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:
Nov. 21, 2023
Filed:
Aug. 18, 2020
Applicant:
Yit-hong Tee, Lee's Summit, MO (US);
Inventor:
Yit-Hong Tee, Lee's Summit, MO (US);
Assignee:
Parker-Hannifin Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 46/24 (2006.01); B01D 29/11 (2006.01); B01D 29/23 (2006.01); B01D 46/52 (2006.01); B01D 46/00 (2022.01);
U.S. Cl.
CPC ...
B01D 46/2411 (2013.01); B01D 29/111 (2013.01); B01D 29/232 (2013.01); B01D 46/0001 (2013.01); B01D 46/523 (2013.01);
Abstract
A filter includes a pleated filter element having a fibrous support layer and a filtration layer bonded to the fibrous support layer. The fibrous support layer and the filtration layer are both in pleated form to provide a plurality of pleats. A cured stiffening agent is applied to the fibrous support layer, and the pleated form is maintained. The fibrous support layer is bonded to the filtration layer by other than the cured stiffening agent.