B21D 24/02
Die-cushions
B21D24/02 (Die-cushions) appears on 166 US grants and 133 published applications in this corpus.
Search patents in B21D- Granted patents
- 166
- Published applications
- 133
- Assignees
- 69
- Inventors
- 247
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 11 |
| 2007 | 3 | 8 |
| 2008 | 8 | 6 |
| 2009 | 4 | 6 |
| 2010 | 6 | 5 |
| 2011 | 6 | 6 |
| 2012 | 2 | 2 |
| 2013 | 3 | 4 |
| 2014 | 3 | 7 |
| 2015 | 3 | 6 |
| 2016 | 7 | 10 |
| 2017 | 6 | 6 |
| 2018 | 4 | 11 |
| 2019 | 11 | 9 |
| 2020 | 10 | 8 |
| 2021 | 8 | 2 |
| 2022 | 8 | 8 |
| 2023 | 7 | 3 |
| 2024 | 7 | 4 |
| 2025 | 3 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Die cushion control device, die cushion control method, and storage medium12 May 2026US 12,623,428 B2Mitsubishi Electric Corporation
- Press apparatus and method of manufacturing press-formed product20 Jan 2026US 12,528,263 B2Nippon Steel Corporation
- Gas spring28 Oct 2025US 12,454,990 B2Special Springs S.R.L.
- Devices and methods for controllable forging of forming flow line of complex-shaped component15 Apr 2025US 12,275,058 B1Southwest Technology and Engineering Research Institute
- Tube in tube lubrication for a gas cylinder14 Jan 2025US 12,196,315 B2Barnes Group Inc.
- Press-molding device7 May 2026US 2026/0124662 A1Panasonic Intellectual Property Management Co., Ltd.
- Structural member and method for producing the same19 Jun 2025US 2025/0196219 A1Nippon Steel Corporation
- Die cushion control apparatus and method and die cushion apparatus19 Jun 2025US 2025/0196459 A1Aida Engineering, Ltd.
- Tube in tube lubrication for a gas cylinder30 May 2024US 2024/0175493 A1Barnes Group Inc.
- Lubrication atomization for a gas cylinder arrangement23 May 2024US 2024/0167624 A1Barnes Group Inc.
Most cited
By later US patents