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.

Date of Patent:
Jul. 21, 2026

Filed:

Oct. 17, 2021
Applicant:

Kyungdong Navien Co., Ltd., Gyeonggi-do, KR;

Inventors:

Soo Young Lee, Seoul, KR;

Ji Hyung Yoon, Seoul, KR;

So Min Lee, Seoul, KR;

Assignee:

KYUNGDONG NAVIEN CO., LTD., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/469 (2023.01); A61L 2/18 (2026.01); A61L 2/26 (2006.01); C02F 1/00 (2023.01); C02F 1/46 (2023.01); C02F 1/461 (2023.01); C02F 5/00 (2023.01); C02F 101/10 (2006.01);
U.S. Cl.
CPC ...
C02F 1/4691 (2013.01); A61L 2/18 (2013.01); A61L 2/26 (2013.01); C02F 1/008 (2013.01); C02F 1/4602 (2013.01); C02F 1/461 (2013.01); C02F 5/00 (2013.01); A61L 2202/11 (2013.01); C02F 2101/10 (2013.01); C02F 2201/005 (2013.01); C02F 2209/40 (2013.01); C02F 2301/046 (2013.01); C02F 2303/16 (2013.01); C02F 2303/20 (2013.01);
Abstract

Disclosed is a water softening system for removing an ionic material contained in source water supplied from a water source and providing soft water to a source of demand, including a filter unit that removes the least a portion of the ionic material contained in the source water based on an electric force and discharge the soft water, a supply passage that supplies the source water to the filter unit, a discharge passage that discharges water from the filter unit, a circulation passage connecting the discharge passage and the supply passage, a filter management material provider that provides a filter management material used to manage a performance of the filter unit to water that flows along the circulation passage, and a pump that pumps, together with the filter management material, the water that flows along the circulation passage to the filter unit.


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