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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 11633682 B1

PDFFull Text
Date of Patent:
Apr. 25, 2023

Filed:

Apr. 18, 2017

Nanofiber filter media for high performance applications

Applicant:

Cummins Filtration Ip, Inc., Columbus, IN (US);

Inventors:

Eric A. Janikowski, Jefferson, WI (US);

Mark P. Adams, Madison, WI (US);

Huanling Liu, Cookeville, TN (US);

Himani Deshpande, Fitchburg, WI (US);

Scott W. Schwartz, Cottage Grove, WI (US);

Barry Mark Verdegan, Stoughton, WI (US);

Aiden Kim, Suwon-si, KR;

Anna Balazy, Columbus, IN (US);

Nathan Shafer, Stoughton, WI (US);

Assignee:

CUMMINS FILTRATION IP, INC., Columbus, IN (US);

Attorney:

Foley & Lardner LLP

Primary Examiner:

Liam Royce

Int. Cl.
CPC ...
B01D 39/16 (2006.01); B01D 29/11 (2006.01); B32B 5/26 (2006.01); B01D 39/18 (2006.01); B01D 39/20 (2006.01); B01D 46/54 (2006.01); B32B 7/12 (2006.01); B32B 29/02 (2006.01); B32B 3/26 (2006.01); B32B 5/02 (2006.01); B01D 35/00 (2006.01); B01D 46/24 (2006.01); B32B 7/14 (2006.01);
U.S. Cl.
CPC ...
B01D 39/1623 (2013.01); B01D 29/114 (2013.01); B01D 35/005 (2013.01); B01D 39/18 (2013.01); B01D 39/2017 (2013.01); B01D 46/24 (2013.01); B01D 46/546 (2013.01); B32B 3/26 (2013.01); B32B 5/022 (2013.01); B32B 5/024 (2013.01); B32B 5/26 (2013.01); B32B 7/12 (2013.01); B32B 7/14 (2013.01); B32B 29/02 (2013.01); B01D 2239/025 (2013.01); B01D 2239/0654 (2013.01); B01D 2239/083 (2013.01); B01D 2239/1233 (2013.01); B01D 2275/10 (2013.01); B32B 2250/02 (2013.01); B32B 2250/20 (2013.01); B32B 2255/12 (2013.01); B32B 2255/26 (2013.01); B32B 2260/021 (2013.01); B32B 2260/046 (2013.01); B32B 2262/02 (2013.01); B32B 2262/023 (2013.01); B32B 2262/0223 (2013.01); B32B 2262/0238 (2013.01); B32B 2262/0246 (2013.01); B32B 2262/0253 (2013.01); B32B 2262/0261 (2013.01); B32B 2262/0276 (2013.01); B32B 2262/062 (2013.01); B32B 2262/101 (2013.01); B32B 2262/14 (2013.01); B32B 2307/718 (2013.01); B32B 2307/724 (2013.01); B32B 2307/726 (2013.01); B32B 2307/732 (2013.01);
Abstract

Disclosed here is a composite filter media having at least one nanofiber layer bonded to a substrate layer, the at least one nanofiber layer optionally having a plurality of nanofibers having a geometric mean diameter of less than or equal to 0.5 μm, the at least one nanofiber layer having a thickness of about 1-100 μm.

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