Donaldson Company
Patents, Design & Utilities

Last updated:

List of all Donaldson Company patents 370 in total

Status Patent
Grant
Utility: Air filter arrangement; assembly; and, methods External link
Filling date: 6 Sep 2025 Issue date: 31 Mar 2020
Grant
Utility: Hydrocarbon-in-water purification anion-exchange system External link
Filling date: 6 Sep 2025 Issue date: 31 Mar 2020
Application
Utility: LIQUID FILTER ARRANGEMENT; COMPONENTS; AND, METHODS External link
Filling date: 6 Sep 2025 Issue date: 19 Mar 2020
Application
Utility: HOUSING FOR FILTER ELEMENT; FILTER ELEMENT; METHODS OF USE AND MAKING External link
Filling date: 6 Sep 2025 Issue date: 19 Mar 2020
Grant
Utility: Air cleaner arrangements; serviceable filter elements; and, methods External link
Filling date: 6 Sep 2025 Issue date: 17 Mar 2020
Application
Utility: HYDROCARBON-IN-WATER PURIFICATION SYSTEM External link
Filling date: 6 Sep 2025 Issue date: 12 Mar 2020
Grant
Utility: Assemblies; components and filter features thereof; and, methods of use and assembly External link
Filling date: 6 Sep 2025 Issue date: 3 Mar 2020
Application
Utility: RECIRCULATION FILTER FOR AN ENCLOSURE External link
Filling date: 6 Sep 2025 Issue date: 27 Feb 2020
Application
Utility: FILTER ASSEMBLY FOR AN ENCLOSURE External link
Filling date: 6 Sep 2025 Issue date: 27 Feb 2020
Application
Utility: OIL COALESCING VENT ASSEMBLY External link
Filling date: 6 Sep 2025 Issue date: 27 Feb 2020
Grant
Utility: Air filter arrangements; assemblies; and, methods External link
Filling date: 6 Sep 2025 Issue date: 25 Feb 2020
Grant
Utility: Filtration media pack, filter elements, and air filtration media External link
Filling date: 6 Sep 2025 Issue date: 25 Feb 2020
Grant
Utility: Filter element with support core and methods External link
Filling date: 6 Sep 2025 Issue date: 25 Feb 2020
Application
Utility: AIR FILTER ELEMENT AND METHOD FOR PRODUCING SAME External link
Filling date: 6 Sep 2025 Issue date: 20 Feb 2020
Grant
Utility: Air filter arrangement; assembly; and, methods External link
Filling date: 6 Sep 2025 Issue date: 11 Feb 2020
Grant
Utility: Filter systems with dirty air chamber spacer elements and methods of using the same External link
Filling date: 6 Sep 2025 Issue date: 11 Feb 2020
Grant
Utility: Air filter having fluted filter media External link
Filling date: 6 Sep 2025 Issue date: 11 Feb 2020
Application
Utility: FILTER ELEMENTS, AIR CLEANER ASSEMBLIES, AND METHODS OF USE AND ASSEMBLY External link
Filling date: 6 Sep 2025 Issue date: 6 Feb 2020
Application
Utility: VENT WITH RELIEF VALVE External link
Filling date: 6 Sep 2025 Issue date: 30 Jan 2020
Grant
Utility: Integrated exhaust treatment device having compact configuration External link
Filling date: 6 Sep 2025 Issue date: 14 Jan 2020
Grant
Utility: Filter cartridges; air cleaner assemblies; housings; features; components; and, methods External link
Filling date: 6 Sep 2025 Issue date: 14 Jan 2020
Application
Utility: FILTER SYSTEMS, ELEMENTS AND METHODS WITH SHORT-RANGE WIRELESS TRACKING FEATURES External link
Filling date: 6 Sep 2025 Issue date: 9 Jan 2020
Application
Utility: PRECLEANER FOR ENGINE AIR INTAKE AND METHODS External link
Filling date: 6 Sep 2025 Issue date: 9 Jan 2020
Grant
Utility: Filtration media pack, filter element, and methods External link
Filling date: 6 Sep 2025 Issue date: 7 Jan 2020
Grant
Utility: Hydrocarbon-in-water purification system External link
Filling date: 6 Sep 2025 Issue date: 7 Jan 2020
Application
Utility: FILTER ELEMENTS, AIR CLEANER ASSEMBLIES, AND METHODS OF USE AND ASSEMBLY External link
Filling date: 6 Sep 2025 Issue date: 2 Jan 2020
Grant
Utility: Assemblies; components and filter features thereof; and, methods of use and assembly External link
Filling date: 6 Sep 2025 Issue date: 31 Dec 2019
Application
Utility: VERTICAL AIR INTAKE SYSTEM; AIR CLEANER; AND FILTER ELEMENT External link
Filling date: 6 Sep 2025 Issue date: 26 Dec 2019
Application
Utility: FILTRATION MEDIA, PLEATED MEDIA PACK, FILTER CARTRIDGE, AND METHODS FOR MANUFACTURING External link
Filling date: 6 Sep 2025 Issue date: 26 Dec 2019
Grant
Utility: Method of forming filter arrangements; and, apparatus External link
Filling date: 6 Sep 2025 Issue date: 24 Dec 2019
Grant
Utility: Pulse jet air cleaner systems, components, and, methods External link
Filling date: 6 Sep 2025 Issue date: 24 Dec 2019
Grant
Utility: Filter cartridges; air cleaner assemblies; housings; features; components; and, methods External link
Filling date: 6 Sep 2025 Issue date: 24 Dec 2019
Grant
Utility: Housing for filter element; filter element; methods of use and making External link
Filling date: 6 Sep 2025 Issue date: 24 Dec 2019
Grant
Utility: Seal arrangement for filter element; filter element assembly; and, methods External link
Filling date: 6 Sep 2025 Issue date: 17 Dec 2019
Application
Utility: SUPPORT STRUCTURE FOR PLEATED FILTER MEDIA AND METHODS External link
Filling date: 6 Sep 2025 Issue date: 12 Dec 2019
Application
Utility: FILTER MEDIA, FILTER MEDIA PACKS, AND FILTER ELEMENTS External link
Filling date: 6 Sep 2025 Issue date: 12 Dec 2019
Grant
Utility: Filter elements; air cleaner; assembly; and, methods External link
Filling date: 6 Sep 2025 Issue date: 10 Dec 2019
Application
Utility: NONWOVEN FILTRATION MEDIA INCLUDING MICROFIBRILLATED CELLULOSE FIBERS External link
Filling date: 6 Sep 2025 Issue date: 5 Dec 2019
Application
Utility: FILTER ELEMENTS; AIR CLEANER; ASSEMBLY; AND, METHODS External link
Filling date: 6 Sep 2025 Issue date: 5 Dec 2019
Grant
Utility: Liquid filter arrangement; components; and, methods External link
Filling date: 6 Sep 2025 Issue date: 3 Dec 2019
Application
Utility: FILTER ELEMENT, AIR CLEANER, AND METHODS External link
Filling date: 6 Sep 2025 Issue date: 28 Nov 2019
Application
Utility: SEAL ARRANGEMENT FOR FILTER ELEMENT; FILTER ELEMENT ASSEMBLY; AND, METHODS External link
Filling date: 6 Sep 2025 Issue date: 28 Nov 2019
Grant
Utility: Filter medium and structure External link
Filling date: 6 Sep 2025 Issue date: 26 Nov 2019
Application
Utility: DOSING AND MIXING ARRANGEMENT FOR USE IN EXHAUST AFTERTREATMENT External link
Filling date: 6 Sep 2025 Issue date: 21 Nov 2019
Grant
Utility: Recirculation filter for an electronic enclosure External link
Filling date: 6 Sep 2025 Issue date: 19 Nov 2019
Application
Utility: FILTER MEDIA AND ELEMENTS External link
Filling date: 6 Sep 2025 Issue date: 7 Nov 2019
Application
Utility: HIGH CAPACITY FILTER ELEMENT END CAP External link
Filling date: 6 Sep 2025 Issue date: 7 Nov 2019
Application
Utility: FILTER ARRANGEMENTS; HOUSINGS; ASSEMBLIES; AND, METHODS External link
Filling date: 6 Sep 2025 Issue date: 7 Nov 2019
Application
Utility: FILTER CARTRIDGES; AIR CLEANER ASSEMBLIES; HOUSINGS; FEATURES; COMPONENTS; AND, METHODS External link
Filling date: 6 Sep 2025 Issue date: 24 Oct 2019
Application
Utility: HYDROCARBON FLUID-WATER SEPARATION External link
Filling date: 6 Sep 2025 Issue date: 17 Oct 2019

Showing 300 to 350 of 370 patents.