B21D 51/28
Folding the longitudinal seam
B21D51/28 (Folding the longitudinal seam) appears on 11 US grants and 8 published applications in this corpus.
Search patents in B21D- Granted patents
- 11
- Published applications
- 8
- Assignees
- 6
- Inventors
- 20
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Roller member for use in an apparatus for closing pittsburgh seams associated with duct assemblies and other box-shaped members21 Oct 2025US 12,449,157 B2Vicon Machinery LLC
- Roller member for use in an apparatus for closing Pittsburgh Seams associated with duct assemblies and other box-shaped members26 Apr 2022US 11,313,578 B2Vicon Machinery LLC
- Roller member for use in an apparatus for closing pittsburgh Seams associated with duct assemblies and other box-shaped members13 Apr 2021US 10,976,071 B2Vicon Machinery LLC
- Roller member for use in an apparatus for closing Pittsburgh seams associated with duct assemblies and other box-shaped members7 Apr 2020US 10,612,812 B2Vicon Machinery LLC
- Apparatus for closing Pittsburgh seams associated with duct assemblies and other box-shaped members13 Feb 2018US 9,889,489 B2Vicon Machinery LLC
- Method for making a battery can for p-type prismatic cells22 Aug 2024US 2024/0278309 A1GM Global Technology Operations LLC
- Roller member for use in an apparatus for closing pittsburgh seams associated with duct assemblies and other box-shaped members7 Jul 2022US 2022/0214074 A1Vicon Machinery LLC
- Roller member for use in an apparatus for closing pittsburgh seams associated with duct assemblies and other box-shaped members17 Dec 2020US 2020/0393161 A1Vicon Machinery LLC
- Roller member for use in an apparatus for closing pittsburgh seams associated with duct assemblies and other box-shaped members11 Jun 2020US 2020/0182507 A1Vicon Machinery LLC
- Apparatus for closing pittsburgh seams associated with duct assemblies and other box-shaped members3 Aug 2017US 2017/0216902 A1Vicon Machinery LLC
Most cited
By later US patents
- Apparatus and method for forming seamed tube25US 4,513,596 AEagle Precision Tool Ltd. · 1985
- Container body side seam construction11US 4,003,492 AMetal Box Limited · 1977
- Container and method of forming same4US 4,048,935 AMetal Box Limited · 1977
- Lapped seam can3US 4,117,188 AHokkai Can Co., Ltd. · 1978
- Method and an apparatus for can making2US 6,769,164 B2Glud & Marstrand A/S · 2004