B21D 22/30
To finish articles formed by deep-drawing
Official title: to finish articles formed by deep-drawing
B21D22/30 (To finish articles formed by deep-drawing) appears on 225 US grants and 194 published applications in this corpus.
Search patents in B21D- Granted patents
- 225
- Published applications
- 194
- Assignees
- 99
- Inventors
- 378
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 6 | 3 |
| 2003 | 1 | 3 |
| 2004 | 2 | 0 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 2 | 4 |
| 2009 | 2 | 3 |
| 2010 | 1 | 3 |
| 2011 | 1 | 5 |
| 2012 | 3 | 2 |
| 2013 | 5 | 5 |
| 2014 | 4 | 8 |
| 2015 | 2 | 9 |
| 2016 | 7 | 6 |
| 2017 | 6 | 11 |
| 2018 | 7 | 21 |
| 2019 | 8 | 18 |
| 2020 | 16 | 14 |
| 2021 | 16 | 10 |
| 2022 | 8 | 14 |
| 2023 | 5 | 19 |
| 2024 | 8 | 8 |
| 2025 | 14 | 14 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Manufacturing method of press-formed article and press line2 Jun 2026US 12,643,139 B2Nippon Steel Corporation
- Method for manufacturing press formed article and press forming device26 May 2026US 12,636,696 B2Jfe Steel Corporation
- Redraw and ironing system5 May 2026US 12,617,012 B2Novelis Inc.
- Apparatus and method for deep drawing of large-sized thin-wall curved surface parts with servo reverse bulging2 Dec 2025US 12,485,466 B2Harbin Institute of Technology
- Reducing material usage and plastic-deformation steps in the manufacture of aluminum containers2 Dec 2025US 12,485,469 B2Anheuser-Busch, Incorporated
- Two-piece metal can and manufacturing method thereof13 Aug 2026US 2026/0233289 A1Daiwa Can Company
- Press-formed product manufacturing method16 Jul 2026US 2026/0199950 A1Jfe Steel Corporation
- Can body, product can, and method for manufacturing can body16 Jul 2026US 2026/0200633 A1Toyo Seikan Co., Ltd.
- Ceramic push pad for can necking machine25 Jun 2026US 2026/0175284 A1Stolle Machinery Company, LLC
- Tapered cup and method of forming the same7 May 2026US 2026/0124661 A1Ball Corporation
Most cited
By later US patents
- Can bottom having improved strength and apparatus for making same98US 6,131,761 ACrown Cork & Seal Technologies Corporation · 2000
- Production method for bottle type can and form-working tool95US 6,499,329 B1Daiwa Can Company · 2002
- Container profile with stacking feature85US 4,685,582 ANational Can Corporation · 1987
- Bottle-shaped can manufacturing method84US 6,857,304 B2Daiwa Can Company · 2005
- Method of making bump-up can bottom76US 6,374,657 B1Crown Cork & Seal Technologies Corporation · 2002