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. 24, 2026
Filed:
Jul. 21, 2023
Applicant:
Kawasaki Railcar Manufacturing Co., Ltd., Kobe, JP;
Inventors:
Takahiro Kawashima, Kobe, JP;
Yu Yamamoto, Kobe, JP;
Satoru Akiyama, Kobe, JP;
Hiroshi Enomoto, Kobe, JP;
Assignee:
Kawasaki Railcar Manufacturing Co., Ltd., Kobe, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60N 3/02 (2006.01); B61D 37/00 (2006.01); B61D 49/00 (2006.01); B63B 17/04 (2006.01); E01D 19/10 (2006.01); E01F 13/00 (2006.01); E01F 15/00 (2006.01); E04F 11/18 (2006.01);
U.S. Cl.
CPC ...
B60N 3/02 (2013.01); B60N 3/023 (2013.01); B60N 3/026 (2013.01); B61D 37/00 (2013.01); B61D 49/00 (2013.01); B63B 17/04 (2013.01); E01D 19/10 (2013.01); E01F 13/00 (2013.01); E01F 15/00 (2013.01); E04F 11/18 (2013.01); E04F 11/1808 (2013.01); E04F 11/1836 (2013.01);
Abstract
A handrail for a railroad vehicle is disposed in a cabin of a vehicle body of the railroad vehicle. The handrail includes a handrail body whose inside serves as a filling space and a filler having fluidity and filling the filling space. The handrail body includes an opening to be used in supplying the filler to the filling space and a plug that opens and closes the opening.
Kawashima, Takahiro. (2026). Handrail for railroad vehicle and method for changing natural frequency of said handrail (U.S. Patent No. 12583374). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12583374
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile