CompanyCompetitive AnalysisCompany Patent Opposition Analysis

Explore patent oppositions filed by Tenneco against competitors, revealing strategic technology disputes and market positioning. Monitor opposition details, timelines, and disputed innovations to understand competitive dynamics and IP enforcement strategy.

Last updated on: Aug 21, 2025
Patent NumberTitleApplicantOpposition Date

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Exhaust Aftertreatment DeviceDONALDSONSep 8, 2021
Modular Mixer For Exhaust AssemblyFAURECIA EMISSIONS CONTROLFeb 3, 2020
MixerEBERSPCHER EXHAUST TECHNOLOGYJul 30, 2019
Exhaust Gas Reduction Unit For Internal Combustion EngineOFFICINE METALLURGICHE G CORNAGLIAApr 24, 2019
Exhaust Gas Purification DeviceFUTABA INDUSTRIALApr 16, 2019
Exhaust Gas Post Treatment SystemROBERT BOSCHMay 8, 2018
Dosing And Mixing Arrangement For Use In Exhaust AftertreatmentDONALDSONMar 12, 2018
Exhaust Gas Treatment DeviceEBERSPCHER EXHAUST TECHNOLOGYFeb 5, 2018
Assembly Unit Of An Exhaust System Composed Of Components Made Of Different Materials With Improved DurabilityEBERSPCHER EXHAUST TECHNOLOGYFeb 5, 2018
Exhaust Gas Aftertreatment DeviceCUMMINS EMISSION SOLUTIONSJan 4, 2018

Explore Tenneco's recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Aug 21, 2025
Patent NumberGrant DateTitleTotal Oppositions
Dec 21, 2022Engine Piston1
Feb 19, 2020Mix Box1
May 29, 2019Piston Assembly Including A Polymer Coating With Hard Particles Applied To Sliding Surfaces1

Top competitors of Tenneco

Top competitors of Tenneco based on patent oppositions.