Class B21D : WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING
Subclass 3/16: 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) of specific articles made from metal rods, tubes, or profiles, e.g. crankshafts, by specially-adapted methods or means
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11890663 | Device and method for opening folded heat exchanger cores | Sep 23, 20 | Feb 06, 24 | MAHLE International GmbH |
| 11826811 | Irregular tube straightener | Jul 07, 22 | Nov 28, 23 | Not available |
| 11679430 | Method of correcting bend of joint type-turbine rotor | Nov 24, 20 | Jun 20, 23 | KABUSHIKI KAISHA TOSHIBA; Toshiba Energy Systems & Solutions Corporation; |
| 11554401 | Aluminum alloy wheel end face correcting equipment | Nov 18, 20 | Jan 17, 23 | CITIC Dicastal Co., Ltd. |
| 11512735 | Method and device for post-processing a crankshaft | May 24, 18 | Nov 29, 22 | MASCHINENFABRIK ALFING KESSLER GMBH |
| 11465187 | Bent rotor straightening method using low frequency induction heating and bent rotor straightening apparatus using same | Mar 20, 19 | Oct 11, 22 | KOREA ELECTRIC POWER CORPORATION; KOREA MIDLAND POWER CO., LTD.; KOREA WESTERN POWER CO., LTD.; KOREA SOUTH POWER CO., LTD.; KOREA EAST-WEST POWER CO., LTD.; |
| 11465188 | Robot for straightening double thin-wall section pipe with undesirably shaped cavities | Jun 16, 20 | Oct 11, 22 | Hefei University of Technology |
| 11376643 | Aluminum alloy wheel shape-correcting equipment | Nov 09, 20 | Jul 05, 22 | CITIC DICASTAL CO., LTD |
| 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 |
| 10960449 | Exhaust system repair apparatus and repair method | Apr 19, 19 | Mar 30, 21 | Not available |
| 10682682 | Device for performing strengthening treatment on tooth root of gear | Oct 12, 17 | Jun 16, 20 | Not available |
| 10300523 | Crankshaft and method of strengthening shaft component | Mar 16, 15 | May 28, 19 | Honda Motor Co. Ltd. |
| 10288045 | System and method for repairing dents in wind turbine tower sections and a related dent repair tool | Dec 21, 15 | May 14, 19 | General Electric Company |
| 10189066 | Wheel straightener device | Sep 25, 17 | Jan 29, 19 | GAHOTECH SISTEMAS AUTOMOTIVOS EIRELI-EPP |
| 10125611 | System and method for in situ repair of turbine blades of gas turbine engines | Feb 17, 16 | Nov 13, 18 | General Electric Company |
| 10010919 | Method and arrangement for aligning a vehicle | Dec 14, 09 | Jul 03, 18 | Car-O-Liner AB |
| 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. |
| 9937544 | Motorcycle frame rack | Jun 05, 17 | Apr 10, 18 | Not available |
| 9889484 | Rub rail repair tool and method | Nov 11, 16 | Feb 13, 18 | Not available |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0198,404 | Drill Bit Straightening System | Dec 20, 23 | Jun 20, 24 | Marmon Holdings Inc. |
| 2022/0088,661 | DEVICE AND METHOD FOR OPENING FOLDED HEAT EXCHANGER CORES | Sep 23, 20 | Mar 24, 22 | MAHLE International GmbH |
| 2021/0154,719 | Aluminum alloy wheel shape-correcting equipment | Nov 09, 20 | May 27, 21 | Not available |
| 2021/0055,090 | Apparatus for Correcting Bullet Cartridge Casing Neck Distortions | Sep 23, 20 | Feb 25, 21 | Not available |
| 2020/0406,325 | FIN STRAIGHTENING TOOL AND METHOD FOR STRAIGHTENING BENT RADIATOR FINS | Jun 28, 19 | Dec 31, 20 | Not available |
| 2020/0406,326 | ROBOT FOR STRAIGHTENING DOUBLE THIN-WALL SECTION PIPE WITH MULTI-CAVITY SPECIAL-SHAPED | Jun 16, 20 | Dec 31, 20 | Not available |
| 2020/0331,048 | Exhaust System Repair Apparatus and Repair Method | Apr 19, 19 | Oct 22, 20 | Not available |
| 2018/0178,264 | MOTORCYCLE FRAME RACK | Feb 23, 18 | Jun 28, 18 | Not available |
| 2016/0144,415 | SUCKER ROD | Feb 01, 16 | May 26, 16 | Not available |
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