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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.:

US 12427478 B1

PDFFull Text
Date of Patent:
Sep. 30, 2025

Filed:

Feb. 16, 2022

Feed spacer having three-layered structure and reverse osmosis membrane filter module comprising same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Taehyeong Kim, Daejeon, KR;

Taeyoung Park, Daejeon, KR;

Se Jeong Hwang, Daejeon, KR;

Phill Lee, Daejeon, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:

Bryan Cave Leighton Paisner LLP

Primary Examiner:

Bradley R Spies

Int. Cl.
CPC ...
B01D 61/02 (2006.01); B01D 61/08 (2006.01); B01D 61/10 (2006.01); B01D 65/08 (2006.01); C02F 1/44 (2023.01);
U.S. Cl.
CPC ...
B01D 61/10 (2013.01); B01D 61/025 (2013.01); B01D 61/08 (2013.01); B01D 65/08 (2013.01); C02F 1/441 (2013.01); B01D 2313/143 (2013.01);
Abstract

Provided is a feed spacer having a three-layered structure, and a reverse osmosis membrane filter module including the same, where the feed spacer includes a first set of a plurality of strands that are positioned in parallel; a second set of a plurality of parallel strands provided to cross the first set; and a third set of a plurality of parallel strands positioned in parallel with a raw water flow direction, where at least one of the first set and the second set consists of strands having a smaller thickness than that of the strands constituting the third set.

Find Patent Forward Citations

Kim, Taehyeong. (2025). Feed spacer having three-layered structure and reverse osmosis membrane filter module comprising same (U.S. Patent No. 12427478). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12427478

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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