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:
May. 06, 2025
Filed:
Sep. 21, 2020
Coway Co., Ltd., Chungcheongnam-do, KR;
Hyoung-Min Moon, Seoul, KR;
Chul-Ho Kim, Seoul, KR;
Young-Hoon Hong, Seoul, KR;
Si-Jun Park, Seoul, KR;
Hyun-Soo Shin, Seoul, KR;
COWAY Co., Ltd., Chungcheongnam-do, KR;
Abstract
A water purifier capable of stably discharging residual water from an extraction unit is disclosed. The water purifier () comprises: a filter unit () having a reverse osmosis membrane filter () for filtering incoming water; an extraction unit () for providing purified water filtered by the filter unit () to a user; and a residual water drainage unit () configured to drain, through the reverse osmosis membrane filter (), residual water remaining in the extraction unit (), by using an osmotic phenomenon of the reverse osmosis membrane filter () after completion of the extraction through the extraction unit ().