B21D 22/12
Using enclosed flexible chambers
Official title: using enclosed flexible chambers
B21D22/12 (Using enclosed flexible chambers) appears on 58 US grants and 27 published applications in this corpus.
Search patents in B21D- Granted patents
- 58
- Published applications
- 27
- Assignees
- 36
- Inventors
- 96
- Latest grant
- 7 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 3 | 4 |
| 2015 | 0 | 2 |
| 2016 | 5 | 3 |
| 2017 | 4 | 3 |
| 2018 | 4 | 3 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Systems and methods for electromagnetic forming of containers7 Mar 2023US 11,596,994 B2Belvac Production Machinery, Inc.
- Systems and methods for electromagnetic forming of containers17 May 2022US 11,335,486 B2Belvac Production Machinery, Inc.
- Systems and process improvements for high speed forming of containers using porous or other small mold surface features29 Dec 2020US 10,875,073 B2Belvac Production Machinery, Inc.
- Can body take-away mechanism for vertical bodymaker13 Nov 2018US 10,124,393 B2Stolle Machinery Company, LLC
- Systems and methods for electromagnetic forming of containers25 Sep 2018US 10,081,045 B2Belvac Production Machinery, Inc.
- Systems and methods for electromagnetic forming of containers29 Jun 2023US 2023/0201904 A1Belvac Production Machinery, Inc.
- Systems and methods for electromagnetic forming of containers25 Aug 2022US 2022/0270797 A1Belvac Production Machinery, Inc.
- Molding device10 Sep 2020US 2020/0282442 A1Mitsubishi Heavy Industries, Ltd.
- Systems and methods for electromagnetic forming of containers13 Dec 2018US 2018/0354016 A1Belvac Production Machinery, Inc.
- Systems and process improvements for high speed forming of containers using porous or other small mold surface features16 Aug 2018US 2018/0229288 A1Belvac Production Machinery, Inc.
Most cited
By later US patents
- Metal forming methods57US 4,188,811 AChem-tronics, Inc. · 1980
- Method of and apparatus for fabricating spiral wrapped cartridge cases25US 4,183,124 AKisco · 1980
- Method of forming spherical shells19US 4,748,837 AHitachi, Ltd. · 1988
- Method for blow down hydroforming sheet material18US 5,932,167 AHy Tech Worldwide, Inc. · 1999
- Seal for blow down platen14US 5,460,773 A1995