B21D 24/04
Blank holders
Official title: Blank holders; Mounting means therefor
B21D24/04 (Blank holders) appears on 191 US grants and 184 published applications in this corpus.
Search patents in B21D- Granted patents
- 191
- Published applications
- 184
- Assignees
- 105
- Inventors
- 427
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 6 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 1 | 2 |
| 2007 | 2 | 2 |
| 2008 | 3 | 4 |
| 2009 | 1 | 5 |
| 2010 | 1 | 3 |
| 2011 | 4 | 2 |
| 2012 | 1 | 7 |
| 2013 | 3 | 8 |
| 2014 | 4 | 5 |
| 2015 | 5 | 14 |
| 2016 | 11 | 15 |
| 2017 | 9 | 12 |
| 2018 | 15 | 15 |
| 2019 | 16 | 20 |
| 2020 | 11 | 12 |
| 2021 | 11 | 6 |
| 2022 | 16 | 12 |
| 2023 | 10 | 14 |
| 2024 | 9 | 6 |
| 2025 | 7 | 9 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hot-press molding apparatus, automotive body component, hot-press molding method, and automotive body component manufacturing method30 Jun 2026US 12,667,881 B2G-Tekt Corporation
- Stamping tool with a sub pad within a forming steel and method of forming a panel from a sheet metal workpiece10 Feb 2026US 12,544,818 B2Ford Motor Company
- 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
- Press forming method and press forming apparatus for outer panel of automobile9 Sep 2025US 12,409,489 B2Jfe Steel Corporation
- Production method for press formed product6 Aug 2026US 2026/0225144 A1Nippon Steel Corporation
- Forming Apparatus and Forming Method6 Aug 2026US 2026/0225291 A1LG Energy Solution, Ltd.
- Forming station and method for hot forming a blank made of metal, in particular aluminum23 Jul 2026US 2026/0208252 A1Andritz Schuler Pressen GmbH
- Method of manufacturing vehicle pillar and press forming die26 Mar 2026US 2026/0084202 A1Topre Corporation
- Method of manufacturing vehicle pillar and press forming die12 Feb 2026US 2026/0042137 A1Topre Corporation
Most cited
By later US patents
- Drawing device for presses with mechanically driven drawing ram41US 4,499,750 AL. Schuler GmbH · 1985
- Method of manufacturing low-rigid, wrinkle-free articles37US 4,225,553 AToyo Seikan Kaisha, Ltd. · 1980
- Stamping press having four in one guide pin assembly37US 7,000,446 B2DaimlerChrysler AG · 2006
- Press assembly and method of operation35US 5,003,807 ATeledyne Industries, Inc. · 1991
- Blankholder for a draw press25US 4,745,792 AAluminum Company of America · 1988