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:
Aug. 25, 2026
Filed:
Mar. 28, 2023
Applicant:
Valqua, Ltd., Tokyo, JP;
Inventors:
Assignee:
VALQUA, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/3284 (2016.01);
U.S. Cl.
CPC ...
F16J 15/3284 (2013.01);
Abstract
A dust seal ring includes a body portion of an approximately rectangular shape, a first lip extending, on an inner surface in a radial direction of the body portion, while inclining inwardly away from the body portion on one side in a direction of extension of a central axis, and a second lip extending, on the inner surface in the radial direction of the body portion, while inclining inwardly away from the body portion on the other side in the direction of extension of the central axis.