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.

Date of Patent:
Jun. 28, 2011

Filed:

Feb. 29, 2008
Applicants:

Timothy D. Sporre, Robbinsdale, MN (US);

Jim C. Rothman, Mendota Heights, MN (US);

Michael W. Handley, Farmington, MN (US);

Thomas D. Raether, St. Louis Park, MN (US);

Inventors:

Timothy D. Sporre, Robbinsdale, MN (US);

Jim C. Rothman, Mendota Heights, MN (US);

Michael W. Handley, Farmington, MN (US);

Thomas D. Raether, St. Louis Park, MN (US);

Assignee:

Donaldson Company, Inc., Minneapolis, MN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 46/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for cleaning a filter having Z-media includes providing a filter having Z-media and cleaning the media construction by directing a pulse of compressed gas into the media construction through the downstream flow face. Filter elements useable with such methods include elements made of Z-media. An example system utilizing the method includes a gas turbine air intake system.


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