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:
Dec. 26, 2000
Filed:
Mar. 27, 1999
Applicant:
Inventor:
Kyung-Ju Choi, Louisville, KY (US);
Assignee:
AAF International, INC, Louisville, KY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55524 ; 55497 ; 55521 ; 2104933 ; 210506 ; 210507 ;
Abstract
A pleated filter and method of making the same wherein the crests of pleated filter medium include nesting daubs of pleat spreading and pleat maintaining material located at the crests to define free flow valleys between opposed pleat faces for efficient passage of a fluid stream to be treated therethrough from upstream through downstream pleat faces.