TREA

John Hoptroff

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  • Derby, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cooling system for a gas turbine engine
    • Patent number 7,625,171
    • Issue date Dec 1, 2009
    • Rolls-Royce PLC
    • Alan R Maguire
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Retaining arrangement
    • Patent number 7,287,961
    • Issue date Oct 30, 2007
    • Rolls-Royce PLC
    • Peter Broadhead
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas turbine engine rotor disc with cooling fluid passage
    • Patent number 5,888,049
    • Issue date Mar 30, 1999
    • Rolls-Royce plc
    • Peter Broadhead
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Cooling system for a gas turbine engine
    • Publication number 20060222486
    • Publication date Oct 5, 2006
    • Alan R. Maguire
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Retaining arrangement
    • Publication number 20050095136
    • Publication date May 5, 2005
    • Peter Broadhead
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES