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Pantcho Stoyanov

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  • West Hartford, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Self-lubricating, wear resistant piston seal
    • Patent number 12,158,210
    • Issue date Dec 3, 2024
    • RTX Corporation
    • Kelly M. Harrington
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seals and methods of making seals
    • Patent number 12,060,796
    • Issue date Aug 13, 2024
    • RTX Corporation
    • Pantcho Stoyanov
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Seals and methods of making seals
    • Patent number 12,055,043
    • Issue date Aug 6, 2024
    • RTX Corporation
    • Pantcho P. Stoyanov
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Low friction, wear resistant piston seal
    • Patent number 11,976,732
    • Issue date May 7, 2024
    • RTX Corporation
    • Pantcho P. Stoyanov
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Self-lubricating blade root/disk interface
    • Patent number 11,952,916
    • Issue date Apr 9, 2024
    • RTX Corporation
    • Pantcho P. Stoyanov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Seal seat insert for gas turbine engines
    • Patent number 11,859,497
    • Issue date Jan 2, 2024
    • RTX Corporation
    • Pantcho P. Stoyanov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Carbon seal assembly
    • Patent number 11,746,907
    • Issue date Sep 5, 2023
    • RTX Corporation
    • Pantcho P. Stoyanov
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bushing for variable vane in a gas turbine engine
    • Patent number 11,746,665
    • Issue date Sep 5, 2023
    • RTX Corporation
    • Pantcho P. Stoyanov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    High pressure compressor seal-ring with improved wear resistance
    • Patent number 11,739,842
    • Issue date Aug 29, 2023
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Low friction carbon—carbon seal assembly
    • Patent number 11,719,114
    • Issue date Aug 8, 2023
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Carbon seal assembly
    • Patent number 11,692,449
    • Issue date Jul 4, 2023
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Seals and methods of making seals
    • Patent number 11,643,939
    • Issue date May 9, 2023
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Carbon seal assembly
    • Patent number 11,619,237
    • Issue date Apr 4, 2023
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Low friction, wear resistant variable vane bushing
    • Patent number 11,566,535
    • Issue date Jan 31, 2023
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Seal assembly for gas turbine engine
    • Patent number 11,560,808
    • Issue date Jan 24, 2023
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Method of inspecting component surface with marking media
    • Patent number 11,480,500
    • Issue date Oct 25, 2022
    • Raytheon Technologies Corporation
    • Pantcho Stoyanov
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Wear resistant, self-lubricating static seal
    • Patent number 11,448,082
    • Issue date Sep 20, 2022
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Bushing for variable vane in a gas turbine engine
    • Patent number 11,346,235
    • Issue date May 31, 2022
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Seal seat insert for gas turbine engines
    • Patent number 11,339,675
    • Issue date May 24, 2022
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gas turbine engine including seal assembly with abradable coating a...
    • Patent number 11,313,280
    • Issue date Apr 26, 2022
    • Raytheon Technologies Corporation
    • Agnieszka M. Wusatowska-Sarnek
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gas turbine engine including seal assembly with abradable coating i...
    • Patent number 11,313,281
    • Issue date Apr 26, 2022
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gas turbine engine including seal assembly with abradable coating i...
    • Patent number 11,293,351
    • Issue date Apr 5, 2022
    • Raytheon Technologies Corporation
    • Agnieszka M. Wusatowska-Sarnek
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Low friction, wear resistant piston seal
    • Patent number 11,255,432
    • Issue date Feb 22, 2022
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multilayer abradable coating
    • Patent number 11,209,010
    • Issue date Dec 28, 2021
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Seals and methods of making seals
    • Patent number 11,208,907
    • Issue date Dec 28, 2021
    • Raytheon Technologies Corporation
    • Pantcho Stoyanov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Low friction, wear resistant dry face carbon seal—seal seat assembly
    • Patent number 11,193,384
    • Issue date Dec 7, 2021
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Seal ring assembly for a gas turbine engine
    • Patent number 11,149,651
    • Issue date Oct 19, 2021
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    High pressure compressor seal-ring with improved wear resistance
    • Patent number 11,149,854
    • Issue date Oct 19, 2021
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gas turbine engine seal ring assembly
    • Patent number 10,920,617
    • Issue date Feb 16, 2021
    • RAYTHEON TECHNOLOGIES CORPORATION
    • Pantcho P. Stoyanov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Interference fit with high friction material
    • Patent number 10,808,712
    • Issue date Oct 20, 2020
    • Raytheon Technologies Corporation
    • Pantcho Stoyanov
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    CARBON SEAL ASSEMBLY
    • Publication number 20230323782
    • Publication date Oct 12, 2023
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    CARBON SEAL ASSEMBLY
    • Publication number 20230323951
    • Publication date Oct 12, 2023
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SEALS AND METHODS OF MAKING SEALS
    • Publication number 20230184124
    • Publication date Jun 15, 2023
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SEAL SEAT INSERT FOR GAS TURBINE ENGINES
    • Publication number 20220412223
    • Publication date Dec 29, 2022
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    LOW FRICTION, WEAR RESISTANT PISTON SEAL
    • Publication number 20220325797
    • Publication date Oct 13, 2022
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BUSHING FOR VARIABLE VANE IN A GAS TURBINE ENGINE
    • Publication number 20220282629
    • Publication date Sep 8, 2022
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    SEALS AND METHODS OF MAKING SEALS
    • Publication number 20220120187
    • Publication date Apr 21, 2022
    • Raytheon Technologies Corporation
    • Pantcho Stoyanov
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    SEALS AND METHODS OF MAKING SEALS
    • Publication number 20220065122
    • Publication date Mar 3, 2022
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SELF-LUBRICATING BLADE ROOT/DISK INTERFACE
    • Publication number 20220049611
    • Publication date Feb 17, 2022
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    GAS TURBINE ENGINE INCLUDING SEAL ASSEMBLY WITH ABRADABLE COATING A...
    • Publication number 20220018290
    • Publication date Jan 20, 2022
    • Raytheon Technologies Corporation
    • Agnieszka M. Wusatowska-Sarnek
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    GAS TURBINE ENGINE INCLUDING SEAL ASSEMBLY WITH ABRADABLE COATING I...
    • Publication number 20220018291
    • Publication date Jan 20, 2022
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    GAS TURBINE ENGINE INCLUDING SEAL ASSEMBLY WITH ABRADABLE COATING I...
    • Publication number 20220018289
    • Publication date Jan 20, 2022
    • Raytheon Technologies Corporation
    • Agnieszka M. Wusatowska-Sarnek
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    WEAR RESISTANT, SELF-LUBRICATING STATIC SEAL
    • Publication number 20220003125
    • Publication date Jan 6, 2022
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    HIGH PRESSURE COMPRESSOR SEAL-RING WITH IMPROVED WEAR RESISTANCE
    • Publication number 20210372525
    • Publication date Dec 2, 2021
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    LOW FRICTION, WEAR RESISTANT VARIABLE VANE BUSHING
    • Publication number 20210363896
    • Publication date Nov 25, 2021
    • Raytheon Technologies Corporation
    • Pantcho P. Stoyanov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SELF-LUBRICATING, WEAR RESISTANT PISTON SEAL
    • Publication number 20210270369
    • Publication date Sep 2, 2021
    • Raytheon Technologies Corporation
    • Kelly M. Harrington
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CARBON SEAL ASSEMBLY
    • Publication number 20210254719
    • Publication date Aug 19, 2021
    • United Technologies Corporation
    • Pantcho P. Stoyanov
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    CARBON SEAL ASSEMBLY
    • Publication number 20210254486
    • Publication date Aug 19, 2021
    • United Technologies Corporation
    • Pantcho P. Stoyanov
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    CARBON SEAL ASSEMBLY
    • Publication number 20210254628
    • Publication date Aug 19, 2021
    • United Technologies Corporation
    • Pantcho P. Stoyanov
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    SEAL SEAT INSERT FOR GAS TURBINE ENGINES
    • Publication number 20210079801
    • Publication date Mar 18, 2021
    • United Technologies Corporation
    • Pantcho P. Stoyanov
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    LOW FRICTION CARBON - CARBON SEAL ASSEMBLY
    • Publication number 20210062665
    • Publication date Mar 4, 2021
    • United Technologies Corporation
    • Pantcho P. Stoyanov
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    SEAL RING ASSEMBLY FOR A GAS TURBINE ENGINE
    • Publication number 20210040892
    • Publication date Feb 11, 2021
    • United Technologies Corporation
    • Pantcho P. Stoyanov
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    BUSHING FOR VARIABLE VANE IN A GAS TURBINE ENGINE
    • Publication number 20200386108
    • Publication date Dec 10, 2020
    • United Technologies Corporation
    • Pantcho P. Stoyanov
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    LOW FRICTION, WEAR RESISTANT PISTON SEAL
    • Publication number 20200318737
    • Publication date Oct 8, 2020
    • United Technologies Corporation
    • Pantcho P. Stoyanov
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    HIGH PRESSURE COMPRESSOR SEAL-RING WITH IMPROVED WEAR RESISTANCE
    • Publication number 20200256467
    • Publication date Aug 13, 2020
    • United Technologies Corporation
    • Pantcho P. Stoyanov
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    METHOD OF INSPECTING COMPONENT SURFACE WITH MARKING MEDIA
    • Publication number 20200141836
    • Publication date May 7, 2020
    • United Technologies Corporation
    • Pantcho Stoyanov
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    SEAL ASSEMBLY FOR GAS TURBINE ENGINE
    • Publication number 20200088054
    • Publication date Mar 19, 2020
    • United Technologies Corporation
    • Pantcho P. Stoyanov
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    LOW FRICTION, WEAR RESISTANT DRY FACE CARBON SEAL - SEAL SEAT ASSEMBLY
    • Publication number 20200088055
    • Publication date Mar 19, 2020
    • United Technologies Corporation
    • Pantcho P. Stoyanov
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    TURBINE BLADES AND VANES FOR GAS TURBINE ENGINE
    • Publication number 20200056483
    • Publication date Feb 20, 2020
    • United Technologies Corporation
    • William J. Joost
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    GAS TURBINE ENGINE SEAL RING ASSEMBLY
    • Publication number 20200056506
    • Publication date Feb 20, 2020
    • United Technologies Corporation
    • Pantcho P. Stoyanov
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS