F42C 15/28
Operated by flow of fluent material
Official title: operated by flow of fluent material, e.g. shot, fluids (F42C15/26 takes precedence)
F42C15/28 (Operated by flow of fluent material) appears on 173 US grants and 33 published applications in this corpus.
Search patents in F42C- Granted patents
- 173
- Published applications
- 33
- Assignees
- 75
- Inventors
- 288
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 28 | 0 |
| 1977 | 14 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 15 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 12 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 0 |
| 2004 | 3 | 2 |
| 2005 | 2 | 3 |
| 2006 | 2 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 5 |
| 2009 | 2 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 2 | 2 |
| 2015 | 2 | 1 |
| 2016 | 2 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
| 2023 | 3 | 0 |
| 2024 | 2 | 2 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F42C 15/31Generated by the combustion of a pyrotechnic or explosive charge within the49
- F42C 15/295Operated by a turbine or a propeller42
- F42C 15/29Operated by fluidic oscillators36
- F42C 15/30Of propellant gases, i.e. derived from propulsive charge or rocket motor27
- F42C 15/285Stored within the fuze housing21
Recent patents
- Energy harvesting assemblies4 Feb 2025US 12,215,962 B2BAE SYSTEMS plc
- Mechanical self-percussion fuze for a non-gyrating ammunition16 Jul 2024US 12,038,262 B1Dixi Microtechniques
- Rocket armament launchable from a tubular launcher with an outside launcher non-ignition securing and motor separation during flight25 Jun 2024US 12,018,913 B2Rafael Advanced Defense Systems Ltd.
- Safety and arming unit4 Jul 2023US 11,692,800 B2Saab Dynamics AB
- Time delay systems, methods, and devices7 Mar 2023US 11,598,618 B1Goodrich Corporation
- Remotely controllable fuzing arrangements23 Apr 2026US 2026/0110527 A1Orion Advanced Systems Ltd
- Fuze system, munition, and method11 Dec 2025US 2025/0377192 A1BAE SYSTEMS plc
- 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
- Mechanical self-percussion fuze for a non-gyrating ammunition8 Aug 2024US 2024/0263931 A1Dixi Microtechniques
- Energy harvesting assemblies15 Feb 2024US 2024/0053128 A1BAE SYSTEMS plc
Most cited
By later US patents
- Explosive device78US 4,058,061 AAerojet-General Corporation · 1977
- Electronic assembly for moderate hard target penetrator fuze52US 4,586,436 AThe United States of America as represented by the Secretary of the Navy · 1986
- Enabling device for a gas generator of a forced dispersion munitions dispenser45US 4,714,020 AHoneywell Inc. · 1987
- Extended range digital delay detonator42US 5,435,248 AThe Ensign-Bickford Company · 1995
- Impulse signal delay unit38US 5,377,592 AThe Ensign-Bickford Company · 1995