B21D 9/08
In press brakes or between rams and anvils or abutments
Official title: in press brakes or between rams and anvils or abutments; Pliers with forming dies
B21D9/08 (In press brakes or between rams and anvils or abutments) appears on 24 US grants and 11 published applications in this corpus.
Search patents in B21D- Granted patents
- 24
- Published applications
- 11
- Assignees
- 18
- Inventors
- 43
- Latest grant
- 24 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 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 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 2 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Bender24 Oct 2023US 11,794,233 B1
- System and method for connecting metal workpieces14 Feb 2023US 11,577,295 B2
- Tube bending systems25 Oct 2022US 11,478,838 B2Rogue Fabrication, LLC
- Apparatus and method for forming large-scale thin-walled ring shell by hot-press bending with internal gas pressure16 Aug 2022US 11,413,672 B2Dalian University of Technology
- Method of forming a closed cross-sectional structure25 Dec 2018US 10,160,031 B2Jfe Steel Corporation
- Hollow shell part manufacturing method30 Jan 2025US 2025/0033105 A1Nippon Steel Corporation
- Tube bending systems26 May 2022US 2022/0161309 A1Rogue Fabrication, LLC
- Apparatus and method for forming large-scale thin-walled ring shell by hot-press bending with internal gas pressure25 Nov 2021US 2021/0362209 A1Dalian University of Technology
- System and method for connecting metal workpieces8 Oct 2020US 2020/0316666 A1
- Method for pressing groove section with bending angle smaller than or equal to 90 degrees22 Mar 2018US 2018/0078985 A1Nantong Chang Rong Mechanical and Electrical Co. Ltd
Most cited
By later US patents
- Apparatus for hydroforming a vehicle manifold23US 5,485,737 AMascotech Tubular Products, Inc. · 1996
- Method for producing a bumper reinforcement23US 6,813,920 B2Asteer Co., Ltd. · 2004
- Process for hydroforming a vehicle manifold22US 5,471,857 AMascotech Tubular Products, Inc. · 1995
- Method and apparatus for controlled bending of strip stock15US 5,214,951 A1993
- Machine and method for manufacturing crossover fittings14US 5,396,786 AMueller Industries, Inc. · 1995