F42B 33/12
Crimping shotgun cartridges
Official title: Crimping shotgun cartridges {(F42B33/004 takes precedence)}
F42B33/12 (Crimping shotgun cartridges) appears on 12 US grants and 12 published applications in this corpus.
Search patents in F42B- Granted patents
- 12
- Published applications
- 12
- Assignees
- 6
- Inventors
- 23
- Latest grant
- 21 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 2 | 2 |
| 2019 | 2 | 4 |
| 2020 | 0 | 0 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Shotgun shell crimper8US 4,048,899 AMayville Engineering Company, Inc. · 1977
- Shell reloader device7US 11,353,306 B12022
- Biodegradable shotgun wad system4US 10,139,206 B2College of William and Mary · 2018
- Biodegradable shotgun wad system4US 10,480,914 B2College of William and Mary · 2019
- Rotary-drive ammunition reloading systems with discontinuous stroke speed4US 11,085,746 B2Dillon Precision Products, Inc. · 2021