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. 20, 2013
Filed:
Jan. 18, 2010
Applicants:
Tomohisa Fujita, Aichi, JP;
Takeshi Kawai, Aichi, JP;
Satoshi Teramoto, Aichi, JP;
Shigeki Mori, Gifu, JP;
Inventors:
Tomohisa Fujita, Aichi, JP;
Takeshi Kawai, Aichi, JP;
Satoshi Teramoto, Aichi, JP;
Shigeki Mori, Gifu, JP;
Assignee:
NGK Spark Plug Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 27/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A defect detection method for a sensor in which a fixing member provides a seal between a sensor element and tubular metallic members, the method being capable of detecting breakage of a conductor caused by breakage of the element.