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Carbon seal assembly
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Patent number 12,291,970
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Issue date May 6, 2025
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RTX Corporation
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Pantcho P. Stoyanov
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Seal assembly for a turbomachine
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Patent number 12,270,303
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Issue date Apr 8, 2025
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General Electric Company
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Srinivasan Swaminathan
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Carbon face seal
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Patent number 12,060,797
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Issue date Aug 13, 2024
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RTX Corporation
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Andrew V. Schwendenmann
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Molten metal rotor with hardened blade tips
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Patent number 11,933,324
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Issue date Mar 19, 2024
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Molten Metal Equipment Innovations, LLC
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Paul V. Cooper
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F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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Low friction carbon—carbon seal assembly
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Patent number 11,719,114
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Issue date Aug 8, 2023
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Raytheon Technologies Corporation
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Pantcho P. Stoyanov
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Carbon seal assembly
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Patent number 11,692,449
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Issue date Jul 4, 2023
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Raytheon Technologies Corporation
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Pantcho P. Stoyanov
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Reinforced blade
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Patent number 11,674,398
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Issue date Jun 13, 2023
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RATIER-FIGEAC SAS
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Pascal Amat
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Metal surface preparation
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Patent number 11,623,430
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Issue date Apr 11, 2023
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General Electric Company
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Manuel Acosta
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B32 - LAYERED PRODUCTS
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Seal assembly for gas turbine engine
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Patent number 11,560,808
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Issue date Jan 24, 2023
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Raytheon Technologies Corporation
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Pantcho P. Stoyanov
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Water pump
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Patent number 11,506,216
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Issue date Nov 22, 2022
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HANON SYSTEMS EFP DEUTSCHLAND GMBH
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Ernesto Giovanni Arnoldi
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Composite liners for turbofan engines
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Patent number 11,506,083
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Issue date Nov 22, 2022
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Rolls-Royce Corporalion
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Matthew J. Kappes
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Electromagnetic carbon seal system
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Patent number 11,473,506
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Issue date Oct 18, 2022
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Rolls-Royce North American Technologies Inc.
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Timothy Unton
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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-
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Turbine blade with abradable tip
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Patent number 11,346,232
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Issue date May 31, 2022
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Rolls-Royce Corporation
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Aaron D. Sippel
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Reinforced blade
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Patent number 11,313,230
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Issue date Apr 26, 2022
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RATIER-FIGEAC SAS
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Pascal Amat
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Seal face plate cooling
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Patent number 11,274,564
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Issue date Mar 15, 2022
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Raytheon Technologies Corporation
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Ronnie K. Kovacik
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F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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Co-molded metallic fan case containment ring
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Patent number 11,236,765
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Issue date Feb 1, 2022
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Raytheon Technologies Corporation
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Colin J. Kling
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Seal runner and method
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Patent number 11,203,948
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Issue date Dec 21, 2021
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Pratt & Whitney Canada Corp.
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Michel Labbe
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Gas turbine engine
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Patent number 11,156,118
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Issue date Oct 26, 2021
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Rolls-Royce PLC
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Guy D. Snowsill
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Turbofan engine and core link therefore
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Patent number 11,111,856
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Issue date Sep 7, 2021
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Pratt & Whitney Canada Corp.
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Bryan William Olver
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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