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.:

US 7582141 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 01, 2009

Filed:

May. 31, 2007
Applicant:

Mark S. Ehlers, Fort Wayne, IN (US);

Inventor:

Mark S. Ehlers, Fort Wayne, IN (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 46/00 (2006.01); B01D 46/46 (2006.01); B01D 46/30 (2006.01); B01D 49/00 (2006.01); B01D 41/00 (2006.01); B01D 45/18 (2006.01); B01D 24/00 (2006.01); B01D 39/06 (2006.01); B01D 39/14 (2006.01); B03C 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A cone () and a ring () are accessories separately used during respective phases of cleaning a diesel particulate filter (') in a cleaning machine that uses compressed air pulses to clean the substrate () where particulate matter in engine exhaust has been trapped. In one phase the ring covers the outer perimeter margin of one end face of the substrate, and in the other phase the cone covers a central inner zone of the end face.


Find Patent Forward Citations

Ehlers, Mark. (2009). Diesel particulate filter pulse cleaner flow director system and method (U.S. Patent No. 7582141). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7582141

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…