B21J 5/10

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2024/0286,186 COMPOUND PROFILING FORGING METHOD FOR LARGE WIND TURBINE MAIN SHAFTFeb 20, 24Aug 29, 24Not available
2020/0290,113 SHAFT FOR STEERING DEVICE, METHOD OF MANUFACTURING SHAFT FOR STEERING DEVICE, AND ELECTRIC POWER STEERING DEVICEFeb 13, 18Sep 17, 20NSK Ltd.
2015/0314,346 INNER SURFACE REGULATION TOOL, PLUG, MANDREL, HOT ROLLING MILL, PRESS PIERCING MACHINE, AND DRAWING MACHINEAug 22, 13Nov 05, 15NIPPON STEEL & SUMITOMO METAL CORPORATION
2015/0050,513 Method For Manufacturing Hollow ShaftsDec 27, 12Feb 19, 15Not available
2013/0025,338 TUBE-FORGING METHODJul 27, 12Jan 31, 13SMS MEER GMH