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:
Nov. 13, 2001
Filed:
Apr. 19, 2000
Applicant:
Inventors:
Gerhard Ratz, Langgöns-Oberkleen, DE;
Walter Kunitz, Wildau, DE;
Assignee:
BWG Butzbacher Weichenbau Gesellschaft mbH & Co. KG, Butzbach, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21D 9/04 ;
U.S. Cl.
CPC ...
C21D 9/04 ;
Abstract
The invention relates to a high-strength steel track element, and process of making the steel track element by rolling and heat treating. The steel comprises: 0.3-0.6% C, 0.8-1.5% Si, 0.7-1.0% Mn, 0.9-1.4% Cr, 0.6-1.0% Mo, balance iron and smelting-related impurities. The steel has a bainitic basic structure, a tensile strength of at least 1600 N/mm,and a technical yield strength of at least 1250 N/mm,.
Ratz, Gerhard. (2001). Method for producing high-strength track element and track element thus obtained (U.S. Patent No. 6315844). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6315844
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile