David Frederick Brookes

Person

  • Birmingham, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Alternative voltage measurement over extended operating conditions

    • Patent number 12,013,420
    • Issue date Jun 18, 2024
    • Hamilton Sundstrand Corporation
    • Nageswara Rao Kalluri
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Electric machines

    • Patent number 11,811,283
    • Issue date Nov 7, 2023
    • Rolls-Royce PLC
    • David F. Brookes
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electrical systems

    • Patent number 11,646,579
    • Issue date May 9, 2023
    • Rolls-Royce PLC
    • Stephen M Husband
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Electrical system having two rotary electric machines coupled to tw...

    • Patent number 11,532,937
    • Issue date Dec 20, 2022
    • Rolls-Royce PLC
    • David F Brookes
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gas turbine engine

    • Patent number 11,512,644
    • Issue date Nov 29, 2022
    • Rolls-Royce PLC
    • Graham P Bruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Power electronics unit

    • Patent number 11,492,135
    • Issue date Nov 8, 2022
    • Rolls-Royce PLC
    • David F Brookes
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Single event effect mitigation

    • Patent number 11,409,609
    • Issue date Aug 9, 2022
    • Rolls-Royce PLC
    • David F Brookes
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Turboelectric generator system

    • Patent number 11,316,458
    • Issue date Apr 26, 2022
    • Rolls-Royce PLC
    • Mark Sweet
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electrical machine rotor

    • Patent number 11,025,112
    • Issue date Jun 1, 2021
    • Rolls-Royce PLC
    • David F Brookes
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Axial piston pump having a piston housing having fixed field member...

    • Patent number 10,677,207
    • Issue date Jun 9, 2020
    • Rolls-Royce PLC
    • Luke Ashton
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Aero-engine low pressure pump

    • Patent number 10,197,062
    • Issue date Feb 5, 2019
    • Rolls-Royce PLC
    • David Brookes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump

    • Patent number 10,174,760
    • Issue date Jan 8, 2019
    • Rolls-Royce PLC
    • David Brookes
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Icing prevention of a gas turbine engine pressure sensing assembly

    • Patent number 10,030,536
    • Issue date Jul 24, 2018
    • Rolls-Royce PLC
    • David Brookes
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Surface mountable, toroid magnetic device

    • Patent number 9,875,838
    • Issue date Jan 23, 2018
    • Rolls-Royce PLC
    • David Brookes
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    CURRENT LIMIT STRATEGY FOR HOIST APPLICATION

    • Publication number 20240322723
    • Publication date Sep 26, 2024
    • HAMILTON SUNDSTRAND CORPORATION
    • Anil Prasad Josyula
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    METHOD FOR TESTING THE OPERATION OF A NEXT GENERATION RESCUE HOIST

    • Publication number 20230393025
    • Publication date Dec 7, 2023
    • Goodrich Actuation Systems Limited
    • David BROOKES
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    ALTERNATIVE VOLTAGE MEASUREMENT OVER EXTENDED OPERATING CONDITIONS

    • Publication number 20230305041
    • Publication date Sep 28, 2023
    • HAMILTON SUNDSTRAND CORPORATION
    • Nageswara Rao Kalluri
    • G01 - MEASURING TESTING
  • Information Patent Application

    GATE DRIVE GROUNDING SCHEME IN MOTOR DRIVE SYSTEMS FOR WIDE INPUT D...

    • Publication number 20230231504
    • Publication date Jul 20, 2023
    • HAMILTON SUNDSTRAND CORPORATION
    • Pravinsharma Kaliyannan Eswaran
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRICAL SYSTEMS

    • Publication number 20230160344
    • Publication date May 25, 2023
    • Rolls-Royce plc
    • Graham P. BRUCE
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    OPTIMAL LVDT/RVDT DEMODULATION USING A HYBRID ALGORITHM

    • Publication number 20220397428
    • Publication date Dec 15, 2022
    • HAMILTON SUNDSTRAND CORPORATION
    • Ashish Vijay
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    GAS TURBINE ENGINE

    • Publication number 20220049658
    • Publication date Feb 17, 2022
    • Rolls-Royce plc
    • Graham P BRUCE
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    GAS TURBINE ENGINE

    • Publication number 20210172334
    • Publication date Jun 10, 2021
    • Rolls-Royce plc
    • David F. Brookes
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    TURBOELECTRIC GENERATOR SYSTEM

    • Publication number 20210126567
    • Publication date Apr 29, 2021
    • Rolls-Royce plc
    • Mark SWEET
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    ELECTRICAL SYSTEMS

    • Publication number 20210070463
    • Publication date Mar 11, 2021
    • Rolls-Royce plc
    • Stephen M. HUSBAND
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ELECTRIC MACHINES

    • Publication number 20210075284
    • Publication date Mar 11, 2021
    • Rolls-Royce plc
    • David F. BROOKES
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRICAL SYSTEMS

    • Publication number 20210071573
    • Publication date Mar 11, 2021
    • Rolls-Royce plc
    • David F BROOKES
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRICAL SYSTEMS

    • Publication number 20210071583
    • Publication date Mar 11, 2021
    • Rolls-Royce plc
    • Graham P. BRUCE
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    POWER ELECTRONICS UNIT

    • Publication number 20210061486
    • Publication date Mar 4, 2021
    • Rolls-Royce plc
    • David F. BROOKES
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    SINGLE EVENT EFFECT MITIGATION

    • Publication number 20200183790
    • Publication date Jun 11, 2020
    • Rolls-Royce plc
    • David F BROOKES
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    ELECTRICAL MACHINE ROTOR

    • Publication number 20190074739
    • Publication date Mar 7, 2019
    • Rolls-Royce plc
    • David F BROOKES
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    AXIAL PISTON PUMP

    • Publication number 20170328323
    • Publication date Nov 16, 2017
    • Rolls-Royce plc
    • Luke ASHTON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AERO-ENGINE LOW PRESSURE PUMP

    • Publication number 20170184111
    • Publication date Jun 29, 2017
    • Rolls-Royce plc
    • David BROOKES
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP

    • Publication number 20170184095
    • Publication date Jun 29, 2017
    • Rolls-Royce plc
    • David BROOKES
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP

    • Publication number 20170114787
    • Publication date Apr 27, 2017
    • ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED
    • David Brookes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ICING PREVENTION OF A GAS TURBINE ENGINE PRESSURE SENSING ASSEMBLY

    • Publication number 20160237847
    • Publication date Aug 18, 2016
    • ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED
    • David BROOKES
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    SURFACE MOUNTABLE, TOROID MAGNETIC DEVICE

    • Publication number 20160118176
    • Publication date Apr 28, 2016
    • ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED
    • David BROOKES
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Temperature Sensing

    • Publication number 20080291964
    • Publication date Nov 27, 2008
    • Goodrich Control Systems Limited
    • Peter Shrimpling
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES