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. 25, 2024
Filed:
Jul. 30, 2019
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Zhiqun Zhang, North Oaks, MN (US);
Nhat Ha Thi Nguyen, Woodbury, MN (US);
Jimmy M. Le, St. Paul, MN (US);
Glen O. Gregerson, Hudson, WI (US);
Bryan L. Gerhardt, Woodbury, MN (US);
Philip D. Eitzman, Lake Elmo, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 46/52 (2006.01); B01D 39/16 (2006.01); B01D 46/00 (2022.01); B31D 5/00 (2017.01);
U.S. Cl.
CPC ...
B01D 46/523 (2013.01); B01D 39/163 (2013.01); B01D 46/0001 (2013.01); B01D 46/0005 (2013.01); B01D 46/0032 (2013.01); B31D 5/0082 (2013.01); B01D 2239/0435 (2013.01); B01D 2239/0618 (2013.01); B01D 2239/0627 (2013.01); B01D 2239/10 (2013.01); B01D 2265/04 (2013.01); B01D 2265/06 (2013.01); B01D 2275/50 (2013.01);
Abstract
A pleated air filter media is provided. The pleated air filter media comprises a plurality of upstream linear bridging filaments that are extrusion-bonded to at least some of a plurality of upstream pleat tips of a fibrous web, and a plurality of downstream continuous-contact filaments that are extrusion-bonded to a downstream face of the fibrous web. Methods of making and using the same are also provided.