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:
Jan. 21, 2014
Filed:
May. 07, 2009
Applicants:
Rolf Eckhardt, Alzenau, DE;
Martin Weber, Meckenheim, DE;
Inventors:
Rolf Eckhardt, Alzenau, DE;
Martin Weber, Meckenheim, DE;
Assignee:
MSA Auer GmbH, Berlin, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/413 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to an electrochemical sensor including a housing with a chamber containing an electrolyte, at least one measuring electrode for oxygen detection, at least one counter electrode and at least one reference electrode, wherein the sensor has a two-part diffusion barrier, wherein a first part of the barrier forms a labyrinth with a second part of the barrier disposed between the measuring and the counter electrode.