B21D 26/039
Means for controlling the clamping or opening of the moulds
B21D26/039 (Means for controlling the clamping or opening of the moulds) appears on 70 US grants and 51 published applications in this corpus.
Search patents in B21D- Granted patents
- 70
- Published applications
- 51
- Assignees
- 50
- Inventors
- 149
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 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 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 3 |
| 2003 | 5 | 2 |
| 2004 | 2 | 4 |
| 2005 | 2 | 2 |
| 2006 | 7 | 4 |
| 2007 | 2 | 3 |
| 2008 | 2 | 3 |
| 2009 | 1 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 5 |
| 2018 | 2 | 6 |
| 2019 | 4 | 2 |
| 2020 | 6 | 4 |
| 2021 | 2 | 1 |
| 2022 | 3 | 3 |
| 2023 | 2 | 2 |
| 2024 | 3 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Molding device14 Jul 2026US 12,678,850 B2Sumitomo Heavy Industries, Ltd.
- Forming device and metal pipe23 Dec 2025US 12,502,704 B2Sumitomo Heavy Industries, Ltd.
- Molding device and metal pipe19 Aug 2025US 12,390,847 B2Sumitomo Heavy Industries, Ltd.
- Hollow body molding aid and molding method26 Nov 2024US 12,151,419 B2Yapp Automotive Systems Co., Ltd.
- Forming system4 Jun 2024US 11,998,969 B2Sumitomo Heavy Industries, Ltd.
- Method and apparatus for calibrating a metal profile blank24 Sep 2026US 2026/0284731 A1Norsk Hydro ASA
- Forming device and forming method1 Aug 2024US 2024/0253103 A1Sumitomo Heavy Industries, Ltd.
- Molding device9 May 2024US 2024/0149323 A1Sumitomo Heavy Industries, Ltd.
- Molding device and metal pipe5 Oct 2023US 2023/0311188 A1Sumitomo Heavy Industries, Ltd.
- Forming device and metal pipe11 May 2023US 2023/0148390 A1Sumitomo Heavy Industries, Ltd.
Most cited
By later US patents
- Apparatus and method for opening and closing stacked hydroforming dies44US 6,986,273 B2Dana Corporation · 2006
- Press apparatus for hydroforming a tube37US 5,233,854 AGeneral Motors Corporation · 1993
- Apparatus and method for reshaping containers36US 5,187,962 ACMB Foodcan plc · 1993
- Method of forming a tubular blank into a structural component and die therefor34US 6,322,645 B12001
- Method of forming a tubular blank into a structural component and die therefor27US 6,613,164 B2Hot Metal Gas Forming Intellectual Property, Inc. · 2003