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:
Apr. 21, 2025
Filed:
May. 17, 2021
Coway Co., Ltd., Gongju-si, KR;
Min-Suk Chang, Seoul, KR;
Yong-Yeon Noh, Seoul, KR;
Woo-Jin Joo, Seoul, KR;
Myeong-Hoon Kang, Seoul, KR;
Ki-Hong Min, Seoul, KR;
Jin-Woo Choi, Seoul, KR;
Young-Jae Lee, Seoul, KR;
Dong-Hui Kim, Seoul, KR;
Sang-Jin Youn, Seoul, KR;
Gyeong-Jong Kim, Seoul, KR;
COWAY Co., Ltd., Gongju-si, KR;
Abstract
Provided is a water purifier comprising: a filter unit which has a reverse osmosis membrane filter; a supply valve; an instantaneous heating device which is provided with an inflow port, and an outflow port, and which heats and purified water entering through the inflow port and flowing to the outflow port, so that hot water is discharged through the outflow port; an extraction member; a supply pump; a domestic water drain line; a hot water drain line; a hot water drain valve; and a control unit which controls the opening/closing of respective flow channels of the hot water drain line and the domestic water drain line so that, among a hot water draining process through the hot water drain line, and a domestic water draining process through the domestic water drain line, the hot water draining process is carried out first.