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:
Apr. 19, 2016
Filed:
May. 15, 2012
Yuji Kasuya, Tokyo, JP;
Yoshikazu Kataoka, Nagoya, JP;
Yuji Kasuya, Tokyo, JP;
Yoshikazu Kataoka, Nagoya, JP;
NGK SPARK PLUG CO., LTD., Aichi, JP;
Abstract
In a section of a spark plug cut by a plane which passes through the center of gravity of the intermediate member and is in parallel with the facing direction between a center electrode and an extending portion of a ground electrode, a spark plug that satisfies the relational expression S1/(D1×H1)≧0.005, where S1 is the total area of nuggets, H1 is the height of the end surface of a noble metal tip from the disposition surface of an electrode base metal, and D1 is the maximum width of the noble metal tip.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile