B21D 51/2623
Curling
Official title: {Curling}
B21D51/2623 (Curling) appears on 38 US grants and 41 published applications in this corpus.
Search patents in B21D- Granted patents
- 38
- Published applications
- 41
- Assignees
- 36
- Inventors
- 100
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 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 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 4 |
| 2014 | 1 | 0 |
| 2015 | 2 | 3 |
| 2016 | 1 | 2 |
| 2017 | 2 | 3 |
| 2018 | 0 | 2 |
| 2019 | 2 | 7 |
| 2020 | 3 | 2 |
| 2021 | 4 | 3 |
| 2022 | 2 | 3 |
| 2023 | 2 | 2 |
| 2024 | 3 | 3 |
| 2025 | 1 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tapered cup and method of forming the same29 Jul 2025US 12,370,594 B2Ball Corporation
- Method and apparatus for producing a rolled curl on an open end of metal container20 Feb 2024US 11,905,065 B2Exal Corporation
- Bottle-shaped can with cap and manufacturing apparatus thereof23 Jan 2024US 11,878,832 B2Daiwa Can Company
- Can body and method of manufacturing thereof2 Jan 2024US 11,858,681 B2Universal Can Corporation
- Can body14 Nov 2023US 11,814,209 B2Universal Can Corporation
- Tapered cup and method of forming the same7 May 2026US 2026/0124661 A1Ball Corporation
- Metal containers and process and installation for manufacturing metal containers30 Oct 2025US 2025/0332632 A1Colep Packaging Barcelona S.L.
- Aluminum cup18 Sep 2025US 2025/0289049 A1LumiTerra, Inc.
- Aluminum cup18 Sep 2025US 2025/0289206 A1LumiTerra, Inc.
- Metal container and manufacturing method therefor7 Nov 2024US 2024/0367847 A1Tokyo Seikan Co., Ltd.
Most cited
By later US patents
- Necked-in aerosol containers39US 4,173,883 AThe Continental Group, Inc. · 1979
- Necked-in aerosol container-method of forming34US 4,261,193 AThe Continental Group, Inc. · 1981
- Method for expanding the diameter of a metal container32US 9,700,929 B2Alcoa USA Corp. · 2017
- Reducing the diameter of tubular bodies19US 4,854,149 AMetal Box Limited · 1989
- Method for making a necked container17US 4,527,412 AStoffel Technologies, Inc. · 1985