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Paul M. Lutjen

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  • Kennebunkport, ME, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bolted joint of gas turbine engine
    • Patent number 12,241,380
    • Issue date Mar 4, 2025
    • RTX Corporation
    • Paul M. Lutjen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Accessible debris separator for high pressure turbine outside diame...
    • Patent number 12,241,411
    • Issue date Mar 4, 2025
    • RTX Corporation
    • Paul M Lutjen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Cooling nozzle vanes of a turbine engine
    • Patent number 12,215,604
    • Issue date Feb 4, 2025
    • RTX Corporation
    • Lawrence A. Binek
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hybrid superalloy article and method of manufacture thereof
    • Patent number 12,055,056
    • Issue date Aug 6, 2024
    • RTX Corporation
    • Brian T. Hazel
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Advanced passive clearance control (APCC) control ring produced by...
    • Patent number 12,037,912
    • Issue date Jul 16, 2024
    • RTX Corporation
    • Paul M. Lutjen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fatigue resistant blade outer air seal
    • Patent number 11,976,566
    • Issue date May 7, 2024
    • RTX Corporation
    • Brian C. McLaughlin
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Method of forming an abrasive coating on a fan blade tip
    • Patent number 11,920,245
    • Issue date Mar 5, 2024
    • RTX Corporation
    • Christopher W. Strock
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Angled brush seal and gas turbine engine component combination
    • Patent number 11,879,340
    • Issue date Jan 23, 2024
    • RTX Corporation
    • Daniel S. Rogers
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Fatigue resistant blade outer air seal
    • Patent number 11,619,136
    • Issue date Apr 4, 2023
    • Raytheon Technologies Corporation
    • Brian C. McLaughlin
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fatigue resistant blade outer air seal
    • Patent number 11,591,917
    • Issue date Feb 28, 2023
    • Raytheon Technologies Corporation
    • Brian C. McLaughlin
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Cost effective manufacturing method for GSAC incorporating a stampe...
    • Patent number 11,555,419
    • Issue date Jan 17, 2023
    • Raytheon Technologies Corporation
    • Christopher W. Strock
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Seal assembly with secondary retention feature
    • Patent number 11,492,978
    • Issue date Nov 8, 2022
    • Raytheon Technologies Corporation
    • Paul M. Lutjen
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Bifurcated sliding seal
    • Patent number 11,365,641
    • Issue date Jun 21, 2022
    • Raytheon Technologies Corporation
    • Timothy M. Davis
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Sliding seal
    • Patent number 11,359,504
    • Issue date Jun 14, 2022
    • Raytheon Technologies Corporation
    • Paul M. Lutjen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Method of forming an abrasive coating on a fan blade tip
    • Patent number 11,268,183
    • Issue date Mar 8, 2022
    • Raytheon Technologies Corporation
    • Christopher W. Strock
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Bifurcated sliding seal
    • Patent number 11,225,877
    • Issue date Jan 18, 2022
    • Raytheon Technologies Corporation
    • Timothy M. Davis
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Sliding seal
    • Patent number 11,220,923
    • Issue date Jan 11, 2022
    • Raytheon Technologies Corporation
    • Paul M. Lutjen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shaped cooling passages for turbine blade outer air seal
    • Patent number 11,193,386
    • Issue date Dec 7, 2021
    • Raytheon Technologies Corporation
    • Timothy M. Davis
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Seal assembly with secondary retention feature
    • Patent number 11,174,795
    • Issue date Nov 16, 2021
    • Raytheon Technologies Corporation
    • Paul M. Lutjen
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Sliding seal
    • Patent number 11,098,606
    • Issue date Aug 24, 2021
    • Raytheon Technologies Corporation
    • Timothy M. Davis
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Blade outer air seal for a gas turbine engine
    • Patent number 11,092,081
    • Issue date Aug 17, 2021
    • Raytheon Technologies Corporation
    • Hannah M. Pier
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Sliding seal
    • Patent number 11,085,314
    • Issue date Aug 10, 2021
    • Raytheon Technologies Corporation
    • Timothy M. Davis
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Boas flow directing arrangement
    • Patent number 11,073,036
    • Issue date Jul 27, 2021
    • Raytheon Technologies Corporation
    • Matthew James Bennison
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Seal assembly for sealing an axial gap between components
    • Patent number 11,073,034
    • Issue date Jul 27, 2021
    • Raytheon Technologies Corporation
    • Paul M. Lutjen
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    CMC heat shield
    • Patent number 11,041,399
    • Issue date Jun 22, 2021
    • Raytheon Technologies Corporation
    • Paul M. Lutjen
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Seal assembly for gas turbine engine
    • Patent number 11,021,986
    • Issue date Jun 1, 2021
    • Raytheon Technologies Corporation
    • Winston Gregory Smiddy
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fatigue resistant blade outer air seal
    • Patent number 10,961,862
    • Issue date Mar 30, 2021
    • Raytheon Technologies Corporation
    • Paul M. Lutjen
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Integrated seal and wear liner
    • Patent number 10,920,600
    • Issue date Feb 16, 2021
    • RAYTHEON TECHNOLOGIES CORPORATION
    • Ken F. Blaney
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Metering hole geometry for cooling holes in gas turbine engine
    • Patent number 10,895,167
    • Issue date Jan 19, 2021
    • Raytheon Technologies Corporation
    • Paul M. Lutjen
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Variable thickness core for gas turbine engine component
    • Patent number 10,815,827
    • Issue date Oct 27, 2020
    • Raytheon Technologies Corporation
    • Anthony B. Swift
    • B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

  • Information Patent Application

    ACCESSIBLE DEBRIS SEPARATOR FOR HIGH PRESSURE TURBINE OUTSIDE DIAME...
    • Publication number 20250075658
    • Publication date Mar 6, 2025
    • RTX Corporation
    • PAUL M. LUTJEN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    BOLTED JOINT OF GAS TURBINE ENGINE
    • Publication number 20240301805
    • Publication date Sep 12, 2024
    • Raytheon Technologies Corporation
    • Paul M. Lutjen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    GAS TURBINE ENGINE TURBINE SECTION WITH AXIAL SEAL
    • Publication number 20240141798
    • Publication date May 2, 2024
    • Raytheon Technologies Corporation
    • Paul M. Lutjen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    COOLING FEATURES FOR A COMPONENT OF A GAS TURBINE ENGINE
    • Publication number 20240125272
    • Publication date Apr 18, 2024
    • RTX Corporation
    • Billie R. Maldonado
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    BLADE OUTER AIR SEAL WITH COMPLIANT SEAL
    • Publication number 20240110488
    • Publication date Apr 4, 2024
    • Paul M. Lutjen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    COMPRESSOR INNER AIR SEAL AND METHOD OF MAKING
    • Publication number 20240102480
    • Publication date Mar 28, 2024
    • RTX Corporation
    • Christopher W. Strock
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    ADVANCED PASSIVE CLEARANCE CONTROL (APCC) CONTROL RING PRODUCED BY...
    • Publication number 20230323784
    • Publication date Oct 12, 2023
    • Raytheon Technologies Corporation
    • Paul M. Lutjen
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    FATIGUE RESISTANT BLADE OUTER AIR SEAL
    • Publication number 20230228197
    • Publication date Jul 20, 2023
    • Raytheon Technologies Corporation
    • Brian C. McLaughlin
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    BONDING METHOD FOR REPAIR OF SUPERALLOY ARTICLE
    • Publication number 20230151736
    • Publication date May 18, 2023
    • Raytheon Technologies Corporation
    • Brian T. Hazel
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    HYBRID BONDED CONFIGURATION FOR BLADE OUTER AIR SEAL (BOAS)
    • Publication number 20230151738
    • Publication date May 18, 2023
    • Raytheon Technologies Corporation
    • Paul M. Lutjen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HYBRID SUPERALLOY ARTICLE AND METHOD OF MANUFACTURE THEREOF
    • Publication number 20220403742
    • Publication date Dec 22, 2022
    • Raytheon Technologies Corporation
    • Brian T. Hazel
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    HYBRID SUPERALLOY ARTICLE AND METHOD OF MANUFACTURE THEREOF
    • Publication number 20220403755
    • Publication date Dec 22, 2022
    • Raytheon Technologies Corporation
    • Brian T. Hazel
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    METHOD OF FORMING AN ABRASIVE COATING ON A FAN BLADE TIP
    • Publication number 20220195576
    • Publication date Jun 23, 2022
    • Raytheon Technologies Corporation
    • Christopher W. Strock
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    SEAL ASSEMBLY WITH SECONDARY RETENTION FEATURE
    • Publication number 20220049659
    • Publication date Feb 17, 2022
    • Paul M. Lutjen
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    SEAL ASSEMBLY WITH SECONDARY RETENTION FEATURE
    • Publication number 20210156311
    • Publication date May 27, 2021
    • United Technologies Corporation
    • Paul M. Lutjen
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    CMC HEAT SHIELD
    • Publication number 20210131299
    • Publication date May 6, 2021
    • United Technologies Corporation
    • Paul M. Lutjen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    FATIGUE RESISTANT BLADE OUTER AIR SEAL
    • Publication number 20200386112
    • Publication date Dec 10, 2020
    • United Technologies Corporation
    • Paul M. Lutjen
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    FATIGUE RESISTANT BLADE OUTER AIR SEAL
    • Publication number 20200386105
    • Publication date Dec 10, 2020
    • United Technologies Corporation
    • Brian C. McLaughlin
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    BOAS FLOW DIRECTING ARRANGEMENT
    • Publication number 20200378269
    • Publication date Dec 3, 2020
    • United Technologies Corporation
    • Matthew James Bennison
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    GEOMETRICALLY SEGMENTED THERMAL BARRIER COATING WITH SPALL INTERRUP...
    • Publication number 20200325783
    • Publication date Oct 15, 2020
    • United Technologies Corporation
    • Christopher W. Strock
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    DIVOT PATTERN FOR THERMAL BARRIER COATING
    • Publication number 20200256206
    • Publication date Aug 13, 2020
    • United Technologies Corporation
    • Paul M. Lutjen
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    COST EFFECTIVE MANUFACTURING METHOD FOR GSAC INCORPORATING A STAMPE...
    • Publication number 20200149431
    • Publication date May 14, 2020
    • United Technologies Corporation
    • Christopher W. Strock
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    UNIFIED BOAS SUPPORT AND VANE PLATFORM
    • Publication number 20200072070
    • Publication date Mar 5, 2020
    • United Technologies Corporation
    • Ken F. Blaney
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    INTEGRATED SEAL AND WEAR LINER
    • Publication number 20200072071
    • Publication date Mar 5, 2020
    • United Technologies Corporation
    • Ken F. Blaney
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SEAL ASSEMBLY FOR SEALING AN AXIAL GAP BETWEEN COMPONENTS
    • Publication number 20200025008
    • Publication date Jan 23, 2020
    • United Technologies Corporation
    • Paul M. Lutjen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    BLADE OUTER AIR SEAL COOLING SCHEME
    • Publication number 20200025027
    • Publication date Jan 23, 2020
    • United Technologies Corporation
    • Susan M. Tholen
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    SLIDING SEAL
    • Publication number 20190353044
    • Publication date Nov 21, 2019
    • United Technologies Corporation
    • Timothy M. Davis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEAL ASSEMBLY WITH SHIELD FOR GAS TURBINE ENGINES
    • Publication number 20190323373
    • Publication date Oct 24, 2019
    • United Technologies Corporation
    • Winston Gregory Smiddy
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    THERMAL-SPRAYED BONDING OF A CERAMIC STRUCTURE TO A SUBSTRATE
    • Publication number 20190323365
    • Publication date Oct 24, 2019
    • United Technologies Corporation
    • Christopher W. Strock
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    SEAL ASSEMBLY FOR GAS TURBINE ENGINE
    • Publication number 20190316480
    • Publication date Oct 17, 2019
    • United Technologies Corporation
    • Winston Gregory Smiddy
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS