F41A 25/20
Hydropneumatic systems
F41A25/20 (Hydropneumatic systems) appears on 29 US grants and 15 published applications in this corpus.
Search patents in F41A- Granted patents
- 29
- Published applications
- 15
- Assignees
- 20
- Inventors
- 48
- Latest grant
- 15 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 3 | 2 |
| 2004 | 2 | 2 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Artillery weapon9 Jul 2026US 2026/0194324 A1BAE SYSTEMS plc
- Soft recoil system7 May 2020US 2020/0141684 A1Mandus Group LLC
- Soft Recoil System16 Nov 2017US 2017/0328667 A1Mandus Group LLC
- Soft Recoil System12 Nov 2015US 2015/0323277 A1Mandus Group LLC
- Field gun aim17 Apr 2014US 2014/0102286 A1BAE SYSTEMS plc
Most cited
By later US patents
- Firearm pneumatic counter-recoil modulator and airgun thrust-adjustor43US 6,901,689 B12005
- Compact artillery36US 6,571,676 B12003
- Firearm pneumatic counter-recoil modulator & airgun thrust-adjustor36US 6,668,478 B22003
- Lightweight gun systems14US 5,531,150 ALockheed Missiles & Space Company, Inc. · 1996
- Ordnance recoil energy control and recovery system13US 4,296,670 AGeneral Electric Company · 1981