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:
Sep. 16, 2014
Filed:
Dec. 15, 2009
Applicants:
Oliver Wolst, Singapore, SG;
Stefan Henneck, Leonberg, DE;
Markus Widenmeyer, Schoenaich, DE;
Alexander Martin, Regensburg, DE;
Inventors:
Oliver Wolst, Singapore, SG;
Stefan Henneck, Leonberg, DE;
Markus Widenmeyer, Schoenaich, DE;
Alexander Martin, Regensburg, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 7/00 (2006.01); G01N 27/414 (2006.01); G01N 33/00 (2006.01);
U.S. Cl.
CPC ...
G01N 27/414 (2013.01); G01N 33/0013 (2013.01);
Abstract
A sensor element of a gas sensor for determining gas components in gas mixtures includes a field effect transistor and/or a diode which has a current flow which changes upon contact with a gas to be detected, and which is positioned in a manner protected, by a protective cap, from direct access by the gas mixture. The protective cap has a heating element, a glass former, and/or an oxidation catalyst.