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. 31, 2023
Filed:
Mar. 18, 2021
Applicant:
Ngk Insulators, Ltd., Aichi, JP;
Inventors:
Assignee:
NGK INSULATORS, LTD., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/409 (2006.01); F01N 11/00 (2006.01); F01N 3/20 (2006.01); G01N 27/41 (2006.01); G01N 33/00 (2006.01); G01N 27/419 (2006.01);
U.S. Cl.
CPC ...
G01N 27/409 (2013.01); F01N 3/208 (2013.01); F01N 11/007 (2013.01); G01N 27/41 (2013.01); G01N 27/419 (2013.01); G01N 33/0037 (2013.01); G01N 33/0054 (2013.01); F01N 2560/021 (2013.01); F01N 2560/026 (2013.01);
Abstract
A first gas sensor having a first sensor element includes a first protective cover that protects the first sensor element, and a second gas sensor having a second sensor element includes a second protective cover that protects the second sensor element. The first protective cover is coated with an oxidation catalyst for one target component from among a plurality of target components, and the second protective cover is coated with an inert catalyst for the one target component.