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:
Mar. 17, 2026
Filed:
Apr. 05, 2021
Samhongsa Co., Ltd., Seoul, KR;
Ki Cheol Lee, Incheon, KR;
Jin Hyung An, Incheon, KR;
SAMHONGSA CO., LTD., Seoul, KR;
Abstract
An aspect of the present disclosure provides a hydraulic-pneumatic apparatus including a cylinder assembly including a spindle with a hollow inside, a hollow cylinder portion, and a piston rod capable of reciprocating inside the hollow cylinder portion, and inserted through an inlet of the spindle, a flange portion surrounding the piston rod, disposed on an inlet side of the cylinder portion, and contacting an inner circumferential surface of the spindle, and a sealant disposed between the flange portion and one surface of the bent portion facing the flange portion, wherein a bent portion is formed on an inlet of the spindle to surround the flange portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile