Class B21J : FORGING; HAMMERING; PRESSING; RIVETING; FORGE FURNACES
Subclass 5/10: Methods for forging, hammering, or pressing (for working sheet metal or metal tubes, rods, or profiles B21D; for working wire B21F); Special equipment or accessories therefor for performing particular operations Piercing billets (in combination with extrusion B21C 23/00)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11931983 | Pressing method and method of manufacturing mechanical apparatus | Aug 19, 20 | Mar 19, 24 | NSK LTD. |
| 11541450 | Shaft for steering device, method of manufacturing shaft for steering device, and electric power steering device | Feb 13, 18 | Jan 03, 23 | NSK LTD. |
| 10828686 | Method for manufacturing cylindrical body having different diameters by cold forging | Oct 12, 16 | Nov 10, 20 | NGK SPARK PLUG CO., LTD. |
| 10696122 | Vehicle stabilizer, processing device for eye portion of stabilizer, and processing method for eye portion | Apr 17, 18 | Jun 30, 20 | NHK Spring Co. Ltd. |
| 10328593 | Internal splitting method of cross-section of end of metal plate or metal rod, manufacturing method of metal container and metal pipe by the internal splitting method and joining method of metal components | Jul 22, 14 | Jun 25, 19 | SEKI PRESS CO LTD. |
| 10316384 | Hollow forging process for main shaft of large wind turbine generator | Jan 09, 17 | Jun 11, 19 | Jiangyin Zenkung Forging Co., Ltd. |
| 10092940 | Method for forming a pressed component, method for manufacturing a pressed component, and die apparatus for forming a pressed component | Dec 19, 13 | Oct 09, 18 | KABUSHIKI KAISHA F.C.C. |
| 9982706 | Method of manufacturing light rotor shaft for eco-friendly vehicles | Nov 11, 15 | May 29, 18 | Hyundai Motor Company |
| 9751124 | System and method of making a forged part | Jan 29, 13 | Sep 05, 17 | ARVINMERITOR TECHNOLOGY, LLC |
| 9486845 | Inner surface regulation tool, plug, mandrel, hot rolling mill, press piercing machine, and drawing machine | Aug 22, 13 | Nov 08, 16 | NIPPON STEEL & SUMITOMO METAL CORPORATION |
| 9446445 | Method for manufacturing hollow shafts | Dec 27, 12 | Sep 20, 16 | Bharat Forge Limited |
| 9233408 | Hot forging press machine | Aug 07, 13 | Jan 12, 16 | ASAHI FORGE CORPORATION |
| 8984726 | Method of manufacturing automobile door hinge | Jun 14, 13 | Mar 24, 15 | OGAWA, KAZUYA |
| 6640596 | Apparatus for detecting intensity of shot peening and replacement unit for the apparatus | Apr 05, 02 | Nov 04, 03 | SINTOKOGIO, LTD. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0286,186 | COMPOUND PROFILING FORGING METHOD FOR LARGE WIND TURBINE MAIN SHAFT | Feb 20, 24 | Aug 29, 24 | Not available |
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