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Masayoshi Sonokawa

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  • West Hartford, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coil spring carbon face seal
    • Patent number 11,946,548
    • Issue date Apr 2, 2024
    • RTX Corporation
    • Masayoshi Sonokawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cartridge seal assembly for rotational equipment
    • Patent number 11,578,803
    • Issue date Feb 14, 2023
    • Raytheon Technologies Corporation
    • Masayoshi Sonokawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Seal assembly for use in gas turbine engines
    • Patent number 11,371,373
    • Issue date Jun 28, 2022
    • Raytheon Technologies Corporation
    • Masayoshi Sonokawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pressure balanced secondary seal
    • Patent number 10,655,487
    • Issue date May 19, 2020
    • Raytheon Technologies Corporation
    • Masayoshi Sonokawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Buffer airflow to bearing compartment
    • Patent number 10,167,734
    • Issue date Jan 1, 2019
    • United Technologies Corporation
    • Masayoshi Sonokawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Seal assembly for arranging between a stator and a rotor
    • Patent number 9,683,451
    • Issue date Jun 20, 2017
    • United Technologies Corporation
    • Masayoshi Sonokawa
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Turbomachine secondary seal assembly
    • Patent number 9,316,119
    • Issue date Apr 19, 2016
    • United Technologies Corporation
    • Masayoshi Sonokawa
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Face seal for gas turbine engine
    • Patent number 7,984,911
    • Issue date Jul 26, 2011
    • United Technologies Corporation
    • Louis J. Dobek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Coil Spring Carbon Face Seal
    • Publication number 20220403937
    • Publication date Dec 22, 2022
    • Raytheon Technologies Corporation
    • Masayoshi Sonokawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CARTRIDGE SEAL ASSEMBLY FOR ROTATIONAL EQUIPMENT
    • Publication number 20210140547
    • Publication date May 13, 2021
    • United Technologies Corporation
    • Masayoshi Sonokawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SEAL ASSEMBLY FOR USE IN GAS TURBINE ENGINES
    • Publication number 20210123357
    • Publication date Apr 29, 2021
    • United Technologies Corporation
    • Masayoshi Sonokawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PRESSURE BALANCED SECONDARY SEAL
    • Publication number 20190249559
    • Publication date Aug 15, 2019
    • United Technologies Corporation
    • Masayoshi Sonokawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SEAL ASSEMBLY FOR ARRANGING BETWEEN A STATOR AND A ROTOR
    • Publication number 20150337674
    • Publication date Nov 26, 2015
    • Masayoshi Sonokawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    BUFFER AIRFLOW TO BEARING COMPARTMENT
    • Publication number 20150240660
    • Publication date Aug 27, 2015
    • United Technologies Corporation
    • Masayoshi Sonokawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    TURBOMACHINE SECONDARY SEAL ASSEMBLY
    • Publication number 20130069313
    • Publication date Mar 21, 2013
    • Masayoshi Sonokawa
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    FACE SEAL FOR GAS TURBINE ENGINE
    • Publication number 20090230628
    • Publication date Sep 17, 2009
    • Louis J. Dobek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...