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:
Jul. 26, 2022
Filed:
Aug. 17, 2021
Applicant:
Denso Corporation, Kariya, JP;
Inventor:
Masataka Deguchi, Kariya, JP;
Assignee:
DENSO CORPORATION, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01T 13/04 (2006.01); H01T 13/34 (2006.01); H01T 13/40 (2006.01); H01T 21/02 (2006.01);
U.S. Cl.
CPC ...
H01T 13/04 (2013.01); H01T 13/34 (2013.01); H01T 13/40 (2013.01); H01T 21/02 (2013.01);
Abstract
A spark plug includes a terminal electrode extending in an axial direction of the spark plug. The terminal electrode has an end in the axial direction, and has a recess formed in the end of the terminal electrode. The recess has a bottom surface and an identifier on the bottom surface. The recess has a side surface parallel to the axial direction.