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. 12, 2016
Filed:
Aug. 03, 2012
Applicants:
Detlef Hartmann, Bamberg, DE;
Dietrich Trachte, Leonberg, DE;
Inventors:
Detlef Hartmann, Bamberg, DE;
Dietrich Trachte, Leonberg, DE;
Assignee:
ROBERT BOSCH GMBH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01T 13/20 (2006.01); H01T 13/39 (2006.01); H01T 15/00 (2006.01);
U.S. Cl.
CPC ...
H01T 13/20 (2013.01); H01T 13/39 (2013.01); H01T 15/00 (2013.01);
Abstract
A spark plug for an internal combustion engine, including: a center electrode having a first noble metal pin of a first diameter mounted thereon, and a ground electrode having a second noble metal pin of a second diameter mounted thereon, the noble metal pins of the center electrode and of the ground electrode being mutually opposed at the end faces thereof; and the first diameter of the first noble metal pin of the center electrode being larger than the second diameter of the second noble metal pin of the ground electrode.