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Orville J. Birkestrand

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  • Davenport, IA, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    CLOSED CYCLE LIFT FORCE TURBINE
    • Publication number 20240360839
    • Publication date Oct 31, 2024
    • Orville J. Birkestrand
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    OPEN AND CLOSED CYCLE LIFT FORCE TURBINES
    • Publication number 20240035436
    • Publication date Feb 1, 2024
    • Orville J. Birkestrand
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    TOROIDAL LIFT FORCE ENGINE
    • Publication number 20210270230
    • Publication date Sep 2, 2021
    • Orville J. Birkestrand
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    POWER GENERATION APPARATUS
    • Publication number 20140140846
    • Publication date May 22, 2014
    • Orville J. Birkestrand
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    POWER GENERATION APPARATUS
    • Publication number 20130170990
    • Publication date Jul 4, 2013
    • Orville J. Birkestrand
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    FLUID-RESPONSIVE OSCILLATION POWER GENERATION METHOD AND APPARATUS
    • Publication number 20080148723
    • Publication date Jun 26, 2008
    • Orville J. Birkestrand
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Electronic throttle/brake control system for motorized wheel hub
    • Publication number 20020135330
    • Publication date Sep 26, 2002
    • Orville J. Birkestrand
    • B60 - VEHICLES IN GENERAL