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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 12699025 B1

PDFFull Text
Date of Patent:
Aug. 04, 2026

Filed:

Apr. 28, 2023

Head life evaluation apparatus and method

Applicant:

Semes Co., Ltd., Cheonan-si, KR;

Inventors:

Won-Yong Jin, Cheonan-si, KR;

Suk-Won Jang, Pyeongtaek-si, KR;

Jae-Duck Lee, Seongnam-si, KR;

Hosang Lee, Asan-si, KR;

Assignee:

SEMES CO., LTD., Cheonan-si, KR;

Attorney:

Muir Patent Law, PLLC

Primary Examiner:

Walter L Lindsay, Jr

Assistant Examiner:

Andrew V Do

Int. Cl.
CPC ...
G01M 13/00 (2019.01); B05B 15/555 (2018.01); B41J 2/165 (2006.01); B41J 2/21 (2006.01);
U.S. Cl.
CPC ...
G01M 13/00 (2013.01); B05B 15/555 (2018.02); B41J 2/16523 (2013.01); B41J 2/16552 (2013.01); B41J 2/2114 (2013.01); B41P 2235/26 (2013.01);
Abstract

Provided are a head life evaluation apparatus and method capable of evaluating lifespans of nozzles by using a plurality of chambers having different environments, the head life evaluation apparatus including a head block including at least one first nozzle for ejecting a treatment liquid in an inkjet manner, and a chamber block detachably coupled to the head block and including at least one first chamber corresponding to the first nozzle to evaluate a lifespan of the first nozzle in a first environment.

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Jin, Won-Yong. (2026). Head life evaluation apparatus and method (U.S. Patent No. 12699025). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12699025

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