TREA

Rollin Douglas Rumsey

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  • Buffalo, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Straight through flow diaphragm valve structures
    • Patent number 4,214,604
    • Issue date Jul 29, 1980
    • Rollin D. Rumsey
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vertical axis wind turbine motor
    • Patent number 4,052,134
    • Issue date Oct 4, 1977
    • Rollin Douglas Rumsey
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Radial piston pump/motors
    • Patent number 4,018,138
    • Issue date Apr 19, 1977
    • Rollin Douglas Rumsey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Radial piston pump/motors
    • Patent number 3,935,794
    • Issue date Feb 3, 1976
    • Rollin Douglas Rumsey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS