B21D 51/48
Making crown caps
B21D51/48 (Making crown caps) appears on 23 US grants and 27 published applications in this corpus.
Search patents in B21D- Granted patents
- 23
- Published applications
- 27
- Assignees
- 13
- Inventors
- 37
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 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 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 3 |
| 2016 | 1 | 2 |
| 2017 | 1 | 4 |
| 2018 | 4 | 3 |
| 2019 | 4 | 4 |
| 2020 | 2 | 3 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 3 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Coated metal closures9 Sep 2025US 12,409,992 B2Crown Packaging Technology, Inc.
- Method and apparatus for sealing a metallic container with a metallic end closure14 Nov 2023US 11,813,657 B2Ball Corporation
- Metal closure for a container, method for making the same and method for capping a container with the same18 Jul 2023US 11,702,250 B2Pelliconi & C. S.P.A.
- Systems and related methods for manufacturing ring pull bottle crowns6 Jun 2023US 11,666,962 B2World Bottling Cap, LLC
- Method and apparatus for sealing a metallic container with a metallic end closure20 Sep 2022US 11,446,730 B2Ball Corporation
- Method and apparatus for sealing a metallic container with a metallic end closure3 Nov 2022US 2022/0347736 A1Ball Corporation
- Reduced gauge bottle cap27 Jan 2022US 2022/0024647 A9World Bottling Cap, LLC
- Systems and related methods for manufacturing ring pull bottle crowns22 Apr 2021US 2021/0114078 A1World Bottling Cap, LLC
- A method and apparatus for sealing a metallic container with a metallic end closure31 Dec 2020US 2020/0406337 A1Ball Corporation
- Metal closure for a container, method for making the same and method for capping a container with the same11 Jun 2020US 2020/0180820 A1Pelliconi & C. S.P.A.
Most cited
By later US patents
- Ice cube evaporator plate assembly15US 10,866,020 B2Hoshizaki America, Inc. · 2020
- Twist off crown10US 8,322,549 B2Crown Packaging Technology, Inc. · 2012
- Ice making machine and ice cube evaporator7US 10,113,785 B2Hoshizaki America, Inc. · 2018
- Method and apparatus for making a tamper-evident crown7US 5,820,326 AProduct Investment, Inc. · 1998
- Ice cube evaporator plate assembly6US 10,107,538 B2Hoshizaki America, Inc. · 2018