B21D 51/2638
Necking
Official title: {Necking}
B21D51/2638 (Necking) appears on 153 US grants and 143 published applications in this corpus.
Search patents in B21D- Granted patents
- 153
- Published applications
- 143
- Assignees
- 75
- Inventors
- 290
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 13 |
| 2011 | 0 | 2 |
| 2012 | 3 | 7 |
| 2013 | 5 | 5 |
| 2014 | 5 | 6 |
| 2015 | 5 | 7 |
| 2016 | 6 | 7 |
| 2017 | 2 | 4 |
| 2018 | 3 | 9 |
| 2019 | 4 | 11 |
| 2020 | 8 | 5 |
| 2021 | 6 | 11 |
| 2022 | 5 | 10 |
| 2023 | 10 | 7 |
| 2024 | 7 | 13 |
| 2025 | 7 | 12 |
| 2026 | 2 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing a metal packaging in the form of a bottle14 Jul 2026US 12,678,852 B2Trivium Packaging Group Netherlands B.V.
- Multi-station neck forming equipment for ring-pull cans21 Apr 2026US 12,605,758 B2Suzhou Slac Precision Equipment Co., Ltd
- Reducing material usage and plastic-deformation steps in the manufacture of aluminum containers2 Dec 2025US 12,485,469 B2Anheuser-Busch, Incorporated
- Polyester-resin-coated seamless can and method for manufacturing the same2 Dec 2025US 12,486,425 B2Toyo Seikan Co., Ltd.
- Preform of a can and method of manufacturing the same18 Nov 2025US 12,472,550 B2Toyo Seikan Co., Ltd.
- Can support member, and method and apparatus for manufacturing seamless can2 Jul 2026US 2026/0183826 A1Toyo Seikan Co., Ltd.
- Ceramic push pad for can necking machine25 Jun 2026US 2026/0175284 A1Stolle Machinery Company, LLC
- Arrangements and methods for necking a can body18 Jun 2026US 2026/0166617 A1Stolle Machinery Company, LLC
- Tapered cup and method of forming the same7 May 2026US 2026/0124661 A1Ball Corporation
- Reducing material usage and plastic-deformation steps in the manufacture of aluminum containers7 May 2026US 2026/0124667 A1
Most cited
By later US patents
- Forming small diameter opening for aerosol, screw cap, or crown cap by multistage necking-in of drawn or drawn and ironed container body147US 3,995,572 ANational Steel Corporation · 1976
- Method and apparatus for die necking a metal container125US 5,713,235 AAluminum Company of America · 1998
- Method and apparatus for necking a metal container and resultant container104US 5,778,723 AAluminum Company of America · 1998
- Method of necking and impact extruded metal container103US 5,572,893 A1996
- Method and apparatus for necking a metal container and resultant container101US 5,355,710 AAluminum Company of America · 1994