B21D 24/06
Mechanically spring-loaded blank holders
B21D24/06 (Mechanically spring-loaded blank holders) appears on 20 US grants and 20 published applications in this corpus.
Search patents in B21D- Granted patents
- 20
- Published applications
- 20
- Assignees
- 17
- Inventors
- 38
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 2 | 1 |
| 2018 | 2 | 3 |
| 2019 | 2 | 3 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 2 | 1 |
| 2023 | 1 | 3 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Formed article, structural member using the same, and manufacturing method of formed article10 Sep 2024US 12,084,115 B2Nippon Steel Corporation
- Press mold for vehicle body part20 Jun 2023US 11,679,433 B2Hyundai Motor Company
- Press-formed article manufacturing method and press line25 Oct 2022US 11,478,836 B2Nippon Steel Corporation
- Forming Apparatus and Forming Method6 Aug 2026US 2026/0225291 A1LG Energy Solution, Ltd.
- Formed article, structural member using the same, and manufacturing method of formed article28 Nov 2024US 2024/0391532 A1Nippon Steel Corporation
- Workpiece processing apparatus30 Nov 2023US 2023/0381849 A1Japan Aviation Electronics Industry, Limited
- Workpiece processing apparatus30 Nov 2023US 2023/0381852 A1Japan Aviation Electronics Industry, Limited
- Formed article, structural member using the same, and manufacturing method of formed article30 Mar 2023US 2023/0101313 A1Nippon Steel Corporation
Most cited
By later US patents
- Method of manufacturing low-rigid, wrinkle-free articles37US 4,225,553 AToyo Seikan Kaisha, Ltd. · 1980
- Drawing apparatus20US 4,361,020 AToyo Seikan Kaisha, Ltd. · 1982
- Method of manufacturing formed articles, equipment for practicing same, and formed articles manufactured by the method20US 4,365,499 AToyo Seikan Kaisha, Ltd. · 1982
- Method of manufacturing formed articles, equipment for practicing same, and formed articles manufactured by the method5US 4,365,498 AToyo Seikan Kaisha, Ltd. · 1982
- Press-formed product4US 9,718,113 B2Nippon Steel & Sumitomo Metal Corporation · 2017