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Stan M. Koehler
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Eden Prairie, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Multistage air cleaner including pulse cleaning system
Patent number
8,444,748
Issue date
May 21, 2013
Donaldson Company, Inc.
Gary R. Gillingham
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter cartridge for a filter assembly
Patent number
7,314,555
Issue date
Jan 1, 2008
Donaldson Company, Inc.
Stan M. Koehler
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Multistage air cleaner including pulse cleaning system
Patent number
7,090,711
Issue date
Aug 15, 2006
Donaldson Company, Inc.
Gary R. Gillingham
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Multistage air cleaner including pulse cleaning system
Patent number
6,908,494
Issue date
Jun 21, 2005
Donaldson Company, Inc.
Gary R. Gillingham
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Multistage air cleaner including pulse cleaning system
Patent number
6,872,237
Issue date
Mar 29, 2005
Donaldson Company, Inc.
Gary R. Gillingham
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Multistage air cleaner including pulse cleaning system
Patent number
6,676,721
Issue date
Jan 13, 2004
Donaldson Company, Inc.
Gary R. Gillingham
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
MULTISTAGE AIR CLEANER INCLUDING PULSE CLEANING SYSTEM
Publication number
20070186774
Publication date
Aug 16, 2007
Donaldson Company, Inc.
Gary R. Gillingham
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
MULTISTAGE AIR CLEANER INCLUDING PULSE CLEANING SYSTEM
Publication number
20060277871
Publication date
Dec 14, 2006
Gary R. Gillingham
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Filter cartridge for a filter assembly
Publication number
20060196822
Publication date
Sep 7, 2006
Stan M. Koehler
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Multistage air cleaner including pulse cleaning system
Publication number
20050166559
Publication date
Aug 4, 2005
Donaldson Company, Inc.
Gary R. Gillingham
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Multistage air cleaner including pulse cleaning system
Publication number
20040144253
Publication date
Jul 29, 2004
Donaldson Company, Inc.
Gary R. Gillingham
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Multistage air cleaner including pulse cleaning system
Publication number
20040139707
Publication date
Jul 22, 2004
Donaldson Company, Inc.
Gary R. Gillingham
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL