TREA

David A. Parker

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Patents Grantslast 30 patents

  • Information Patent Grant

    Flanged bearings
    • Patent number 5,520,466
    • Issue date May 28, 1996
    • T&N Technology Limited
    • William H. Everitt
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston with ceramic load-transmitting pads
    • Patent number 5,193,435
    • Issue date Mar 16, 1993
    • T&N Technology Limited
    • David A. Parker
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Pistons for engines or motors
    • Patent number 5,174,193
    • Issue date Dec 29, 1992
    • T&N Technology Limited
    • David A. Parker
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Pistons with oil retaining depressions
    • Patent number 4,809,591
    • Issue date Mar 7, 1989
    • AE PLC
    • Michael L. P. Rhodes
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Manufacture of pistons
    • Patent number 4,752,995
    • Issue date Jun 28, 1988
    • AE PLC
    • John G. Collyear
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • 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

    Piston
    • Patent number D286780
    • Issue date Nov 18, 1986
    • AE PLC
    • John G. Collyear
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Piston
    • Patent number D286781
    • Issue date Nov 18, 1986
    • AE PLC
    • John G. Collyear
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Pistons
    • Patent number 4,535,682
    • Issue date Aug 20, 1985
    • AE PLC
    • John G. Collyear
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS