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:
Oct. 27, 2015
Filed:
Oct. 11, 2013
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Gustavo H. Castro, Cottage Grove, MN (US);
Stephen M. Sanocki, Hudson, WI (US);
David F. Slama, City of Grant, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 46/00 (2006.01); B01D 46/52 (2006.01); B01D 46/10 (2006.01);
U.S. Cl.
CPC ...
B01D 46/0023 (2013.01); B01D 46/0026 (2013.01); B01D 46/0032 (2013.01); B01D 46/10 (2013.01); B01D 46/521 (2013.01); B01D 2239/065 (2013.01); B01D 2265/06 (2013.01); B01D 2275/10 (2013.01);
Abstract
Filter media including a microperforated film with tapered microperforations, and a nonwoven web positioned upstream of the microperforated film. Framed air filters incorporating such filter media, and methods of using such filter media.