B21D 24/10
Devices controlling or operating blank holders independently, or in conjunction with dies
B21D24/10 (Devices controlling or operating blank holders independently, or in conjunction with dies) appears on 168 US grants and 127 published applications in this corpus.
Search patents in B21D- Granted patents
- 168
- Published applications
- 127
- Assignees
- 91
- Inventors
- 305
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 11 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 3 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 0 | 4 |
| 2008 | 1 | 4 |
| 2009 | 0 | 7 |
| 2010 | 2 | 4 |
| 2011 | 9 | 7 |
| 2012 | 2 | 1 |
| 2013 | 2 | 3 |
| 2014 | 2 | 9 |
| 2015 | 5 | 7 |
| 2016 | 9 | 9 |
| 2017 | 6 | 9 |
| 2018 | 6 | 8 |
| 2019 | 13 | 14 |
| 2020 | 7 | 11 |
| 2021 | 10 | 5 |
| 2022 | 12 | 9 |
| 2023 | 6 | 1 |
| 2024 | 5 | 2 |
| 2025 | 2 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for open-loop or closed-loop control of a movement of a die cushion of a die cushion press20 May 2025US 12,303,959 B2Moog Inc.
- Hot press apparatus and method of manufacturing hot-press-formed product1 Apr 2025US 12,263,516 B2Nippon Steel Corporation
- Press-forming apparatus3 Sep 2024US 12,076,774 B2Panasonic Intellectual Property Management Co., Ltd.
- Die cushion device2 Jul 2024US 12,023,723 B2Aida Engineering, Ltd.
- Method for manufacturing press-molded article18 Jun 2024US 12,011,756 B2Kobe Steel, Ltd.
- Asymmetric steel formation device21 May 2026US 2026/0138174 A1Cherng Ji Industrial Co., Ltd.
- Press-molding device7 May 2026US 2026/0124662 A1Panasonic Intellectual Property Management Co., Ltd.
- Die cushion control apparatus and method and die cushion apparatus19 Jun 2025US 2025/0196459 A1Aida Engineering, Ltd.
- Assist drawing device13 Mar 2025US 2025/0083211 A1Aida Engineering, Ltd.
- In-die detection sensor for tapping assembly26 Sep 2024US 2024/0316612 A1Lear Corporation
Most cited
By later US patents
- Die cylinder assembly42US 4,765,227 ATeledyne Hyson · 1988
- Device for the automatic regulation of the push rods of a stamping press36US 4,483,173 ASociete Nationale Industrielle Aerospatiale · 1984
- Drawing installation for a press31US 4,896,594 AL. Schuler GmbH · 1990
- Press having cushioning cylinders each having two chambers whose pressure difference is adjustable to control blank-holding force30US 5,687,598 AToyota Jidosha Kabushiki Kaisha · 1997
- Die cushion apparatus for use in a press machine26US 4,635,466 AKabushiki Kaisha Komatsu Seisakusho · 1987