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:
May. 06, 2003
Filed:
Mar. 20, 2000
Applicant:
Inventors:
Werner Herden, Gerlingen, DE;
Rudolf Pollner, Bamberg, DE;
Thomas Brinz, Sindelfingen, DE;
Ulrich Eisele, Stuttgart, DE;
Andreas Niegel, Kornwestheim, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01T 1/320 ; H01T 1/300 ; H01J 2/316 ;
U.S. Cl.
CPC ...
H01T 1/320 ; H01T 1/300 ; H01J 2/316 ;
Abstract
A spark plug having a tubular metallic housing has an internal conductor arrangement including a refractory erosion. The refractory erosion resistor is designed either as a wound wire resistor or a filament-like thin-layer resistor.