B21D 3/05

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9873162 Straightening device for welding wireNov 27, 14Jan 23, 18KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.), Kobe Steel, Ltd.,
9751121 Pipe straightening apparatus and a method of straightening a pipeMay 09, 12Sep 05, 17Not available
9643227 Drawing unit and corresponding methodMay 29, 15May 09, 17M.E.P. Macchine Elettroniche Piegatrici SpA, M.E.P. MACCHINE ELETTONRICHE PIEGATRICI SPA,
9623461 Straightening machineDec 05, 13Apr 18, 17PRIMETALS TECHNOLOGIES ITALY S.R.L.
9616477 Open containment frame for roller applied deep compression treatment of shaft productsOct 15, 13Apr 11, 17ELLWOOD NATIONAL INVESTMENT CORP.
9180507 Turk's head standDec 28, 09Nov 10, 15NAKATA MANUFACTURING CO., LTD.
9138791 Apparatus for installing a retractable thermocoupleJul 03, 13Sep 22, 15ZEECO, INC.
8783085 Method for straightening tube and straightening rollAug 20, 12Jul 22, 14NIPPON STEEL & SUMITOMO METAL CORPORATION
7617710 Roller leveller with variable center distanceMar 01, 05Nov 17, 09ARCELORMITTAL FRANCE
7065997 Apparatus for cutting and nibbling a sheet metal in coil formApr 15, 03Jun 27, 06Not available
6067835 Wire straightenerApr 02, 99May 30, 00Not available
5676009 Pipe straightener and rerounder deviceFeb 07, 96Oct 14, 97CHEVRON U.S.A. INC.
5676010 Wire straightening deviceSep 20, 96Oct 14, 97TYCO ELECTRONICS SERVICES GMBH, THE WHITAKER CORPORATION,
5348459 Portable device for straightening out tubesJul 02, 92Sep 20, 94GAZ DE FRANCE, Societe Joseph Sauron Materiel Industriel,
5345804 Roller straightening device for steel bars for concreteJan 04, 92Sep 13, 94Not available
5309746 Automatic tube straightening systemJan 28, 93May 10, 94AEIP, LLC
5138860 Combined assembly to straighten and linearize bars or rodsMar 11, 91Aug 18, 92M.E.P. Macchine Elettroniche Piegatrici SpA
4651549 Method for correcting rolled materialMar 08, 85Mar 24, 87SUMITOMO METAL INDUSTRIES, LTD.
4612792 Method of manufacturing fatigue resistant cablesSep 26, 84Sep 23, 86NV BEKAERT SA
4216666 Method of relieving stress in extruded sectionsSep 18, 78Aug 12, 80EXTRUDED METALS, INC., A CORP. OF DE