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:
Feb. 16, 2016
Filed:
Apr. 12, 2012
Applicants:
Thomas Kretschmar, Bamberg, DE;
Andreas Benz, Bamberg, DE;
Jochen Fischer, Bamberg, DE;
Inventors:
Assignee:
ROBERT BOSCH GMBH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01T 13/20 (2006.01); H01T 13/39 (2006.01); H01T 21/02 (2006.01);
U.S. Cl.
CPC ...
H01T 13/39 (2013.01); H01T 21/02 (2013.01);
Abstract
An electrode for a spark plug includes an electrode base material and a noble metal element, the noble metal element being fastened to the electrode base material using a welding connection. The welding connection has a maximum extension perpendicular to an area of the electrode at which the noble metal element is fastened, and the welding connection has a maximum width at the area. A ratio of the maximum extension to the maximum width is greater than, or equal to 3.