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. 04, 2019
Filed:
May. 20, 2015
Applicant:
Donaldson Company, Inc., Minneapolis, MN (US);
Inventors:
James R. Scott, Chanhassen, MN (US);
Steven Gieseke, Richfield, MN (US);
Douglas Iddings, Waconia, MN (US);
Assignee:
Donaldson Company, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 46/24 (2006.01); B01D 46/00 (2006.01); F02M 35/02 (2006.01); B01D 46/52 (2006.01); B29C 44/38 (2006.01); F02M 35/024 (2006.01); B29K 75/00 (2006.01); B29L 31/14 (2006.01);
U.S. Cl.
CPC ...
B01D 46/2414 (2013.01); B01D 46/0005 (2013.01); B01D 46/0019 (2013.01); B01D 46/521 (2013.01); B29C 44/38 (2013.01); F02M 35/0201 (2013.01); F02M 35/0245 (2013.01); B01D 2201/291 (2013.01); B01D 2275/201 (2013.01); B29K 2075/00 (2013.01); B29L 2031/14 (2013.01);
Abstract
The disclosure concerns air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.