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Gregg T. GEIGER
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Excelsior, MN, US
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Patents Grants
last 30 patents
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Patent Grant
Filtration media, filter packs, and filter elements with protrusions
Patent number
11,813,561
Issue date
Nov 14, 2023
Donaldson Company, Inc.
John M. Buettner
B32 - LAYERED PRODUCTS
Patents Applications
last 30 patents
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Patent Application
FILTRATION MEDIA, FILTER PACKS, AND FILTER ELEMENTS WITH PROTRUSIONS
Publication number
20240066455
Publication date
Feb 29, 2024
Donaldson Company, Inc.
John M. Buettner
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
FILTRATION MEDIA, FILTER PACKS, AND FILTER ELEMENTS WITH PROTRUSIONS
Publication number
20180056226
Publication date
Mar 1, 2018
Donaldson Company, Inc.
John M. BUETTNER
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL