Class B21H : MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
Subclass 1/22: Making articles shaped as bodies of revolution (rolling tubes B21B 17/00-B21B 25/00) characterised by use of rolls having circumferentially varying profile
| 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 |
| 11707792 | Scattered topography rolling of powered metal gears | Sep 28, 20 | Jul 25, 23 | GM Global Technology Operations LLC |
| 11498116 | Stretch rolling method and stretch rolling unit | Jan 31, 18 | Nov 15, 22 | SMS GROUP GMBH |
| 11135642 | Method for manufacturing ring-rolled product | Dec 01, 16 | Oct 05, 21 | Hitachi Metals LTD |
| 10583476 | Bending forge rolling | Mar 13, 17 | Mar 10, 20 | Hirschvogel Umformtechnik GmbH |
| 10330575 | Apparatus and method for attaching and testing a sleeve with a coupling end to a steel wire | Apr 25, 17 | Jun 25, 19 | Wireteknik AB |
| 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 |
| 8887396 | Manufacturing method of roller for manufacturing patterned retarder film | May 30, 12 | Nov 18, 14 | BENQ MATERIALS CORPORATION |
| 7475581 | Method of increasing the control precision of the path of a product in a levelling machine with interlocking rollers, and levelling installation used to implement same | Sep 28, 04 | Jan 13, 09 | PRIMETALS TECHNOLOGIES FRANCE SAS, VAI CLECIM, VAI CLECIM, SOCIETE PAR ACTIONS SIMPLIFIEE, VIA CLECIM, SOCIETE PAR ACTIONS SIMPLIFIEE, |
| 6942763 | Textured-metastable aluminum alloy sputter targets and method of manufacture | Apr 11, 03 | Sep 13, 05 | PRAXAIR S.T. TECHNOLOGY, INC. |
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