TREA

Brian L. Ruddy

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Patents Grantslast 30 patents

  • Information Patent Grant

    Piston and piston ring
    • Patent number 5,001,965
    • Issue date Mar 26, 1991
    • AE PLC
    • Brian L. Ruddy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston and piston ring assemblies
    • Patent number 4,669,369
    • Issue date Jun 2, 1987
    • AE PLC
    • Jeremy Holt
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Treatment of pistons
    • Patent number 4,664,021
    • Issue date May 12, 1987
    • AE PLC
    • Brian L. Ruddy
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Non-metallic piston rings with controlled expansion pressure
    • Patent number 4,629,200
    • Issue date Dec 16, 1986
    • AE PLC
    • Brian L. Ruddy
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS