B21D 26/029
Closing or sealing means
B21D26/029 (Closing or sealing means) appears on 36 US grants and 20 published applications in this corpus.
Search patents in B21D- Granted patents
- 36
- Published applications
- 20
- Assignees
- 30
- Inventors
- 80
- Latest grant
- 19 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 3 |
| 2019 | 2 | 2 |
| 2020 | 3 | 3 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device and method for forming metal plate by using high-energy electric pulse to drive energetic materials19 Jul 2022US 11,389,853 B2Harbin Institute of Technology
- Blow molding device capable of continuous processing14 Dec 2021US 11,198,169 B2Korea Institute of Materials Science
- Method of producing hollow objects and an arrangement for such method11 Aug 2020US 10,737,308 B2Zapadoceska Univerzita V Plzni
- Method for quick gas bulging forming of hot metal sheet14 Jul 2020US 10,710,139 B2Harbin Institute of Technology
- Steelpan musical instrument hydroforming press19 May 2020US 10,654,087 B2
- Internal expanded fluid forming method11 Jun 2026US 2026/0158539 A1Changchun Yinsu Lisheng Technology Development Co., Ltd.
- Device and method for forming metal plate by using high-energy electric pulse to drive energetic materials24 Jun 2021US 2021/0187579 A1Harbin Institute of Technology
- Steelpan musical instrument hydroforming press6 Aug 2020US 2020/0246858 A1
- Blow molding device capable of continuous processing30 Apr 2020US 2020/0130040 A1Korea Institute of Machinery & Materials
- Steelpan musical instrument hydroforming press2 Jan 2020US 2020/0001343 A1
Most cited
By later US patents
- Quick plastic forming of aluminum alloy sheet metal71US 6,253,588 B1General Motors Corporation · 2001
- Apparatus for manufacturing rupture disks33US 4,492,103 ABS&B Safety Systems, Inc. · 1985
- Bonding using induction heating28US 5,793,024 AThe Boeing Company · 1998
- Bonded assemblies22US 6,040,563 AThe Boeing Company · 2000
- Method for blow down hydroforming sheet material18US 5,932,167 AHy Tech Worldwide, Inc. · 1999