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:
Sep. 18, 2001
Filed:
Jul. 12, 2000
Applicant:
Inventors:
Jörg Wind, Immenstaad, DE;
Felix Nitschke, München, DE;
Assignee:
MTU Motoren- und Turbinen-Union Friedrichshafen GmbH, Friedrichshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 6/00 ;
U.S. Cl.
CPC ...
C21D 6/00 ;
Abstract
A method for reducing the electrical resistance caused by a corrosion oxide coating at the current-carrying transition of a chromium steel component includes annealing the chromium steel component a temperature of at least 950° C. and removing any oxide coating that develops during said annealing before the component carries current.