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. 14, 2026
Filed:
Dec. 16, 2021
Hitachi Astemo, Ltd., Hitachinaka, JP;
Shoichi Ichikawa, Hitachinaka, JP;
Daiki Tsutsumi, Hitachinaka, JP;
Toshiyuki Masuda, Hitachinaka, JP;
Kenichiro Ishikura, Hitachinaka, JP;
HITACHI ASTEMO, LTD., Hitachinaka, JP;
Abstract
A water-impermeable cover is provided with an opening part extending so as to approach an opening part of a holding ring of a propeller shaft. The water-impermeable cover is provided at a position on the opening-part side of the holding ring. The water-impermeable cover is fixed in a position on the opening-part side of the holding ring of the stub shaft. The opening part of the water-impermeable cover is extended so as to approach the opening part of the holding ring.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile