Class B21H : MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
Subclass 1/06: Making articles shaped as bodies of revolution (rolling tubes B21B 17/00-B21B 25/00) rings of restricted axial length (extending closed shapes of metal bands by simultaneous rolling at two or more zones B21B 5/00)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12233452 | System and method for contouring ring component | Jan 09, 23 | Feb 25, 25 | Rolls Royce plc |
| 12168253 | Method of manufacturing ring-rolled element | Dec 16, 20 | Dec 17, 24 | PROTERIAL, LTD. |
| 12083580 | Method for forging niobium-tungsten alloy forged ring | Dec 22, 21 | Sep 10, 24 | Xi'an Space Engine Company Limited |
| 11718339 | Method for manufacturing a vehicle steering wheel | Sep 06, 18 | Aug 08, 23 | Autoliv Development AB |
| 11365099 | Rope drum and method for the production thereof | May 28, 20 | Jun 21, 22 | LIEBHERR-COMPONENTS BIBERACH GMBH |
| 11208910 | Ring molded article manufacturing method and ring material | Nov 20, 19 | Dec 28, 21 | Hitachi Metals, Ltd.; Nippon Institute of Technology; |
| 11135642 | Method for manufacturing ring-rolled product | Dec 01, 16 | Oct 05, 21 | Hitachi Metals LTD |
| 11110499 | Circular rolling mill with shaping rollers and method for controlling the position of a roller of such a rolling mill | Sep 29, 17 | Sep 07, 21 | FORGE PAT GMBH |
| 11033950 | Method for producing a gas or liquid tank | Nov 28, 16 | Jun 15, 21 | LEIFELD METAL SPINNING AG |
| 10926310 | Endless metal ring manufacturing method and endless metal ring resin removal device | Sep 13, 18 | Feb 23, 21 | 501 Toyota Jidosha Kabushiki Kaisha |
| 10882097 | Ring-rolling machine and method for lifting and lowering the mandrel roll of a ring-rolling machine | Mar 08, 19 | Jan 05, 21 | SMS GROUP GMBH |
| 10870144 | Ring rolling device with axially fixed rolling bearings | Apr 13, 16 | Dec 22, 20 | Hatebur Umformmaschinen AG |
| 10843245 | Endless metal ring manufacturing method and endless metal ring resin removal device | Sep 13, 18 | Nov 24, 20 | 501 Toyota Jidosha Kabushiki Kaisha |
| 10722933 | Ring-rolling machine and method for lifting and lowering the mandrel roll of a ring-rolling machine | Jan 31, 17 | Jul 28, 20 | SMS GROUP GMBH |
| 10632522 | Method of manufacturing preliminary formed body and axisymmetrical component | Apr 07, 15 | Apr 28, 20 | Kawasaki Jukogyo Kabushiki Kaisha |
| 10543523 | Forging tool for the manufacturing of a shaped rolled ring, notably for the manufacture of a turbomachine disc | Feb 02, 15 | Jan 28, 20 | SAFRAN AIRCRAFT ENGINES |
| 10519795 | Ring molded article manufacturing method and ring material | Aug 27, 15 | Dec 31, 19 | HITACHI METALS, LTD; Nippon Institute of Technology; |
| 10507502 | Forming machine, particularly ring-rolling machine | Apr 10, 15 | Dec 17, 19 | SMS GROUP GMBH |
| 10493517 | Method for producing a ring with a toothing | Jul 05, 16 | Dec 03, 19 | ThyssenKrupp Rothe Erde GmbH; THYSSENKRUPP AG; |
| 10471555 | Method for manufacturing annular member | Nov 26, 14 | Nov 12, 19 | NSK Ltd. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0383,030 | Ring-rolling mill and method for operating same | Oct 11, 22 | Nov 21, 24 | SMS group GMBH |
| 2024/0253,105 | Method for rolling a ring-shaped rolling product having an open cylindrical cross section in a ring rolling machine, and ring rolling machine for carrying out the method | May 02, 22 | Aug 01, 24 | SMS group GMBH |
| 2022/0126,355 | METHOD FOR FORGING NIOBIUM-TUNGSTEN ALLOY FORGED RING | Dec 22, 21 | Apr 28, 22 | Not available |
| 2022/0032,359 | PRODUCTION METHOD FOR RING-ROLLED MATERIAL OF Fe-Ni-BASED SUPERALLOY | Sep 19, 19 | Feb 03, 22 | Not available |
| 2020/0306,818 | METHOD FOR MANUFACTURING RING-ROLLED PRODUCT | Dec 01, 16 | Oct 01, 20 | Not available |
| 2020/0261,962 | RADIAL/AXIAL RING ROLLING MILL FOR ROLLING A RING | Aug 22, 18 | Aug 20, 20 | Not available |
| 2017/0297,080 | RING MOLDED ARTICLE MANUFACTURING METHOD | Aug 27, 15 | Oct 19, 17 | HITACHI METALS, LTD., HITACHI METALS MMC SUPERALLOY, LTD., |
| 2017/0043,389 | METHOD OF MANUFACTURING PRELIMINARY FORMED BODY AND AXISYMMETRICAL COMPONENT | Apr 07, 15 | Feb 16, 17 | KAWASAKI JUKOGYO KABUSHIKI KAISHA |
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