B21D 51/30
Folding the circumferential seam
B21D51/30 (Folding the circumferential seam) appears on 204 US grants and 139 published applications in this corpus.
Search patents in B21D- Granted patents
- 204
- Published applications
- 139
- Assignees
- 124
- Inventors
- 355
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 3 |
| 2003 | 6 | 8 |
| 2004 | 2 | 9 |
| 2005 | 7 | 5 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 4 | 3 |
| 2009 | 0 | 1 |
| 2010 | 4 | 6 |
| 2011 | 0 | 7 |
| 2012 | 4 | 6 |
| 2013 | 4 | 6 |
| 2014 | 4 | 4 |
| 2015 | 7 | 4 |
| 2016 | 3 | 4 |
| 2017 | 4 | 6 |
| 2018 | 3 | 4 |
| 2019 | 3 | 10 |
| 2020 | 6 | 3 |
| 2021 | 5 | 4 |
| 2022 | 2 | 5 |
| 2023 | 3 | 8 |
| 2024 | 7 | 21 |
| 2025 | 9 | 6 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Folding shaft device for a closer, and method for fastening a can lid to a can body8 Sep 2026US 12,728,454 B2Ferrum Packaging AG
- Method for monitoring sealer25 Aug 2026US 12,715,031 B2Ferrum Packaging AG
- Control device for sealer25 Aug 2026US 12,715,032 B2Ferrum Packaging AG
- Seaming shaft arrangement for a sealer21 Jul 2026US 12,686,047 B2Ferrum Packaging AG
- Quick change guide rail assemblies26 May 2026US 12,637,293 B2JBT Marel Corporation
- Apparatus and method for sealing cans17 Sep 2026US 2026/0273611 A1Krones AG
- Apparatus for sealing cans28 May 2026US 2026/0145222 A1Krones AG
- Rotary apparatus and method for sealing a rotary apparatus28 May 2026US 2026/0145925 A1Krones AG
- Method for monitoring seaming tools14 May 2026US 2026/0131926 A1Ferrum Packaging AG
- Crimping apparatus for battery cell13 Nov 2025US 2025/0345841 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Can end and method for fixing the same to a can body110US 6,065,634 ACrown Cork & Seal Technologies Corporation · 2000
- Containers98US 5,957,647 ACarnaudmetalbox (Holdings) USA, Inc. · 1999
- Metallic beverage can end with improved chuck wall and countersink76US 7,100,789 B2Ball Corporation · 2006
- Double-seamed can end and method for forming71US 6,419,110 B1Container Development, Ltd. · 2002
- Door made of folded sheet metal62US 5,121,593 AAktiebolaget Electrolux · 1992