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Michael DiFrancesco

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  • Waterbury, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Non-contact seal assembly with chamfered seal shoe
    • Patent number 11,415,227
    • Issue date Aug 16, 2022
    • Raytheon Technologies Corporation
    • Conway Chuong
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Halo seal separate scallop support
    • Patent number 10,830,080
    • Issue date Nov 10, 2020
    • Raytheon Technologies Corporation
    • Michael L. DiFrancesco
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hydrostatic seal with abradable teeth for gas turbine engine
    • Patent number 10,822,983
    • Issue date Nov 3, 2020
    • RAYTHEON TECHNOLOGIES CORPORTATION
    • Michael L. DiFrancesco
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Guided non-contact seal assembly
    • Patent number 10,815,809
    • Issue date Oct 27, 2020
    • Raytheon Technologies Corporation
    • Michael L. DiFrancesco
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Non-contact seal with angled land
    • Patent number 10,760,442
    • Issue date Sep 1, 2020
    • Raytheon Technologies Corporation
    • Michael L. DiFrancesco
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Bearing-supported seal
    • Patent number 10,731,496
    • Issue date Aug 4, 2020
    • Raytheon Technologies Corporation
    • Michael L. DiFrancesco
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Separate secondary seal support rail for seal
    • Patent number 10,731,497
    • Issue date Aug 4, 2020
    • Raytheon Technologies Corporation
    • Michael L. DiFrancesco
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Hydrostatic non-contact seal with dual material
    • Patent number 10,718,270
    • Issue date Jul 21, 2020
    • Raytheon Technologies Corporation
    • Conway Chuong
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Dual hydorstatic seal assembly
    • Patent number 10,626,744
    • Issue date Apr 21, 2020
    • United Technologies Corporation
    • Michael L. DiFrancesco
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

  • Information Patent Application

    HYDROSTATIC SEAL WITH SEAL STOPS
    • Publication number 20210062669
    • Publication date Mar 4, 2021
    • United Technologies Corporation
    • Conway Chuong
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    NON-CONTACT SEAL ASSEMBLY WITH CHAMFERED SEAL SHOE
    • Publication number 20210054937
    • Publication date Feb 25, 2021
    • Conway Chuong
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    GUIDED NON-CONTACT SEAL ASSEMBLY
    • Publication number 20200102845
    • Publication date Apr 2, 2020
    • United Technologies Corporation
    • Michael L. DiFrancesco
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HALO SEAL SEPARATE SCALLOP SUPPORT
    • Publication number 20200102846
    • Publication date Apr 2, 2020
    • United Technologies Corporation
    • Michael L. DiFrancesco
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HYDROSTATIC SEAL WITH ABRADABLE TEETH FOR GAS TURBINE ENGINE
    • Publication number 20200025097
    • Publication date Jan 23, 2020
    • United Technologies Corporation
    • Michael L. DiFrancesco
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SEPARATE SECONDARY SEAL SUPPORT RAIL FOR SEAL
    • Publication number 20190242266
    • Publication date Aug 8, 2019
    • United Technologies Corporation
    • Michael L. DiFrancesco
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    NON-CONTACT SEAL WITH ANGLED LAND
    • Publication number 20190218926
    • Publication date Jul 18, 2019
    • United Technologies Corporation
    • Michael L. DiFrancesco
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    BEARING-SUPPORTED SEAL
    • Publication number 20190218927
    • Publication date Jul 18, 2019
    • United Technologies Corporation
    • Michael L. DiFrancesco
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    DUAL HYDROSTATIC SEAL ASSEMBLY
    • Publication number 20190101014
    • Publication date Apr 4, 2019
    • United Technologies Corporation
    • Michael L. DiFrancesco
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HYDROSTATIC NON-CONTACT SEAL WITH DUAL MATERIAL
    • Publication number 20180363562
    • Publication date Dec 20, 2018
    • United Technologies Corporation
    • Conway Chuong
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...