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. 03, 2005
Filed:
Feb. 11, 2003
Applicants:
Manfred Roessler, Stuttgart, DE;
Klaus Hrastnik, Stuttgart, DE;
Thomas Jaeger, Erdmannhausen, DE;
Christoph Brehm, Bamberg, DE;
Inventors:
Manfred Roessler, Stuttgart, DE;
Klaus Hrastnik, Stuttgart, DE;
Thomas Jaeger, Erdmannhausen, DE;
Christoph Brehm, Bamberg, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01T013/00 ;
U.S. Cl.
CPC ...
Abstract
An ignition device, particularly a spark plug for internal combustion engines, permits improved corrosion protection. The ignition device includes an electrical connector and a tubular, metallic housing having a screw-in thread imprinted on it. At least one of the metallic components of the ignition device is provided at least partially with a protective coating made of a zinc/nickel alloy.