The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 28, 2011
Filed:
Jun. 06, 2005
Kevin J. Schrage, Spring Valley, MN (US);
Eugene Lensing, Spillville, IA (US);
Jeff S. Rahlf, Elma, IA (US);
Wayne R. W. Bishop, St. Louis Park, MN (US);
Gregory L. Reichter, Bloomington, MN (US);
Benny K. Nelson, Waconia, MN (US);
Rodger I. Spears, Bloomington, MN (US);
Bruce R. Crenshaw, Frankfort, IN (US);
Vladimir Kladnitsky, Eagan, MN (US);
Kevin J. Schrage, Spring Valley, MN (US);
Eugene Lensing, Spillville, IA (US);
Jeff S. Rahlf, Elma, IA (US);
Wayne R. W. Bishop, St. Louis Park, MN (US);
Gregory L. Reichter, Bloomington, MN (US);
Benny K. Nelson, Waconia, MN (US);
Rodger I. Spears, Bloomington, MN (US);
Bruce R. Crenshaw, Frankfort, IN (US);
Vladimir Kladnitsky, Eagan, MN (US);
Donaldson Company, Inc., Minneapolis, MN (US);
Abstract
Z-filter media pack arrangements and methods for providing them are described. Certain aspects concern a cured-in-place seal on an outside of a coiled z-filter media combination. Other aspects concern a cured-in-place center core, most preferably one that has opposite concave ends with seal arrangements configured to seal a lead end portion of the coiled z-filter media combination.