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:
Mar. 24, 2026
Filed:
Jun. 28, 2023
Applicant:
Voestalpine Schienen Gmbh, Leoben, AT;
Inventors:
Christoph Kammerhofer, Leoben, AT;
Hans Peter Brantner, Leoben, AT;
Assignee:
VOESTALPINE SCHIENEN GMBH, Leoben, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 9/04 (2006.01); C21D 1/20 (2006.01); C21D 1/63 (2006.01); C21D 6/00 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/06 (2006.01); C22C 38/22 (2006.01); C22C 38/38 (2006.01);
U.S. Cl.
CPC ...
C21D 9/04 (2013.01); C21D 1/20 (2013.01); C21D 1/63 (2013.01); C21D 6/002 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/06 (2013.01); C22C 38/22 (2013.01); C22C 38/38 (2013.01); C21D 2211/001 (2013.01); C21D 2211/002 (2013.01); C21D 2211/005 (2013.01); C21D 2211/008 (2013.01);
Abstract
In a track part, in particular a low-alloy steel rail for rail vehicles, the steel comprises, in the rail head of the track part, a ferrite portion of 5-15 vol %, an austenite portion of 5-20 vol %, a martensite portion of 5-20 vol %, and a portion of carbide-free bainite of 55-75 vol %.
Kammerhofer, Christoph. (2026). Track part and method for producing a track part (U.S. Patent No. 12584184). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12584184
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile