TREA

Ronnie J. Duncan

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  • Entiat, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary machine and thermal cycle
    • Patent number 6,782,866
    • Issue date Aug 31, 2004
    • Saddlerock Technologies LLC
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary machine and thermal cycle
    • Patent number 6,684,825
    • Issue date Feb 3, 2004
    • Saddle Rock Technologies, LLC
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary machine and thermal cycle
    • Patent number 6,672,275
    • Issue date Jan 6, 2004
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Shaped charge engine
    • Patent number 6,658,838
    • Issue date Dec 9, 2003
    • Saddle Rock Technologies, LLC
    • Ronnie J. Duncan
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Rotary machine and thermal cycle
    • Patent number 6,484,687
    • Issue date Nov 26, 2002
    • Saddle Rock Technologies LLC
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Shaped charged engine
    • Patent number 6,430,919
    • Issue date Aug 13, 2002
    • Direct Propulsion Devices, Inc.
    • Ronnie J. Duncan
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Apparatus for cutting a hole
    • Patent number 5,458,444
    • Issue date Oct 17, 1995
    • Ronnie J. Duncan
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Apparatus for drilling holes in a workpiece
    • Patent number 5,433,560
    • Issue date Jul 18, 1995
    • Ronnie J. Duncan
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Straining and stop valve
    • Patent number 4,806,258
    • Issue date Feb 21, 1989
    • Remco Research and Development, Inc.
    • Ronnie J. Duncan
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Straining and stop valve
    • Patent number 4,722,794
    • Issue date Feb 2, 1988
    • Remco Research and Development, Inc.
    • Ronnie J. Duncan
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Faucet and clamping mechanism
    • Patent number 4,553,277
    • Issue date Nov 19, 1985
    • Ronnie J. Duncan
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Snap-on shut off valve
    • Patent number 4,390,159
    • Issue date Jun 28, 1983
    • Ronnie J. Duncan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    ENGINE SYSTEMS AND METHODS
    • Publication number 20080000215
    • Publication date Jan 3, 2008
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary machine and thermal cycle
    • Publication number 20050284440
    • Publication date Dec 29, 2005
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Engine systems and methods
    • Publication number 20050235957
    • Publication date Oct 27, 2005
    • Ronnie J. Duncan
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Rotary machine and thermal cycle
    • Publication number 20050109310
    • Publication date May 26, 2005
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary machine and thermal cycle
    • Publication number 20040187839
    • Publication date Sep 30, 2004
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary machine and thermal cycle
    • Publication number 20040159306
    • Publication date Aug 19, 2004
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Shaped charge engine
    • Publication number 20040134184
    • Publication date Jul 15, 2004
    • Ronnie J. Duncan
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Rotary machine and thermal cycle
    • Publication number 20030116119
    • Publication date Jun 26, 2003
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary machine and thermal cycle
    • Publication number 20030097831
    • Publication date May 29, 2003
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary machine and thermal cycle
    • Publication number 20030084657
    • Publication date May 8, 2003
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Shaped charge engine
    • Publication number 20030046920
    • Publication date Mar 13, 2003
    • Direct Propulsion Devices, Inc.
    • Ronnie J. Duncan
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    ROTARY MACHINE AND THERMAL CYCLE
    • Publication number 20020179036
    • Publication date Dec 5, 2002
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES