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. 25, 2016
Filed:
Jun. 17, 2014
Applicant:
Donaldson Company, Inc., Minneapolis, MN (US);
Inventors:
Qiong Gao, Minneapolis, MN (US);
Gregory S. Tronnes, Richfield, MN (US);
Rakesh Kumar Yadav, Lakeville, MN (US);
Michael A. Madden, Woodbury, MN (US);
Assignee:
DONALDSON COMPANY, INC., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 39/14 (2006.01); B01D 39/16 (2006.01); B01D 39/20 (2006.01); B03C 3/28 (2006.01);
U.S. Cl.
CPC ...
B01D 39/163 (2013.01); B01D 39/2017 (2013.01); B01D 39/2024 (2013.01); B01D 2239/0428 (2013.01); B01D 2239/0435 (2013.01); B01D 2239/0622 (2013.01); B01D 2239/0668 (2013.01); B03C 3/28 (2013.01);
Abstract
Fibrous filter medium that includes a melt-blown filter layer comprising melt-blown fibers and a high-efficiency glass-containing filter layer comprising glass fibers.