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David James Haugen

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  • Ann Arbor, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic hybrid vehicle with safe and efficient hydrostatic operation
    • Patent number 9,032,723
    • Issue date May 19, 2015
    • The United States of America, as represented by the Administrator of the U.S....
    • David J Haugen
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Efficient bypass valve for multi-stage turbocharging system
    • Patent number 8,387,385
    • Issue date Mar 5, 2013
    • The United States of America, as represented by the Administrator of the U.S....
    • Charles L. Gray
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Two mode dual crankshaft engine
    • Patent number 8,272,356
    • Issue date Sep 25, 2012
    • The United States of America, as represented by the Administrator of the Unit...
    • David James Haugen
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Engine-off power steering system
    • Patent number 8,100,221
    • Issue date Jan 24, 2012
    • The United States of America as represented by the Administrator of the U. S....
    • Mark Spencer Stuhldreher
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Flex fuel internal combustion engine system
    • Patent number 8,061,121
    • Issue date Nov 22, 2011
    • The United States of America as represented by the Administrator of the U. S....
    • David James Haugen
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Dual volute turbocharger
    • Patent number 7,861,525
    • Issue date Jan 4, 2011
    • The United States of America as represented by the Administrator of the U. S....
    • David James Haugen
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Control methods for low emission internal combustion system
    • Patent number 7,681,394
    • Issue date Mar 23, 2010
    • The United States of America, as represented by the Administrator of the U.S....
    • David James Haugen
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Multi-stage turbocharging system with efficient bypass
    • Patent number 7,644,585
    • Issue date Jan 12, 2010
    • The United States of America as represented by the Administrator of the U. S....
    • David James Haugen
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Low emission diesel combustion system with low charge-air oxygen co...
    • Patent number 6,857,263
    • Issue date Feb 22, 2005
    • The United States of America as represented by the Administrator of the Envir...
    • Charles L. Gray, Jr.
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents