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:
Jul. 19, 2022
Filed:
Mar. 30, 2018
Eagle Industry Co., Ltd., Tokyo, JP;
Daiki Sumikawa, Tokyo, JP;
EAGLE INDUSTRY CO., LTD., Tokyo, JP;
Abstract
A butterfly valve that is capable of reducing torque and improves sealing performance. The butterfly valveincludes a shaft member, a tabular valve body that is provided on the shaft member, a casethat is attachable to and detachable from a through-holeformed in an attachment memberto which the butterfly valveis configured to be attached, a pair of bearingsthat is provided in the caseand rotatably supports the shaft member, and a magnetic fluid seal that is provided between the pair of bearingsin the caseand seals an annular gap between the caseand the shaft member
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile