B21D 22/20
Deep-drawing
Official title: Deep-drawing (special deep-drawing arrangements in, or in connection with, presses B21D24/00)
B21D22/20 (Deep-drawing) appears on 1,524 US grants and 1,628 published applications in this corpus.
Search patents in B21D- Granted patents
- 1,524
- Published applications
- 1,628
- Assignees
- 650
- Inventors
- 2,975
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 14 | 0 |
| 1978 | 13 | 0 |
| 1979 | 11 | 0 |
| 1980 | 16 | 0 |
| 1981 | 13 | 0 |
| 1982 | 17 | 0 |
| 1983 | 13 | 0 |
| 1984 | 17 | 0 |
| 1985 | 19 | 0 |
| 1986 | 14 | 0 |
| 1987 | 10 | 0 |
| 1988 | 14 | 0 |
| 1989 | 8 | 0 |
| 1990 | 15 | 0 |
| 1991 | 19 | 0 |
| 1992 | 18 | 0 |
| 1993 | 26 | 0 |
| 1994 | 20 | 0 |
| 1995 | 23 | 0 |
| 1996 | 16 | 0 |
| 1997 | 32 | 0 |
| 1998 | 23 | 0 |
| 1999 | 18 | 0 |
| 2000 | 18 | 0 |
| 2001 | 15 | 3 |
| 2002 | 10 | 14 |
| 2003 | 24 | 14 |
| 2004 | 8 | 12 |
| 2005 | 8 | 10 |
| 2006 | 10 | 17 |
| 2007 | 6 | 11 |
| 2008 | 11 | 20 |
| 2009 | 8 | 27 |
| 2010 | 15 | 37 |
| 2011 | 15 | 41 |
| 2012 | 21 | 42 |
| 2013 | 31 | 59 |
| 2014 | 21 | 79 |
| 2015 | 46 | 106 |
| 2016 | 78 | 90 |
| 2017 | 65 | 96 |
| 2018 | 65 | 118 |
| 2019 | 95 | 122 |
| 2020 | 96 | 94 |
| 2021 | 87 | 91 |
| 2022 | 79 | 98 |
| 2023 | 66 | 143 |
| 2024 | 88 | 80 |
| 2025 | 84 | 132 |
| 2026 | 50 | 72 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B21D 22/28Of cylindrical articles using consecutive dies340
- B21D 22/22With devices for holding the edge of the blanks305
- B21D 22/26For making peculiarly266
- B21D 22/30To finish articles formed by deep-drawing225
- B21D 22/208By heating the blank or deep-drawing associated with heat treatment201
- B21D 22/201Work-pieces143
- B21D 22/21Without fixing the border of the blank90
- B21D 22/24Involving two drawing operations having effects in opposite directions with respect to72
Recent patents
- Press forming method22 Sep 2026US 12,741,307 B2Jfe Steel Corporation
- Manufacturing method of press formed product, press forming apparatus, and press forming line22 Sep 2026US 12,741,308 B2Nippon Steel Corporation
- Steel sheet member and method for producing the same8 Sep 2026US 12,728,488 B2Toyota Jidosha Kabushiki Kaisha
- Method for manufacturing press-molded part1 Sep 2026US 12,722,197 B2Futaba Industrial Co., Ltd.
- Radial offset monitor1 Sep 2026US 12,722,198 B2Crown Packaging Technology, Inc.
- Manufacturing method for a metallic part and associated metallic part1 Oct 2026US 2026/0295650 A1
- Punch, a semi-finished can, and a can manufactured with use of the said punch10 Sep 2026US 2026/0264128 A1Canpack S.A.
- Press forming method for metal plate and press apparatus20 Aug 2026US 2026/0241430 A1Honda Motor Co., Ltd.
- Forming system20 Aug 2026US 2026/0246276 A1Sumitomo Heavy Industries, Ltd.
- Method for manufacturing press formed article and die set design method13 Aug 2026US 2026/0233279 A1Jfe Steel Corporation
Most cited
By later US patents
- Apparatus for dieless forming plate materials102US 6,216,508 B1Amino Corporation · 2001
- 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