B21D 24/08
Pneumatically or hydraulically loaded blank holders
B21D24/08 (Pneumatically or hydraulically loaded blank holders) appears on 62 US grants and 36 published applications in this corpus.
Search patents in B21D- Granted patents
- 62
- Published applications
- 36
- Assignees
- 41
- Inventors
- 121
- Latest grant
- 11 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 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 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 2 |
| 2016 | 2 | 3 |
| 2017 | 2 | 3 |
| 2018 | 0 | 0 |
| 2019 | 4 | 6 |
| 2020 | 0 | 1 |
| 2021 | 4 | 1 |
| 2022 | 3 | 5 |
| 2023 | 4 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of manufacturing press-formed product and press line11 Feb 2025US 12,220,737 B2Nippon Steel Corporation
- Method for press forming and apparatus for press forming automotive outer panel10 Sep 2024US 12,083,578 B2Jfe Steel Corporation
- Die cushion device2 Jul 2024US 12,023,723 B2Aida Engineering, Ltd.
- Press form device and method for producing press-formed articles26 Dec 2023US 11,850,647 B2H-One Co., Ltd.
- Stamping machine and method including variable binder gap19 Dec 2023US 11,845,122 B2Fca US LLC
- Forming station and method for hot forming a blank made of metal, in particular aluminum23 Jul 2026US 2026/0208252 A1Andritz Schuler Pressen GmbH
- System for monitoring vibration response of metal flow in a press stamping process8 May 2025US 2025/0144697 A1CIAB Tech, 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
- Press form device and method for producing press-formed articles27 Apr 2023US 2023/0127151 A1H-One Co., Ltd.
- Press forming method and press forming apparatus for automotive outer panel8 Dec 2022US 2022/0388053 A1Jfe Steel Corporation
Most cited
By later US patents
- Drawing device for presses with mechanically driven drawing ram41US 4,499,750 AL. Schuler GmbH · 1985
- 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
- Drawing device in a press for drawing shaped sheet-metal parts25US 5,138,857 AMaschinenfabrik Mueller-Weingarten AG · 1992