F42C 15/22
Using centrifugal force
Official title: using centrifugal force (F42C15/23 takes precedence)
F42C15/22 (Using centrifugal force) appears on 42 US grants and 16 published applications in this corpus.
Search patents in F42C- Granted patents
- 42
- Published applications
- 16
- Assignees
- 27
- Inventors
- 80
- Latest grant
- 29 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 3 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 3 | 2 |
| 2012 | 3 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Centrifugal fuze assembly29 Nov 2022US 11,512,938 B1AURA Technologies, LLC
- Spin-stabilized fuze assembly22 Nov 2022US 11,506,474 B1AURA Technologies, LLC
- Spin acceleration armed inertia igniters and electrical switches for munitions and the like2 Jul 2019US 10,337,848 B2Omnitek Partners LLC
- Safe and arm mechanisms and methods for explosive devices7 Feb 2017US 9,562,755 B2Pacific Scientific Energetic Materials Company
- Munitions safety and arming device for artillery ammunition, and artillery ammunition having the same26 Apr 2016US 9,322,627 B2Agency for Defense Development
- Safety device for an igntter. use of the safety device and method of acttvattng an igntter witit tiits safety devic e10 Jul 2025US 2025/0224218 A1Riieinmetall Air Defence AG
- Centrifugal fuze assembly8 Dec 2022US 2022/0390218 A1AURA Technologies, LLC
- Spin-stabilized fuze assembly8 Dec 2022US 2022/0390219 A1AURA Technologies, LLC
- Spin acceleration armed inertia igniters and electrical switches for munitions and the like28 Jun 2018US 2018/0180393 A1Omnitek Partners LLC
- Munitions safety and arming device for artillery ammunition, and artillery ammunition having the same10 Sep 2015US 2015/0253118 A1Agency for Defense Development
Most cited
By later US patents
- Electronic turns-counting fuze and method therefor28US 5,705,766 AMotorola, Inc. · 1998
- Point-detonating variable time-delayed fuze15US 4,480,551 AWhittaker Corporation · 1984
- MEMS multi-directional shock sensor with multiple masses15US 7,194,889 B1The United States of America as represented by the Secretary of the Navy · 2007
- Safety and arming unit for a spinning projectile fuze13US 7,357,081 B2Junghans Microtec GmbH · 2008
- Safety device for a projectile11US 4,449,456 AA/S Raufoss Ammunisjonsfabrikker · 1984