B21D 28/325
Using cam or wedge mechanisms
Official title: {using cam or wedge mechanisms, e.g. aerial cams}
B21D28/325 (Using cam or wedge mechanisms) appears on 15 US grants and 26 published applications in this corpus.
Search patents in B21D- Granted patents
- 15
- Published applications
- 26
- Assignees
- 19
- Inventors
- 49
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 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 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 4 |
| 2016 | 1 | 0 |
| 2017 | 0 | 3 |
| 2018 | 1 | 3 |
| 2019 | 1 | 4 |
| 2020 | 0 | 2 |
| 2021 | 3 | 0 |
| 2022 | 4 | 2 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents