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:
May. 12, 2015
Filed:
Jul. 20, 2011
Applicants:
Derek John Fray, Cambridge, GB;
Carsten Schwandt, Cambridge, GB;
Inventors:
Derek John Fray, Cambridge, GB;
Carsten Schwandt, Cambridge, GB;
Assignee:
Cambridge Enterprise Limited, Cambridge, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/26 (2006.01); G01N 33/00 (2006.01); G01N 27/407 (2006.01);
U.S. Cl.
CPC ...
G01N 33/005 (2013.01); G01N 27/4074 (2013.01);
Abstract
An apparatus and methods are provided for the accurate determination of hydrogen content in fluid media at elevated temperatures. The apparatus consists of a proton conducting solid electrolyte in contact with an internal metal/hydrogen reference standard, in which the electrolyte and the reference material are in a chemically stable contact. The electrical signal generated is a function of the hydrogen concentration on the measuring side.