Thomas A Fosdal from 1221 Washington Rd, Stoughton, WI 53589, age 76, Phone: 608 873-7765

Filter With Efficiently Sealed End
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US Patent:

6902598, Jun 7, 2005
Filed:

May 2, 2003
Appl. No.:

10/428459
Inventors:

Larry T. Gunderson - Madison WI, US
Thomas A. Fosdal - Stoughton WI, US
Gregory J. Schoenmann - Stoughton WI, US
Kelly R. Schmitz - Stoughton WI, US
Assignee:

Fleetguard, Inc. - Nashville TN
International Classification:

B01D035/30
US Classification:

55498, 55502, 55510
Abstract:

A filter element has a resiliently compressible end cap at a first axial end sealing the filter and providing sealed engagement with a flow tube.

Carbon Media Filter Element
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US Patent:

7070641, Jul 4, 2006
Filed:

Dec 3, 2003
Appl. No.:

10/726974
Inventors:

Larry T. Gunderson - Madison WI, US
Eric Schroeder - Neenah WI, US
Mark C. Schroeder - Oregon WI, US
Thomas A. Fosdal - Stoughton WI, US
Eric A. Janikowski - Jefferson WI, US
Assignee:

Fleetguard, Inc. - Nashville TN
International Classification:

B01D 53/04
US Classification:

55497, 55502, 55DIG 5, 55DIG 31, 96135, 96154
Abstract:

A carbon media filter element with urethane frame and seal has a border member composed of urethane providing a combined structural frame and seal extending along the perimeter and providing both the support frame for the media and a seal along the ends of the media sheet retaining carbon granules between backing layers and preventing escape of carbon granules out of the end. Manufacturing apparatus and methods are provided.

Filter With Efficiently Sealed End
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US Patent:

RE41713, Sep 21, 2010
Filed:

Jun 7, 2007
Appl. No.:

11/759884
Inventors:

Larry T. Gunderson - Madison WI, US
Thomas A. Fosdal - Stoughton WI, US
Gregory J. Schoenmann - Stoughton WI, US
Kelly R. Schmitz - Brentwood TN, US
Assignee:

Cummins Filtration IP Inc. - Minneapolis MN
International Classification:

B01D 35/30
US Classification:

55498, 55502, 55510
Abstract:

A filter element has a resiliently compressible end cap at a first axial end sealing the filter and providing sealed engagement with a flow tube.

Filter Coating, Winding, Finishing And Manufacturing System
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US Patent:

20040118771, Jun 24, 2004
Filed:

Dec 20, 2002
Appl. No.:

10/325090
Inventors:

Murray Schukar - Fitchburg WI, US
Brian Fillbach - McFarland WI, US
Gary Frank - Stoughton WI, US
Craig Clayton - Oregon WI, US
Douglas Marquis - McFarland WI, US
Matthew Henrichsen - Evansville WI, US
Robert Miller - Indianapolis IN, US
William Haberkamp - Cookeville TN, US
Darryl Gust - Columbus IN, US
Kurt Badeau - Evansville WI, US
Steven Stokstad - Stoughton WI, US
Travis Goodlund - McFarland WI, US
Thomas Fosdal - Stoughton WI, US
O. Bowling - North Vernon IN, US
Randolph Zoran - McFarland WI, US
International Classification:

B01D027/06
US Classification:

210/493400
Abstract:

A coating system (), winding system (), finishing system () and manufacturing system (FIGS. -) is provided for spiral-wound fluted filter media ().

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Thomas A Fosdal