B21C 23/004
Extruding metal: using vibratory energy
Official title: {using vibratory energy}
B21C23/004 (Extruding metal: using vibratory energy) appears on 7 US grants and 7 published applications in this corpus.
Search patents in B21C- Granted patents
- 7
- Published applications
- 7
- Assignees
- 7
- Inventors
- 19
- Latest grant
- 20 Feb 2018
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| Year | Granted patents | Published applications |
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| 1987 | 1 | 0 |
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| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
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| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
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| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Magnesium base alloy tube and its manufacturing method20 Feb 2018US 9,895,732 B2Gohsyu Corporation
- Ultrasonic extrusion apparatus for metal material13 Oct 2015US 9,156,072 B2Korea Institute of Industrial Technology
- Method and device for correcting a bevel error of a polygonal profile, in particular a flank alignment error of a toothing14 Aug 2012US 8,240,179 B2Felss GmbH
- Device and method for forming a workpiece10 Jan 2012US 8,091,400 B2Felss GmbH
- Method of net-forming an article and apparatus for same18 Mar 2008US 7,343,768 B2GM Global Technology Operations LLC
- Method and mechanical arrangement for producing a profile on a plastically deformable workpiece by axial forming27 Nov 2025US 2025/0360589 A1FELSS Systems GmbH
- Extrusion forming apparatus, method using the same, and product therefrom10 Jun 2021US 2021/0170463 A1Metal Industries Research & Development Centre
- Magnesium base alloy tube and its manufacturing method19 Jan 2017US 2017/0014881 A1Gohsyu Corporation
- Ultrasonic extrusion apparatus for metal material3 Jul 2014US 2014/0182347 A1Korea Institute of Industrial Technology
- Device and method for forming a workpiece30 Jul 2009US 2009/0188292 A1Felss GmbH
Most cited
By later US patents
- Device and method for forming, in particular cold-forming, workpieces5US 6,212,929 B12001
- Apparatus for and method of the plastic forming of materials3US 4,635,460 AInstitute po Metaloznanie i Technologia na Metalite · 1987
- Device and method for forming a workpiece2US 8,091,400 B2Felss GmbH · 2012
- Method and device for correcting a bevel error of a polygonal profile, in particular a flank alignment error of a toothing1US 8,240,179 B2Felss GmbH · 2012