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:
Feb. 23, 2016
Filed:
Sep. 07, 2011
Applicants:
Doo-won Han, Seoul, KR;
Dae-hwan Kim, Seoul, KR;
Sang-hyeon Kang, Seoul, KR;
Inventors:
Assignee:
COWAY CO., LTD, , KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 63/14 (2006.01); B01D 27/14 (2006.01); B01D 29/11 (2006.01); B01D 29/21 (2006.01); B01D 29/58 (2006.01); B01D 27/06 (2006.01); B01D 29/07 (2006.01); B01D 63/06 (2006.01); B82Y 30/00 (2011.01);
U.S. Cl.
CPC ...
B01D 27/144 (2013.01); B01D 29/111 (2013.01); B01D 29/21 (2013.01); B01D 29/58 (2013.01); B01D 27/06 (2013.01); B01D 27/148 (2013.01); B01D 29/07 (2013.01); B01D 63/067 (2013.01); B01D 63/14 (2013.01); B01D 2201/12 (2013.01); B82Y 30/00 (2013.01);
Abstract
Disclosed is a filter cartridge. The filter cartridge includes an inner filter in the form of an approximately cylindrical corrugated membrane, an outer filter in the form of an approximately cylindrical corrugated membrane, the outer filter having a diameter greater than that of the inner filter and being installed around the inner filter, and at least one holder to support the inner filter and the outer filter.