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Patent Oppositions in engine parts industry

Explore the competitive field of engine parts where companies are constantly innovating to stay ahead. Discover the latest patent opposition trends, top companies filing and facing patent oppositions, and the most recent patents under dispute. Stay informed on patent activity in engine parts technology and learn how to protect your intellectual property.

Explore the top companies that have filed the most patent oppositions in the technology industry.

Explore the top companies that have faced the most patent oppositions in the technology industry.

Explore the top law firms that have filed the most patent oppositions in the technology industry.

Patent challenges are becoming increasingly common in the engine parts industry as companies work to protect their innovations in a highly competitive market. These legal battles can significantly impact the development and release of new technologies. Below is a list of the latest patents that have been opposed in the engine parts industry, offering a snapshot of the ongoing struggles over intellectual property rights. For anyone involved in this industry, understanding these patent disputes is essential for navigating its future.

Last updated on: Jan 1, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Scoop Assembly For Rotational EquipmentRTXJul 7, 2025SAFRAN AIRCRAFT ENGINES
Non-Contacting Seals For Geared Gas Turbine Engine Bearing CompartmentsRAYTHEONMay 7, 2025SAFRAN AIRCRAFT ENGINES
Bearing Housing And Method Of MakingPRATT & WHITNEY CANADASep 3, 2024SAFRAN AIRCRAFT ENGINES
Gas Turbine Engine With Core MountROLLS ROYCEAug 26, 2024SAFRAN AIRCRAFT ENGINES
Gas Turbine Engine Bearing Compartment Comprising A Radial Seal Arrangement With Axially Elongated Oil Cooled RunnerRTXApr 26, 2024SAFRAN AIRCRAFT ENGINES
Geared Gas Turbine Engine With Reduced Oil Tank SizeRTXJan 26, 2024SAFRAN AIRCRAFT ENGINES
System And Process For Designing Internal Components For A Gas Turbine EngineRTXOct 17, 2023SAFRAN AIRCRAFT ENGINES
Geared Architecture Turbofan Engine Thermal Management System And MethodRTXAug 28, 2023SAFRAN AIRCRAFT ENGINES
Assembly For A Turbomachine Turbine And Associated TurbomachineSAFRAN AIRCRAFT ENGINESFeb 13, 2023RAYTHEON
Multi-Circuit Lubrication System For A Turbine EngineRAYTHEONFeb 3, 2023SAFRAN AIRCRAFT ENGINES

To stay ahead in the competitive engine parts industry, companies are constantly innovating. Here are the top patents facing oppositions in the engine parts industry. Stay informed on the latest opposition trends and learn how to protect your intellectual property.

Last updated on: Jan 1, 2026
Patent NumberPublication DateTitleApplicantTotal Oppositions
Aug 29, 2018Geared Architecture For High Speed And Small Volume Fan Drive TurbineUNITED2
Jul 12, 2017Geared Architecture For High Speed And Small Volume Fan Drive TurbineUNITED2
Aug 23, 2017Geared Architecture For High Speed And Small Volume Fan Drive TurbineUNITED2
May 11, 2022Assembly For A Turbomachine Turbine And Associated TurbomachineSAFRAN AIRCRAFT ENGINES2
Aug 2, 2017Barrier Sealing System For Centrifugal CompressorsGENERAL ELECTRIC1
Nov 15, 2017Bearing Structure For Rotating Machine, Rotating Machine, Method Of Producing Bearing Structure, And Method Of Producing Rotating MachineIHI1
Aug 18, 2021Aeroengine Thrust ReverserROLLS ROYCE1
Mar 9, 2022A Fan Casing For A Gas Turbine EngineROLLS ROYCE1
Jul 4, 2018Cooling ArrangementROLLS ROYCE1
Aug 29, 2018Gas Turbine Bearing Oil System With Oil RecirculationROLLS ROYCE DEUTSCHLAND1