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John K. Aune
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Edina, MN, US
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Patents Grants
last 30 patents
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Patent Grant
Filtration devices and associated filter element
Patent number
11,839,844
Issue date
Dec 12, 2023
Donaldson Company, Inc.
Mirko Massara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
FILTRATION DEVICES AND ASSOCIATED FILTER ELEMENT
Publication number
20240066445
Publication date
Feb 29, 2024
Donaldson Company, Inc.
Mirko Massara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER ELEMENT, FILTER HEAD, AND FILTER SYSTEM
Publication number
20230271120
Publication date
Aug 31, 2023
Donaldson Company, Inc.
Erwin VERBELEN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SYSTEM AND METHOD FOR DEAERATION
Publication number
20230264119
Publication date
Aug 24, 2023
Donaldson Company, Inc.
Michael J. Cronin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER CARTRIDGE WITH VALVE MEMBER AND METHODS
Publication number
20230023624
Publication date
Jan 26, 2023
Donaldson Company, Inc.
Michael J. Gustafson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTRATION DEVICES AND ASSOCIATED FILTER ELEMENT
Publication number
20210379514
Publication date
Dec 9, 2021
Donaldson Company, Inc.
Mirko Massara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL