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:
Dec. 10, 2019
Filed:
Sep. 22, 2016
Applicant:
Tatsuno Corporation, Tokyo, JP;
Inventors:
Tsutomu Otaki, Tokyo, JP;
Norikazu Osawa, Tokyo, JP;
Assignee:
TATSUNO CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01F 25/00 (2006.01); G01G 17/04 (2006.01);
U.S. Cl.
CPC ...
G01F 25/0046 (2013.01); G01F 25/0053 (2013.01); G01G 17/04 (2013.01);
Abstract
To provide a calibration device for apparatus filling a gas such as hydrogen gas and capable of precisely measuring quantity of the gas such as hydrogen gas that are filled at high pressure. A calibration deviceaccording to the present invention includes a measurement housingaccommodating a filling vesselto which a high pressure fuel gas is fed from outside; a scalefor measuring a weight of a fuel gas fed to the filling vessel; and a main body housingaccommodating the measurement housingand the scale