Class B21D : WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING
Subclass 3/10: 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) between rams and anvils or abutments
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11986874 | Method of manufacturing press-formed article, press-formed article, and press forming apparatus | Aug 05, 20 | May 21, 24 | 501 Nippon Steel Corporation |
| 11958097 | Method for calibrating a metal profile blank which is configured as a hollow-chamber profile and which has at least one solid wall | Aug 30, 21 | Apr 16, 24 | Benteler Automobiltechnik GmbH |
| 11779983 | Tube straightening tool and method of straightening a tube | Jul 20, 21 | Oct 10, 23 | Not available |
| 11465188 | Robot for straightening double thin-wall section pipe with undesirably shaped cavities | Jun 16, 20 | Oct 11, 22 | Hefei University of Technology |
| 11344939 | Device for calibrating and straightening hollow components and method using such a device | Jun 14, 17 | May 31, 22 | Theodor Gräbener GmbH & Co. KG |
| 11292220 | Rework press assembly for component rework systems and methods of using the same | May 08, 18 | Apr 05, 22 | General Electric Company |
| 11267029 | Method for straightening of radial run-out faults or linearity faults on elongate workpieces, and measuring device, straightening machine, and straightening system thereof | Jan 04, 19 | Mar 08, 22 | MAE Maschinin- und Apperatebau Gotzen GmbH |
| 11198166 | Adjustable die for a press brake | Oct 19, 17 | Dec 14, 21 | Rolleri S.p.A. |
| 11179763 | Compressive forming processes for enhancing collapse resistance in metallic tubular products | Feb 14, 18 | Nov 23, 21 | United States Steel Corporation |
| 11072010 | Method and device for straightening a workpiece | Apr 10, 17 | Jul 27, 21 | MOST Technik GmbH |
| 11040390 | Wheel correction device | Jan 25, 19 | Jun 22, 21 | CITIC DICASTAL CO., LTD |
| 10960449 | Exhaust system repair apparatus and repair method | Apr 19, 19 | Mar 30, 21 | Not available |
| 10780479 | Method for straightening a distortion of a component by way of a straightening device, and straightening device | Feb 07, 18 | Sep 22, 20 | Bayerische Motoren Werke Aktiengesellschaft |
| 10668515 | Apparatus and method of size correction for hot stamping component | Dec 08, 16 | Jun 02, 20 | Kia Motors Corporation |
| 10391536 | Tool kit for bending a metal tray | Mar 31, 16 | Aug 27, 19 | Not available |
| 10300517 | Pipe end straightener | Sep 19, 16 | May 28, 19 | WAMACO, LLC |
| 10245630 | Smart fixture distortion correction system | Sep 03, 15 | Apr 02, 19 | Caterpillar Inc. |
| 10010982 | Open containment frame for targeted compression treatment of rotating shaft products | Jul 29, 15 | Jul 03, 18 | ELLWOOD NATIONAL INVESTMENT CORP. |
| 10005115 | Method and process, system, and apparatus for straightening of thin tubular shapes | Jan 15, 15 | Jun 26, 18 | NATIONAL OILWELL VARCO L.P. |
| 9694407 | Machine and method for treating cast components | Aug 20, 14 | Jul 04, 17 | MAGNA BDW TECHNOLOGIES GMBH |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0238,859 | MODULAR MOLD, MODULAR DEVICE, UNIVERSAL INSERT FOR STRAIGHTENING PROFILES AND CORRESPONDING METHOD FOR STRAIGHTENING PROFILES | Jul 22, 22 | Jul 18, 24 | ROS Beheer B.V. |
| 2024/0226,980 | METHOD FOR STRAIGHTENING BAR-SHAPED MATERIAL AND A STRAIGHTENING MACHINE | Dec 08, 22 | Jul 11, 24 | Not available |
| 2024/0131,568 | METHOD FOR STRAIGHTENING BAR-SHAPED MATERIAL AND A STRAIGHTENING MACHINE | Jan 05, 22 | Apr 25, 24 | Not available |
| 2021/0229,153 | METHOD FOR BEND STRAIGHTENING | Aug 06, 19 | Jul 29, 21 | 501 Nippon Steel Corporation |
| 2019/0240,712 | REROUNDING TOOL FOR REROUNDING OF TUBULAR STRUCTURES AND THE LIKE | Sep 12, 18 | Aug 08, 19 | Not available |
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