B21B 1/085

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2024/0328,575 CAST-IN SOFFIT CONNECTION RAILMar 31, 24Oct 03, 24Not available
2024/0068,063 MODERATE-STRENGTH STEEL RAIL AND PRODUCTION METHOD THEREOFJun 30, 22Feb 29, 24Not available
2023/0264,244 A GENERATING DEVICE BASED ON FRICTION DRIVE FOR GEAR INVOLUTE ARTIFACT WITH LONG-ROLLED PATH LENGTH BY ROLLING METHODJun 30, 21Aug 24, 23Not available
2023/0166,309 FORGING PRESS FOR HOT FORGING OF ASYMMETRIC TO SYMMETRIC RAIL AND PROCESS OF FORGING THEREOFJun 14, 22Jun 01, 23Not available
2019/0105,694 HIGH-CARBON AND HIGH-STRENGTH AND TOUGHNESS PEARLITIC RAIL AND MANUFACTURING METHOD THEREOFOct 09, 18Apr 11, 19Not available
2019/0105,693 HIGH-TOUGHNESS AND PLASTICITY HYPEREUTECTOID RAIL AND MANUFACTURING METHOD THEREOFOct 09, 18Apr 11, 19Not available
2017/0283,895 RAIL MANUFACTURING METHOD AND RAIL MANUFACTURING APPARATUSSep 10, 15Oct 05, 17JFE STEEL CORPORATION
2015/0217,348 NO-SLIT HOT ROLLING OF RAILROAD RAILSApr 14, 15Aug 06, 15W. Silver Inc.
2015/0218,759 METHOD FOR PRODUCING BAINITIC RAIL STEELS, TRACK ELEMENT AND INSTALLATION FOR CARRYING OUT THE METHODJun 27, 13Aug 06, 15voestalpine Schienen GmbH
2013/0074,566 NO-SLIT HOT ROLLING OF RAILROAD RAILSSep 28, 11Mar 28, 13W. Silver Inc.