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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.:

US 12668486 B1

PDFFull Text
Date of Patent:
Jun. 30, 2026

Filed:

Jul. 08, 2020

Contaminated hydrogen gas composition and its use as a reference for hydrogen fuels

Applicants:

Toyota Motor Europe, Brussels, BE;

Npl Management Limited, Teddington, GB;

Inventors:

Ward Storms, Brussels, BE;

Thomas Bacquart, Teddington, GB;

Abigail Morris, Teddington, GB;

Assignees:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;

NPL MANAGEMENT LIMITED, Teddington, GB;

Attorney:

Dickinson Wright, PLLC

Primary Examiner:

John J Figueroa

Int. Cl.
CPC ...
C01B 3/00 (2026.01); F17C 1/14 (2006.01); G01N 31/22 (2006.01); G01N 33/28 (2006.01); H01M 8/04082 (2016.01);
U.S. Cl.
CPC ...
C01B 3/00 (2013.01); F17C 1/14 (2013.01); G01N 31/22 (2013.01); G01N 33/2835 (2013.01); H01M 8/04216 (2013.01); C01P 2006/80 (2013.01); F17C 2201/0104 (2013.01); F17C 2203/0607 (2013.01); F17C 2203/0643 (2013.01); F17C 2203/0646 (2013.01); F17C 2209/232 (2013.01); F17C 2221/012 (2013.01); F17C 2221/03 (2013.01); F17C 2223/035 (2013.01); F17C 2223/036 (2013.01);
Abstract

The present invention relates to a hydrogen gas composition comprising specific gas contaminants at threshold limit values (as listed in the ISO 14687:2019 standard). The invention also concerns a metal cylinder such as an aluminium cylinder comprising a hydrogen gas composition according to the invention. The hydrogen gas composition of the invention may be used as a calibration composition and/or quality control composition for controlling hydrogen fuels.

Find Patent Forward Citations

Storms, Ward. (2026). Contaminated hydrogen gas composition and its use as a reference for hydrogen fuels (U.S. Patent No. 12668486). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12668486

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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