Class B21D : WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING
Subclass 3/05: Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts (straightening of well casings in situE21B) by rollers arranged on axes rectangular to the path of the work
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11904369 | Apparatus and methods using the apparatus for treating metal wire | Jun 26, 20 | Feb 20, 24 | NV Bekaert SA |
| 11590556 | Straightener for straightening cables | Oct 19, 20 | Feb 28, 23 | Komax Holding AG |
| 11548047 | Fence post straightening device | Nov 15, 17 | Jan 10, 23 | DJI INNOVATIONS PTY LTD |
| 11407164 | Rerounder system | Sep 16, 19 | Aug 09, 22 | Trinity Bay Equipment Holdings, LLC |
| 11123782 | Versatile tubing straightener | Jan 06, 20 | Sep 21, 21 | Precision Husky Corporation |
| 11103908 | Coiled material passing device and coiled material passing method | Dec 26, 16 | Aug 31, 21 | Komatsu Industries Corporation |
| 10894280 | Straightening device | Oct 01, 18 | Jan 19, 21 | Not available |
| 10603704 | Straightening apparatus and method of changing rollers thereof | Mar 08, 16 | Mar 31, 20 | SMS GROUP GMBH |
| 10293438 | Device and method for manufacturing welded shaped steel | Sep 27, 17 | May 21, 19 | Nisshin Steel Co. Ltd. |
| 9873162 | Straightening device for welding wire | Nov 27, 14 | Jan 23, 18 | KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.), Kobe Steel, Ltd., |
| 9751121 | Pipe straightening apparatus and a method of straightening a pipe | May 09, 12 | Sep 05, 17 | Not available |
| 9643227 | Drawing unit and corresponding method | May 29, 15 | May 09, 17 | M.E.P. Macchine Elettroniche Piegatrici SpA, M.E.P. MACCHINE ELETTONRICHE PIEGATRICI SPA, |
| 9623461 | Straightening machine | Dec 05, 13 | Apr 18, 17 | PRIMETALS TECHNOLOGIES ITALY S.R.L. |
| 9616477 | Open containment frame for roller applied deep compression treatment of shaft products | Oct 15, 13 | Apr 11, 17 | ELLWOOD NATIONAL INVESTMENT CORP. |
| 9180507 | Turk's head stand | Dec 28, 09 | Nov 10, 15 | NAKATA MANUFACTURING CO., LTD. |
| 9138791 | Apparatus for installing a retractable thermocouple | Jul 03, 13 | Sep 22, 15 | ZEECO, INC. |
| 8783085 | Method for straightening tube and straightening roll | Aug 20, 12 | Jul 22, 14 | NIPPON STEEL & SUMITOMO METAL CORPORATION |
| 7617710 | Roller leveller with variable center distance | Mar 01, 05 | Nov 17, 09 | ARCELORMITTAL FRANCE |
| 7065997 | Apparatus for cutting and nibbling a sheet metal in coil form | Apr 15, 03 | Jun 27, 06 | Not available |
| 5676009 | Pipe straightener and rerounder device | Feb 07, 96 | Oct 14, 97 | CHEVRON U.S.A. INC. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2019/0337,037 | Multifunction Work Apparatus | Nov 22, 17 | Nov 07, 19 | A.C.M. SRL AUTOMATISMI COSTRUZIONI MECCANICHE |
| 2015/0258,593 | METHOD AND ASSEMBLY OF STRAIGHTENING HEAVY WALL TUBE | Mar 16, 15 | Sep 17, 15 | SSP Fittings Corp. |
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