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. 19, 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:
Assistant Examiner:
Int. Cl.
CPC ...
G01F 25/00 (2006.01); G01G 17/04 (2006.01); G01G 23/01 (2006.01); G01G 17/06 (2006.01); G01F 23/20 (2006.01);
U.S. Cl.
CPC ...
G01F 25/0046 (2013.01); G01F 25/0053 (2013.01); G01G 17/04 (2013.01); G01G 17/06 (2013.01); G01G 23/01 (2013.01);
Abstract
To provide a calibration device for apparatus filling a gas such as hydrogen gas and capable of efficiently and safely measuring weight and amount of the gas such as hydrogen gas that are filled at high pressure. Calibration devicesaccording to the present invention include a measurement housing, accommodated in a housing main body, to the measurement housinga high pressure fuel gas being fed from outside of the housing main body; and a scalefor measuring a weight of a fuel gas fed to the measurement housing, wherein an inside of the measurement housingis visible from outside of the housing main body