-
-
-
-
-
-
-
-
Fluted filter media
-
Patent number 8,460,442
-
Issue date Jun 11, 2013
-
Donaldson Company, Inc.
-
Wayne M. Wagner
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
Fluted filter media
-
Patent number 8,268,053
-
Issue date Sep 18, 2012
-
Donaldson Company, Inc.
-
Wayne M. Wagner
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
-
-
-
-
-
-
Conical filter
-
Patent number D428128
-
Issue date Jul 11, 2000
-
Donaldson Company, Inc.
-
Gary R. Gillingham
-
D23 - Environmental heating and cooling
-
-
-
-
Cabinet filter assembly and methods
-
Patent number 5,931,988
-
Issue date Aug 3, 1999
-
Donaldson Company, Inc.
-
James A. LeBlanc
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
Conical filter
-
Patent number 5,902,364
-
Issue date May 11, 1999
-
Donaldson Company, Inc.
-
Joseph C. Tokar
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
Rolled liquid filter using fluted media
-
Patent number 5,895,574
-
Issue date Apr 20, 1999
-
Donaldson Company, Inc.
-
Francis A. Friedmann
-
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
-
Conical filter
-
Patent number D399944
-
Issue date Oct 20, 1998
-
Donaldson Company, Inc.
-
Gary R. Gillingham
-
D23 - Environmental heating and cooling
-
Inline filter apparatus
-
Patent number 5,820,646
-
Issue date Oct 13, 1998
-
Donaldson Company, Inc.
-
Gary R. Gillingham
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-
-
-
-
Conical filter
-
Patent number D396098
-
Issue date Jul 14, 1998
-
Donaldson Company, Inc.
-
Gary R. Gillingham
-
D23 - Environmental heating and cooling
-
Slanted inline filter
-
Patent number 5,772,883
-
Issue date Jun 30, 1998
-
Donaldson Company, Inc.
-
Jim C. Rothman
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
-