TREA

Allen B. Holmes

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  • Rockville, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vortex chamber mud pulser
    • Patent number 5,455,804
    • Issue date Oct 3, 1995
    • Defense Research Technologies, Inc.
    • Allen B. Holmes
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Fuel injection of coal slurry using vortex nozzles and valves
    • Patent number 4,862,837
    • Issue date Sep 5, 1989
    • Defense Research Technologies, Inc.
    • Allen B. Holmes
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fluidic mud pulse telemetry transmitter
    • Patent number 4,557,295
    • Issue date Dec 10, 1985
    • The United States of America as represented by the Secretary of the Army
    • Allen B. Holmes
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Fluidic valve and pulsing device
    • Patent number 4,418,721
    • Issue date Dec 6, 1983
    • The United States of America as represented by the Secretary of the Army
    • Allen B. Holmes
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Electro fluidic actuator
    • Patent number 4,391,299
    • Issue date Jul 5, 1983
    • The United States of America as represented by the Secretary of the Army
    • Allen B. Holmes
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Fluidic mud pulser
    • Patent number 4,323,991
    • Issue date Apr 6, 1982
    • The United States of America as represented by the Secretary of the Army
    • Allen B. Holmes
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fluid oscillator
    • Patent number 4,291,395
    • Issue date Sep 22, 1981
    • The United States of America as represented by the Secretary of the Army
    • Allen B. Holmes
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fluidic pulser
    • Patent number 4,276,943
    • Issue date Jul 7, 1981
    • The United States of America as represented by the Secretary of the Army
    • Allen B. Holmes
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydrostatic seismic sensor
    • Patent number 4,165,503
    • Issue date Aug 21, 1979
    • The United States of America as represented by the Secretary of the Army
    • Allen B. Holmes
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Hydrostatic accelerometer
    • Patent number 4,138,893
    • Issue date Feb 13, 1979
    • The United States of America as represented by the Secretary of the Army
    • Allen B. Holmes
    • G01 - MEASURING TESTING