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Mark SPRUCE

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Patents Grantslast 30 patents

  • Information Patent Grant

    High power epicyclic gearbox and operation thereof
    • Patent number 12,221,929
    • Issue date Feb 11, 2025
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Aircraft engine
    • Patent number 12,215,632
    • Issue date Feb 4, 2025
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gearboxes for aircraft gas turbine engines
    • Patent number 12,173,661
    • Issue date Dec 24, 2024
    • Rolls-Royce PLC
    • Mark Spruce
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    High power epicyclic gearbox and operation thereof
    • Patent number 12,116,938
    • Issue date Oct 15, 2024
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    High-power epicyclic gearbox and operation thereof
    • Patent number 12,065,975
    • Issue date Aug 20, 2024
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gearboxes for aircraft gas turbine engines
    • Patent number 11,946,382
    • Issue date Apr 2, 2024
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method and system for reducing cross-shaft vibrations
    • Patent number 11,898,498
    • Issue date Feb 13, 2024
    • Rolls-Royce Deutschland Ltd & Co KG
    • Greg Blake
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gearboxes for aircraft gas turbine engines
    • Patent number 11,852,081
    • Issue date Dec 26, 2023
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Shaft component and method for producing a shaft component
    • Patent number 11,840,964
    • Issue date Dec 12, 2023
    • Rolls-Royce PLC
    • Fiona Halliday
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Aircraft engine
    • Patent number 11,840,965
    • Issue date Dec 12, 2023
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Journal bearing
    • Patent number 11,788,616
    • Issue date Oct 17, 2023
    • Rolls-Royce PLC
    • Fiona Halliday
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gearboxes for aircraft gas turbine engines
    • Patent number 11,781,488
    • Issue date Oct 10, 2023
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    High power epicyclic gearbox and operation thereof
    • Patent number 11,781,487
    • Issue date Oct 10, 2023
    • Rolls-Royce PLC
    • Mark Spruce
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gearboxes for aircraft gas turbine engines
    • Patent number 11,739,660
    • Issue date Aug 29, 2023
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    High power epicyclic gearbox and operation thereof
    • Patent number 11,725,591
    • Issue date Aug 15, 2023
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gearboxes for aircraft gas turbine engines
    • Patent number 11,692,492
    • Issue date Jul 4, 2023
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Reliable gearbox for gas turbine engine
    • Patent number 11,643,974
    • Issue date May 9, 2023
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    High power epicyclic gearbox and operation thereof
    • Patent number 11,643,976
    • Issue date May 9, 2023
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gearboxes for aircraft gas turbine engines
    • Patent number 11,542,873
    • Issue date Jan 3, 2023
    • Rolls-Royce PLC
    • Mark Spruce
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Aircraft engine
    • Patent number 11,525,408
    • Issue date Dec 13, 2022
    • Rolls-Royce PLC
    • Mark Spruce
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    High power epicyclic gearbox and operation thereof
    • Patent number 11,512,648
    • Issue date Nov 29, 2022
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gearboxes for aircraft gas turbine engines
    • Patent number 11,421,552
    • Issue date Aug 23, 2022
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Aircraft engine
    • Patent number 11,408,354
    • Issue date Aug 9, 2022
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Reliable gearbox for gas turbine engine
    • Patent number 11,378,015
    • Issue date Jul 5, 2022
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gearboxes for aircraft gas turbine engines
    • Patent number 11,371,440
    • Issue date Jun 28, 2022
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Reliable gearbox for gas turbine engine
    • Patent number 11,359,548
    • Issue date Jun 14, 2022
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Turbofan gas turbine engine with gearbox
    • Patent number 11,313,438
    • Issue date Apr 26, 2022
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Turbofan gas turbine engine with gearbox
    • Patent number 11,274,729
    • Issue date Mar 15, 2022
    • Rolls-Royce plc
    • Mark Spruce
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    High power epicyclic gearbox and operation thereof
    • Patent number 11,268,452
    • Issue date Mar 8, 2022
    • Rolls-Royce PLC
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gas turbine engine having gearbox support shear stress ratio
    • Patent number 11,162,431
    • Issue date Nov 2, 2021
    • Rolls-Royce PLC
    • Mark Spruce
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    GEARED GAS TURBINE ENGINE
    • Publication number 20250035050
    • Publication date Jan 30, 2025
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    RELIABLE GEARBOX FOR GAS TURBINE ENGINE
    • Publication number 20250035051
    • Publication date Jan 30, 2025
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    HIGH POWER EPICYCLIC GEARBOX AND OPERATION THEREOF
    • Publication number 20240426252
    • Publication date Dec 26, 2024
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    HIGH POWER EPICYCLIC GEARBOX AND OPERATION THEREOF
    • Publication number 20240295193
    • Publication date Sep 5, 2024
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    AIRCRAFT ENGINE
    • Publication number 20240263587
    • Publication date Aug 8, 2024
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    GEARBOXES FOR AIRCRAFT GAS TURBINE ENGINES
    • Publication number 20240200467
    • Publication date Jun 20, 2024
    • Rolls-Royce plc
    • Mark Spruce
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    High Power Epicyclic Gearbox and Operation Thereof
    • Publication number 20240191660
    • Publication date Jun 13, 2024
    • Rolls-Royce plc
    • Mark SPRUCE
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    GEARBOXES FOR AIRCRAFT GAS TURBINE ENGINES
    • Publication number 20240077035
    • Publication date Mar 7, 2024
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    High-Power Epicyclic Gearbox and Operation Thereof
    • Publication number 20240011442
    • Publication date Jan 11, 2024
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    GEARBOXES FOR AIRCRAFT GAS TURBINE ENGINES
    • Publication number 20230399984
    • Publication date Dec 14, 2023
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    GEARBOXES FOR AIRCRAFT GAS TURBINE ENGINES
    • Publication number 20230349301
    • Publication date Nov 2, 2023
    • Rolls-Royce plc
    • Mark Spruce
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HIGH POWER EPICYCLIC GEARBOX AND OPERATION THEREOF
    • Publication number 20230296056
    • Publication date Sep 21, 2023
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    RELIABLE GEARBOX FOR GAS TURBINE ENGINE
    • Publication number 20230228218
    • Publication date Jul 20, 2023
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    AIRCRAFT ENGINE
    • Publication number 20230212986
    • Publication date Jul 6, 2023
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    HIGH POWER EPICYCLIC GEARBOX AND OPERATION THEREOF
    • Publication number 20230092426
    • Publication date Mar 23, 2023
    • Rolls-Royce plc
    • Mark Spruce
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    GEARBOXES FOR AIRCRAFT GAS TURBINE ENGINES
    • Publication number 20230075036
    • Publication date Mar 9, 2023
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SHAFT COMPONENT AND METHOD FOR PRODUCING A SHAFT COMPONENT
    • Publication number 20230054031
    • Publication date Feb 23, 2023
    • Rolls-Royce plc
    • Fiona HALLIDAY
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    JOURNAL BEARING
    • Publication number 20230044167
    • Publication date Feb 9, 2023
    • Rolls-Royce plc
    • Fiona HALLIDAY
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    GEARBOXES FOR AIRCRAFT GAS TURBINE ENGINES
    • Publication number 20220364481
    • Publication date Nov 17, 2022
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    HIGH POWER EPICYCLIC GEARBOX AND OPERATION THEREOF
    • Publication number 20220307426
    • Publication date Sep 29, 2022
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    AIRCRAFT ENGINE
    • Publication number 20220298976
    • Publication date Sep 22, 2022
    • Rolls-Royce plc
    • Mark SPRUCE
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    GEARBOXES FOR AIRCRAFT GAS TURBINE ENGINES
    • Publication number 20220298975
    • Publication date Sep 22, 2022
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    METHOD AND SYSTEM FOR REDUCING CROSS-SHAFT VIBRATIONS
    • Publication number 20220186670
    • Publication date Jun 16, 2022
    • ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    • Greg BLAKE
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    RELIABLE GEARBOX FOR GAS TURBINE ENGINE
    • Publication number 20220090541
    • Publication date Mar 24, 2022
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    AIRCRAFT ENGINE
    • Publication number 20220056852
    • Publication date Feb 24, 2022
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    GEARED GAS TURBINE ENGINE
    • Publication number 20210404390
    • Publication date Dec 30, 2021
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    GEARBOXES FOR AIRCRAFT GAS TURBINE ENGINES
    • Publication number 20210404391
    • Publication date Dec 30, 2021
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    HIGH POWER EPICYCLIC GEARBOX AND OPERATION THEREOF
    • Publication number 20210372329
    • Publication date Dec 2, 2021
    • Rolls-Royce plc
    • Mark Spruce
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    GEARBOXES FOR AIRCRAFT GAS TURBINE ENGINES
    • Publication number 20210310419
    • Publication date Oct 7, 2021
    • Rolls-Royce plc
    • Mark Spruce
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    GEARBOXES FOR AIRCRAFT GAS TURBINE ENGINES
    • Publication number 20210310373
    • Publication date Oct 7, 2021
    • Rolls-Royce plc
    • Mark Spruce
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...