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. 23, 2024
Filed:
Jan. 21, 2023
Applicant:
Semes Co., Ltd., Chungcheongnam-do, KR;
Inventors:
Sung Hun Eom, Chungcheongnam-do, KR;
Nam Ki Hong, Chungcheongnam-do, KR;
Assignee:
SEMES CO., LTD., Chungcheongnam-Do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 1/09 (2006.01); F16J 9/12 (2006.01);
U.S. Cl.
CPC ...
F16J 1/09 (2013.01); F16J 9/12 (2013.01);
Abstract
The present disclosure is to provide a piston assembly in which a particle does not leak out of a cylinder, and including, in an embodiment, a piston body; a piston rod connected to the piston body; a first groove formed in an outer surface of the piston body; and a particle discharge flow path extending from an internal space of the piston body to the outer surface of the piston body.