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Kelly C. Robertson
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Rosemount, MN, US
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Patents Grants
last 30 patents
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Patent Grant
Pulse jet filter cleaning system
Patent number
5,616,171
Issue date
Apr 1, 1997
Donaldson Company, Inc.
Marty A. Barris
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Patent Grant
Trap apparatus with tubular filter element
Patent number
5,293,742
Issue date
Mar 15, 1994
Donaldson Company, Inc.
Gary R. Gillingham
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
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Patent Application
LIQUID HYDROCARBON FILTERABILITY SYSTEM
Publication number
20210379517
Publication date
Dec 9, 2021
Donaldson Company, Inc.
Matthew Goertz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
LIQUID HYDROCARBON FILTERABILITY SYSTEM
Publication number
20190001246
Publication date
Jan 3, 2019
Donaldson Company, Inc.
Matthew Goertz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL