F41A 1/06
Adjusting the range without varying elevation angle or propellant charge data
Official title: Adjusting the range without varying elevation angle or propellant charge data, e.g. by venting a part of the propulsive charge gases, or by adjusting the capacity of the cartridge or combustion chamber {(adjusting the range by using gas-relieving ports in the barrel F41A21/28)}
F41A1/06 (Adjusting the range without varying elevation angle or propellant charge data) appears on 25 US grants and 26 published applications in this corpus.
Search patents in F41A- Granted patents
- 25
- Published applications
- 26
- Assignees
- 17
- Inventors
- 46
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 3 | 3 |
| 2015 | 1 | 7 |
| 2016 | 2 | 2 |
| 2017 | 4 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Non-lethal rifle19 Mar 2024US 11,933,557 B2A.T. Cobra
- Method and apparatus for varying projectile velocity16 Mar 2021US 10,948,261 B2Project 47, LLC
- Caseless projectile and launching system12 Sep 2017US 9,759,499 B2Battelle Memorial Institute
- Launcher of short projectiles with detachable barrel18 Apr 2024US 2024/0125575 A1Easebon Services Limited
- Mechanical velocity enhancement assembly1 Feb 2024US 2024/0035761 A1
- Non-lethal rifle16 Dec 2021US 2021/0389065 A1A.T. Cobra
- Method and apparatus for varying projectile velocity17 Oct 2019US 2019/0316872 A1Project 47, LLC
- Launcher with Internal Variable Velocity Valve System25 Apr 2019US 2019/0120578 A1
Most cited
By later US patents
- Firearm with an expansion chamber with variable volume28US 6,374,720 B12002
- Selectable cartridge22US 5,880,397 AScientific Solutions, Inc. · 1999
- Double-barreled bullpup pump-action shotgun21US 9,115,954 B1Connecticut Shotgun Manufacturing Company · 2015
- Augmented service pistol and ammunition weapons system19US 5,479,736 ACerberus Institute for Research and Development, Inc. · 1996
- Compressed gas projectile accelerating linked system for loading and expelling multiple projectiles at controlled varying velocities17US 8,360,042 B22013