B21D 22/205
Hydro-mechanical deep-drawing
Official title: {Hydro-mechanical deep-drawing}
B21D22/205 (Hydro-mechanical deep-drawing) appears on 46 US grants and 36 published applications in this corpus.
Search patents in B21D- Granted patents
- 46
- Published applications
- 36
- Assignees
- 37
- Inventors
- 104
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 4 | 2 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 4 |
| 2009 | 0 | 1 |
| 2010 | 4 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 2 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 2 | 2 |
| 2018 | 0 | 2 |
| 2019 | 2 | 1 |
| 2020 | 0 | 1 |
| 2021 | 3 | 3 |
| 2022 | 3 | 2 |
| 2023 | 1 | 4 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for forming and heat treating near net shape complex structures from sheet metal14 Apr 2026US 12,599,953 B2Spirit AeroSystems, Inc.
- Workpiece processing apparatus6 Jan 2026US 12,515,251 B2Japan Aviation Electronics Industry, Limited
- Workpiece processing apparatus16 Dec 2025US 12,496,628 B2Japan Aviation Electronics Industry, Limited
- Apparatus and method for deep drawing of large-sized thin-wall curved surface parts with servo reverse bulging2 Dec 2025US 12,485,466 B2Harbin Institute of Technology
- Pouch forming method and pouch forming device16 Jan 2024US 11,876,162 B2LG Energy Solution, Ltd.
- Internal expanded fluid forming method11 Jun 2026US 2026/0158539 A1Changchun Yinsu Lisheng Technology Development Co., Ltd.
- Hot air thermoforming of aluminum sheetmetal chassis with 3d texturing28 May 2026US 2026/0145218 A1Dell Products L. P.
- Method for post-forming of stiffening portions in enclosures for battery cells24 Apr 2025US 2025/0132374 A1GM Global Technology Operations LLC
- Impact Hydroforming Mold and Impact Hydroforming Method with Integration of Blank Holder and Feeding24 Oct 2024US 2024/0351087 A1Institute of Metal Reseach Chinese Academy of Sciences
- Workpiece processing apparatus30 Nov 2023US 2023/0381849 A1Japan Aviation Electronics Industry, Limited
Most cited
By later US patents
- Metal sheet forming process with hydraulic counterpressure41US 4,472,955 AAmino Iron Works Co., Ltd. · 1984
- Fluid forming apparatus having controllably variable forming pressure39US 3,962,895 ASaab-Scania Aktiebolag · 1976
- Pressing method and punch and die press for the same33US 4,689,979 AHonda Giken Kogyo Kabushiki Kaisha · 1987
- Hydroforming of composite materials29US 6,631,630 B1Board of Trustees of Michigan State University · 2003
- Arrangement for presses26US 4,392,368 ASaab-Scania Aktiebolag · 1983