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:
Nov. 03, 1998
Filed:
Mar. 06, 1996
Applicant:
Inventors:
Ryan C Shirk, Mendota Heights, MN (US);
Rich L Bloom, Woodville, WI (US);
Troy K Ista, River Falls, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55498 ; 55378 ; 55497 ; 55523 ; 55DI / ; 55DI / ;
Abstract
A regenerable gas filter cartridge for filtering particles from an exhaust gas includes a hollow tube having a perforated portion and an open end portion. The perforated portion has a diameter larger than the diameter of the open end portion. A filtering element is disposed on the hollow tube, and the filtering element extends over the larger diameter of the perforated portion and the smaller diameter of the open end portion.