F41A 3/64
Mounting of breech-blocks
Official title: Mounting of breech-blocks; Accessories for breech-blocks or breech-block mountings
F41A3/64 (Mounting of breech-blocks) appears on 1,756 US grants and 1,597 published applications in this corpus.
Search patents in F41A- Granted patents
- 1,756
- Published applications
- 1,597
- Assignees
- 515
- Inventors
- 1,852
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 14 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 12 | 0 |
| 1985 | 8 | 0 |
| 1986 | 9 | 0 |
| 1987 | 14 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 12 | 0 |
| 1991 | 17 | 0 |
| 1992 | 11 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 3 | 0 |
| 2001 | 10 | 1 |
| 2002 | 5 | 5 |
| 2003 | 7 | 5 |
| 2004 | 7 | 9 |
| 2005 | 7 | 9 |
| 2006 | 6 | 19 |
| 2007 | 13 | 9 |
| 2008 | 15 | 13 |
| 2009 | 8 | 16 |
| 2010 | 15 | 29 |
| 2011 | 30 | 39 |
| 2012 | 33 | 46 |
| 2013 | 41 | 37 |
| 2014 | 65 | 80 |
| 2015 | 76 | 83 |
| 2016 | 91 | 84 |
| 2017 | 94 | 129 |
| 2018 | 128 | 124 |
| 2019 | 135 | 105 |
| 2020 | 136 | 129 |
| 2021 | 130 | 119 |
| 2022 | 106 | 105 |
| 2023 | 118 | 113 |
| 2024 | 102 | 96 |
| 2025 | 97 | 108 |
| 2026 | 67 | 85 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F41A 3/66Breech housings or frames961
- F41A 3/72Operating handles or levers418
- F41A 3/78Bolt buffer or recuperator means400
- F41A 3/74Obturating or packing devices for gas leak prevention in breech mechanisms96
- F41A 3/68Bolt stops, i.e. means for limiting bolt opening movement77
- F41A 3/70Anti-rebound arrangements, i.e. preventing rebound of the bolt out of the firing40
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