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Frederic WITHAM

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  • Bristol, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Combustor apparatus
    • Patent number 12,228,283
    • Issue date Feb 18, 2025
    • Rolls-Royce PLC
    • Frederic Witham
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Combustor assembly
    • Patent number 12,104,794
    • Issue date Oct 1, 2024
    • Rolls-Royce PLC
    • Frederic Witham
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Combustion chamber with particle separator
    • Patent number 11,598,525
    • Issue date Mar 7, 2023
    • Rolls-Royce PLC
    • Stephen C Harding
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel spray nozzle for a gas turbine engine
    • Patent number 11,041,624
    • Issue date Jun 22, 2021
    • Rolls-Royce PLC
    • Frederic Witham
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Fuel injector with interweaved pilot and mains passages
    • Patent number 10,753,614
    • Issue date Aug 25, 2020
    • Rolls-Royce PLC
    • Ian M Garry
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Cooling apparatus for a fuel injector
    • Patent number 10,677,467
    • Issue date Jun 9, 2020
    • Rolls-Royce PLC
    • Frederic Witham
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES

Patents Applicationslast 30 patents

  • Information Patent Application

    COMBUSTOR APPARATUS
    • Publication number 20240392966
    • Publication date Nov 28, 2024
    • Rolls-Royce plc
    • Frederic WITHAM
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    COMBUSTOR ASSEMBLY
    • Publication number 20240085020
    • Publication date Mar 14, 2024
    • Rolls-Royce plc
    • Frederic WITHAM
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    COMBUSTOR ASSEMBLY
    • Publication number 20240053010
    • Publication date Feb 15, 2024
    • Rolls-Royce plc
    • Frederic WITHAM
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    COMBUSTION CHAMBER WITH PARTICLE SEPARATOR
    • Publication number 20210222880
    • Publication date Jul 22, 2021
    • Rolls-Royce plc
    • Stephen C. Harding
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    FUEL INJECTOR
    • Publication number 20180283693
    • Publication date Oct 4, 2018
    • Rolls-Royce plc
    • Ian M. GARRY
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FUEL INJECTOR
    • Publication number 20180195727
    • Publication date Jul 12, 2018
    • Rolls-Royce plc
    • Frederic Witham
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    FUEL INJECTOR
    • Publication number 20180195726
    • Publication date Jul 12, 2018
    • Rolls-Royce plc
    • Frederic WITHAM
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    FUEL INJECTOR
    • Publication number 20180195728
    • Publication date Jul 12, 2018
    • Rolls-Royce plc
    • Mike OJ CARUSO
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    COOLING APPARATUS FOR A FUEL INJECTOR
    • Publication number 20170067641
    • Publication date Mar 9, 2017
    • Rolls-Royce plc
    • Frederic WITHAM
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FUEL SPRAY NOZZLE FOR A GAS TURBINE ENGINE
    • Publication number 20170009995
    • Publication date Jan 12, 2017
    • Rolls-Royce plc
    • Frederic WITHAM
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS