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:
Nov. 03, 2026
Filed:
Jul. 12, 2023
Hl Mando Corporation, Pyeongtaek-si, KR;
Kyudo Kim, Seoul, KR;
Kwangduk Baek, Yongin-si, KR;
HL MANDO CORPORATION, Pyeongtaek-si, KR;
Abstract
A piston valve assembly of a frequency sensitive shock absorber includes a piston valve main body mounted on the piston rod and having a piston inlet flow path formed therein in communication with a rebound chamber, a piston main retainer having a piston main chamber formed therein in communication with the piston inlet flow path, a piston main valve configured to open and close the piston main chamber, a piston pilot housing coupled to the piston rod between the piston main valve and the piston valve main body and having a piston pilot chamber formed therein in communication with the piston inlet flow path, and a pilot valve configured to cover the piston pilot chamber and press the piston main valve to close the piston main chamber when pressure in the piston pilot chamber increases above a predetermined pressure.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile