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:
Aug. 10, 2021
Filed:
May. 11, 2017
Applicant:
Life Safety Distribution Gmbh, Hegnau, CH;
Inventors:
Keith Francis Edwin Pratt, Portsmouth, GB;
Martin G. Jones, Havant, GB;
John Chapples, Portsmouth, GB;
Lei Xiao, London, GB;
Assignee:
LIFE SAFETY DISTRIBUTION GMBH, Hegnau, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/416 (2006.01); G01N 27/404 (2006.01);
U.S. Cl.
CPC ...
G01N 27/4163 (2013.01); G01N 27/404 (2013.01);
Abstract
A gas sensor includes know types of electrodes such has sensing electrodes, counter electrodes or reference electrodes to sense the presence of a predetermined gas. In addition, at least one diagnostic electrode is carried in the sensor. The diagnostic electrode implements at least one diagnostic function without substantially impairing the gas sensing function. The diagnostic electrode is immersed in sensor electrolyte.