B21D 24/14
Pneumatically or hydraulically
Official title: pneumatically or hydraulically
B21D24/14 (Pneumatically or hydraulically) appears on 110 US grants and 65 published applications in this corpus.
Search patents in B21D- Granted patents
- 110
- Published applications
- 65
- Assignees
- 55
- Inventors
- 152
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 3 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 4 |
| 2011 | 2 | 3 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 1 | 3 |
| 2015 | 3 | 4 |
| 2016 | 5 | 6 |
| 2017 | 3 | 7 |
| 2018 | 1 | 5 |
| 2019 | 9 | 6 |
| 2020 | 5 | 7 |
| 2021 | 5 | 1 |
| 2022 | 8 | 5 |
| 2023 | 4 | 1 |
| 2024 | 2 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Die cushion device2 Jul 2024US 12,023,723 B2Aida Engineering, Ltd.
- Fine blanking press and method for operating the same23 Jan 2024US 11,878,335 B2Lapmaster Wolters GmbH
- Apparatus and methods for forming attachment pads14 Nov 2023US 11,813,655 B2KUKA Systems North America LLC
- 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.
- Hot press apparatus and method of manufacturing hot-press-formed product18 May 2023US 2023/0150004 A1Nippon Steel Corporation
- Apparatus and methods for forming attachment pads24 Nov 2022US 2022/0371073 A1KUKA Systems North America LLC
- Device and method for open-loop or closed-loop control of a movement of a die cushion of a die cushion press11 Aug 2022US 2022/0250133 A1Moog Inc.
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 device for press26US 5,435,166 AKabushiki Kaisha Komatsu Seisakusho · 1995