Class B21H : MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
Subclass 1/20: Making articles shaped as bodies of revolution (rolling tubes B21B 17/00-B21B 25/00) cylinders, e.g. rolled transversely rolled longitudinally
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12246370 | Stretch rolling device and stretch rolling method | Sep 10, 20 | Mar 11, 25 | SMS GROUP GMBH |
| 12186793 | Spinning device and spinning method | Aug 17, 22 | Jan 07, 25 | NIHON SPINDLE MANUFACTURING CO., LTD. |
| 12179254 | Apparatus and method for profiling workpieces by cold forming | Nov 14, 19 | Dec 31, 24 | ERNST GROB AG |
| 11179763 | Compressive forming processes for enhancing collapse resistance in metallic tubular products | Feb 14, 18 | Nov 23, 21 | United States Steel Corporation |
| 10948008 | Steering shaft and method for producing a profiled hollow shaft for a telescopic steering shaft of a motor vehicle | Jul 31, 15 | Mar 16, 21 | Thyssenkrupp Presta AG; THYSSENKRUPP AG; |
| 10821490 | Tool changeover system and method | Dec 21, 16 | Nov 03, 20 | SMS GROUP GMBH |
| 10766060 | Grooved wire and system and method for manufacturing grooved wire | Feb 24, 17 | Sep 08, 20 | UNARCO INDUSTRIES, LLC |
| 10695807 | Device for forming round bar into variable shapes | Jan 05, 16 | Jun 30, 20 | Hanyoung Machinery |
| 10634184 | Method for producing a profiled hollow shaft for a telescopic steering shaft and telescopic steering shaft | Sep 22, 15 | Apr 28, 20 | THYSSENKRUPP AG |
| 10603705 | Method for roll-forming disk carriers or the like and the associated profile roller set | Jun 07, 16 | Mar 31, 20 | TransForm Automotive LLC; Webo Werkzeugbau Oberschwaben GmbH; |
| 10193291 | Rotary crimping tool assembly | Jan 22, 15 | Jan 29, 19 | TE Connectivity Corporation |
| 9987670 | Method and device for producing tapering pipe sections on ground screw foundations | Jul 14, 16 | Jun 05, 18 | Krinner Innovation GmbH |
| 9975159 | Tool changeover system and method as well as roll | Feb 10, 15 | May 22, 18 | SMS GROUP GMBH |
| 9782820 | Production method for a semi-finished product | Jun 08, 11 | Oct 10, 17 | HILTI AKTIENGESELLSCHAFT |
| 9718115 | Production method for a semi-finished product and semi-finished product | Jul 14, 11 | Aug 01, 17 | HILTI AKTIENGESELLSCHAFT |
| 9421591 | Method and device for producing conical pipe sections in helical foundations | Jul 12, 12 | Aug 23, 16 | KRINNER INNOVATION GMBH |
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
