David P. McConnell

Person

  • Minden, NV, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic fluid generator

    • Patent number 4,283,915
    • Issue date Aug 18, 1981
    • McConnell; David P.
    • David P. McConnell
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Rotary manifold valve mechanism

    • Patent number 4,253,380
    • Issue date Mar 3, 1981
    • McConnell; David P.
    • David P. McConnell
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fluid operated engine

    • Patent number 4,122,757
    • Issue date Oct 31, 1978
    • McConnell; David P.
    • David P. McConnell
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES