Class B21J : FORGING; HAMMERING; PRESSING; RIVETING; FORGE FURNACES
Subclass 5/08: 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 Upsetting
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12090544 | Rebar upsetting process and rebar upset forging machine | Dec 08, 23 | Sep 17, 24 | ZHEJIANG RUICHENG MACHINERY MANUFACTURING CO., LTD. |
| 11931983 | Pressing method and method of manufacturing mechanical apparatus | Aug 19, 20 | Mar 19, 24 | NSK LTD. |
| 11890667 | Method and device for thickening a plastically deformable hollow body wall of a hollow body, in particular in portions, and manufacturing method and machine for producing a hollow body | Apr 16, 21 | Feb 06, 24 | FELSS Systems GmbH |
| 11661903 | Forming near-net shape single-piece piston blanks | Feb 21, 22 | May 30, 23 | KS Kolbenschmidt US, Inc. |
| 11590547 | Method of manufacturing variable wall thickness steel pipe and variable wall thickness steel pipe | Feb 14, 17 | Feb 28, 23 | 501 Nippon Steel Corporation |
| 11478840 | Manufacturing method of wire rod, manufacturing apparatus of wire rod, wire rod, and motor | Jun 12, 18 | Oct 25, 22 | Nidec Corporation |
| 11426785 | Method for the forming manufacturing of a gear toothing and tool device for the calibration of the gear cutting inlet and/or gear cutting outlet | Nov 24, 16 | Aug 30, 22 | ZF FRIEDRICHSHAFEN AG |
| 11383291 | Hollow drive shaft using upsetting method and manufacturing method therefor | Nov 29, 18 | Jul 12, 22 | ILJIN STEEL CORPORATION |
| 11285570 | Method of manufacturing engine valve intermediate product with boss portion | Apr 26, 21 | Mar 29, 22 | NITTAN VALVE CO., LTD. |
| 11286877 | Methods for forging a piston blank | Feb 19, 19 | Mar 29, 22 | KS Kolbenschmidt US, Inc. |
| 11161166 | Forging method and forging apparatus | Aug 05, 16 | Nov 02, 21 | BUMCHUN PRECISION CO., LTD. |
| 11131237 | Variable nozzle unit, turbocharger, and method for manufacturing variable nozzle unit | Mar 27, 17 | Sep 28, 21 | IHI CORPORATION |
| 11103916 | Swaging device and press | May 05, 16 | Aug 31, 21 | CIE Automotive, S.A. |
| 11065673 | Hot steel forging in horizontal press | Apr 11, 16 | Jul 20, 21 | TECNIFORJA—FORJAGEM E ESTAMPAGEM DE PEÇAS TÉCNICAS, LDA |
| 11045860 | Textured sheet metal, and process and apparatus for producing textured sheet metal | May 31, 18 | Jun 29, 21 | Gripmetal Limited |
| 11045853 | Method and tools for manufacturing of seamless tubular shapes, especially tubes | Feb 20, 17 | Jun 29, 21 | Aalto University Foundation sr |
| 11007564 | Method and device for thickening a plastically deformable hollow body wall of a hollow body, in particular in portions, and manufacturing method and machine for producing a hollow body | Jan 03, 18 | May 18, 21 | FELSS Systems GmbH |
| 10961613 | Method for controlling microstructure and texture of tantalum | Apr 23, 15 | Mar 30, 21 | Agency for Defense Development |
| 10953486 | Additive forging method for preparing homogenized forged pieces | Jul 18, 19 | Mar 23, 21 | INSTITUTE OF METAL RESEARCH ACADEMY OF SCIENCES |
| 10933462 | Method for forging shaft member of constant velocity universal joint | Jun 20, 16 | Mar 02, 21 | NTN Corporation |
| 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 |
| 2022/0297,179 | HOLLOW DRIVE SHAFT USING UPSETTING METHOD AND MANUFACTURING METHOD THEREFOR | Jun 09, 22 | Sep 22, 22 | Not available |
| 2021/0252,584 | HOLLOW DRIVE SHAFT USING UPSETTING METHOD AND MANUFACTURING METHOD THEREFOR | Nov 29, 18 | Aug 19, 21 | Not available |
| 2020/0198,000 | METHOD AND APPARATUS FOR SHAFT DIAMETER ENLARGEMENT | Sep 07, 18 | Jun 25, 20 | Neturen Co. Ltd. |
| 2018/0333,768 | FORGING APPARATUS AND METHOD | May 14, 18 | Nov 22, 18 | Rolls Royce plc |
| 2018/0304,343 | COMPOSITE MEMBER AND METHOD FOR PRODUCING COMPOSITE MEMBER | Oct 20, 16 | Oct 25, 18 | Neturen Co. Ltd. |
| 2018/0200,782 | METHOD FOR FORGING SHAFT MEMBER OF CONSTANT VELOCITY UNIVERSAL JOINT | Jun 20, 16 | Jul 19, 18 | Not available |
| 2018/0056,371 | METHOD AND APPARATUS FOR MANUFACTURING STEPPED MEMBER | May 13, 16 | Mar 01, 18 | NETUREN CO., LTD. |
| 2017/0173,660 | METAL COMPONENT STURCTURE AND METAL COMPONENT SWAGING METHOD | Nov 11, 16 | Jun 22, 17 | HONDA MOTOR CO., LTD. |
| 2016/0346,828 | SHAFT HOLDING SLEEVE, SHAFT DIAMETER ENLARGING APPARATUS AND JIG FOR SHAFT DIAMETER ENLARGING APPARATUS | Mar 17, 15 | Dec 01, 16 | NETUREN CO., LTD. |
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