CompanyCompetitive AnalysisCompany Patent Opposition Analysis

Explore patent oppositions filed by Donaldson 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 7, 2025
Patent NumberTitleApplicantOpposition Date

Get instant updates on new opposition filings by the company

Air Cleaner With High Performance Seal And MediaPARKER HANNIFINFeb 10, 2025
Side Entry Wave Seal Air CleanerPARKER HANNIFINJul 19, 2024
Wave Seal For Filter ElementPARKER HANNIFINJun 11, 2024
Air Cleaner With High Performance Seal And MediaPARKER HANNIFINMar 15, 2023
Fluid Filter With Secondary Filter Element Of Lightweight ConstructionMANNHUMMELSep 22, 2022
Surface Coated Filter And MethodBALDWIN FILTERSJul 28, 2021
Filter AssemblyMANNHUMMELJan 11, 2021
Filter System With Filter ElementMANNHUMMELSep 5, 2019
Filter Element Of A Filter For Filtering Fluids, And FilterMANNHUMMELFeb 28, 2019
Filter Device And Filter ElementHYDAC FILTERTECHNIKAug 28, 2018

Explore Donaldson'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 7, 2025
Patent NumberGrant DateTitleTotal Oppositions
Dec 27, 2023Exhaust Aftertreatment Device1
Aug 30, 2023Air Filter Cartridge1
Nov 30, 2022Filter Cartridge1
Jul 27, 2022Air Cleaner Assemblies And Cartridge1
Dec 22, 2021Pleated Filtration Media Having Tapered Flutes1
Oct 6, 2021Filter Elements, Air Cleaner Assemblies, And Methods Of Use And Assembly1
Dec 9, 2020System Composed Of An Apparatus For Treating A Fluid, A Handheld Device And A Method For Operating Such A System1
Aug 12, 2020Dosing And Mixing Arrangement For Use In Exhaust Aftertreatment1
Apr 8, 2020Filter Cartridge For An Air Cleaner Assembly1

Top competitors of Donaldson

List of top competitors of Donaldson based on patent oppositions.