Eric Paul O'Hara

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Minneapolis, MN, US

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Patents Applicationslast 30 patents

Information Patent Application
PRECLEANER ARRANGEMENT FOR USE IN AIR FILTRATION AND METHODS
- Publication number 20230042655
- Publication date Feb 9, 2023
- Donaldson Company, Inc.
- John H. CHASTAIN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PRECLEANER ARRANGEMENT FOR USE IN AIR FILTRATION AND METHODS
- Publication number 20210370209
- Publication date Dec 2, 2021
- Donaldson Company, Inc.
- John H. CHASTAIN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CENTRIFUGE FILTERS USING A LAYERED, REPLACEABLE MEDIA CARTRIDGE
- Publication number 20200254463
- Publication date Aug 13, 2020
- Donaldson Company, Inc.
- Matthew P. Goertz
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...