Class B21D : WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING
Subclass 3/00: 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)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11958094 | Side rail repair tool | Jul 15, 22 | Apr 16, 24 | Not available |
| 11872628 | Low thermal stress metal structures | Aug 23, 18 | Jan 16, 24 | Powdermet Inc. |
| 11845123 | Systems and processes for manufacturing nested components | Jan 29, 21 | Dec 19, 23 | Focal Point, LLC |
| 11370564 | Adjustable internal support restraint device for roundness control of cabin component | Feb 04, 21 | Jun 28, 22 | Harbin Institute of Technology |
| 11318515 | Large diameter pipe rounding tool and method of use | Feb 08, 21 | May 03, 22 | Sigma Corporation |
| 11198165 | Pin reforming tool | Mar 12, 19 | Dec 14, 21 | Westinghouse Electric Company LLC |
| 10955133 | Method for flame straightening and burner assembly for this purpose | Mar 29, 18 | Mar 23, 21 | Linde Aktiengesellschaft |
| 10780532 | Dolly device | Nov 10, 17 | Sep 22, 20 | Not available |
| 10758961 | Mechanical spreader | Dec 20, 16 | Sep 01, 20 | CARROSSERIE TECHNIC |
| 10725447 | Method for automated straightening of welded assemblies | Oct 24, 18 | Jul 28, 20 | Bombardier Transportation GmbH |
| 10335844 | Folding device for forming a corrugation in a metal sheet and method for using a folding device | May 06, 15 | Jul 02, 19 | GAZTRANSPORT ET TECHNIGAZ |
| 10160026 | Variable pitch punch apparatus | Aug 13, 14 | Dec 25, 18 | GKN EVO EDRIVE SYSTEMS LIMITED |
| 9938602 | Production method and production facility of metal pipe | Feb 22, 13 | Apr 10, 18 | Nippon Steel & Sumitomo Metal Corporation |
| 9889484 | Rub rail repair tool and method | Nov 11, 16 | Feb 13, 18 | Not available |
| 9776228 | Pilger rolling train | Sep 13, 13 | Oct 03, 17 | SANDVIK MATERIALS TECHNOLOGY DEUTSCHLAND GMBH |
| 9757781 | Metal strips straightening machine | Apr 22, 15 | Sep 12, 17 | Not available |
| 9724742 | Method of forming flat bar | Aug 07, 14 | Aug 08, 17 | AZZ WSI LLC |
| 9669495 | Apparatus for refurbishing a gas turbine nozzle | Nov 10, 14 | Jun 06, 17 | DRESSER-RAND COMPANY, LEADING EDGE TURBINE TECHNOLOGIES, LTD., |
| 9597720 | Rub rail repair tool and method | May 07, 15 | Mar 21, 17 | Not available |
| 9539635 | Gripper head for gripping arrangements for manipulating long workpieces, device for feeding long workpieces into and removing same from a processing machine and method for bend-straightening long workpieces | Aug 30, 11 | Jan 10, 17 | M A E MASCHINEN-UND APPARATEBAU GOTZEN GMBH |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0216,974 | SIDE RAIL REPAIR TOOL | Mar 19, 24 | Jul 04, 24 | Not available |
| 2020/0147,663 | WHEEL END SURFACE DETECTION AND CORRECTION DEVICE | Jul 10, 19 | May 14, 20 | CITIC DICASTAL CO., LTD |
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
