
    • Visteon Global Technologies, Inc.
    • DeQuan Yu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Automotive fuel pump impeller with staggered vanes
    • Publication number 20040018080
    • Publication date Jan 29, 2004
    • Visteon Global Technologies, Inc.
    • DeQuan Yu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fuel sender assembly
    • Publication number 20040001769
    • Publication date Jan 1, 2004
    • Stephen Thomas Kempfer
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Hybrid electric/mechanical compressor with gear reducer
    • Publication number 20030091444
    • Publication date May 15, 2003
    • Brian Robert Kelm
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vehicles containing water-producing fuel cells, and methods for usi...
    • Publication number 20020092916
    • Publication date Jul 18, 2002
    • Visteon Global Technologies, Inc.
    • Erik Hans Gaarder
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Vehicles containing and methods for using a pre-heater to reduce em...
    • Publication number 20020092294
    • Publication date Jul 18, 2002
    • Visteon Global Technologies, Inc.
    • Stephen Thomas Kempfer
    • H01 - BASIC ELECTRIC ELEMENTS