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:
Jul. 31, 2001
Filed:
Aug. 11, 1999
Applicant:
Inventor:
Kyung-Ju Choi, Jefferson County, KY (US);
Assignee:
AAF International, Louisville, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/116 ;
U.S. Cl.
CPC ...
B32B 3/116 ;
Abstract
A method and apparatus for continuously manufacturing filter units; each unit including a flow-through filter medium support frame with at least one sheet of filter medium extending across the flow-through opening of each unit with the edges thereof welded to the peripheral side edges of the unit frame.