F42C
Ammunition fuzes
Official title: AMMUNITION FUZES (blasting cartridge initiators F42B3/10; chemical aspects C06C); ARMING OR SAFETY MEANS THEREFOR (filling fuzes F42B33/02; fitting or extracting primers in or from fuzes F42B33/04; containers for fuzes F42B39/30)
F42C (Ammunition fuzes) appears on 3,259 US grants and 1,712 published applications in this corpus.
Search patents in F42C- Granted patents
- 3,259
- Published applications
- 1,712
- Assignees
- 777
- Inventors
- 4,333
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 134 | 0 |
| 1977 | 101 | 0 |
| 1978 | 58 | 0 |
| 1979 | 54 | 0 |
| 1980 | 79 | 0 |
| 1981 | 46 | 0 |
| 1982 | 53 | 0 |
| 1983 | 56 | 0 |
| 1984 | 63 | 0 |
| 1985 | 40 | 0 |
| 1986 | 61 | 0 |
| 1987 | 101 | 0 |
| 1988 | 63 | 0 |
| 1989 | 60 | 0 |
| 1990 | 57 | 0 |
| 1991 | 79 | 0 |
| 1992 | 61 | 0 |
| 1993 | 50 | 0 |
| 1994 | 48 | 0 |
| 1995 | 45 | 0 |
| 1996 | 28 | 0 |
| 1997 | 38 | 0 |
| 1998 | 30 | 0 |
| 1999 | 34 | 0 |
| 2000 | 30 | 0 |
| 2001 | 53 | 10 |
| 2002 | 43 | 29 |
| 2003 | 50 | 43 |
| 2004 | 34 | 30 |
| 2005 | 33 | 43 |
| 2006 | 38 | 49 |
| 2007 | 37 | 43 |
| 2008 | 34 | 54 |
| 2009 | 50 | 49 |
| 2010 | 58 | 80 |
| 2011 | 62 | 64 |
| 2012 | 78 | 96 |
| 2013 | 88 | 43 |
| 2014 | 65 | 61 |
| 2015 | 81 | 76 |
| 2016 | 96 | 100 |
| 2017 | 99 | 89 |
| 2018 | 88 | 98 |
| 2019 | 114 | 104 |
| 2020 | 96 | 115 |
| 2021 | 120 | 131 |
| 2022 | 100 | 102 |
| 2023 | 90 | 55 |
| 2024 | 81 | 70 |
| 2025 | 63 | 47 |
| 2026 | 39 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- F42C 19/00Details of fuzes1,179
- F42C 15/00Arming-means in fuzes1,081
- F42C 11/00Electric fuzes595
- F42C 13/00Proximity fuzes457
- F42C 9/00Time fuzes247
- F42C 17/00Fuze-setting apparatus185
- F42C 1/00Impact fuzes, i.e. fuzes actuated only by ammunition impact179
- F42C 14/00Mechanical fuzes characterised by the ammunition class or type135
All 13 main groupsShow fewer
- F42C 7/00Fuzes actuated by application of a predetermined mechanical force77
- F42C 21/00Checking fuzes46
- F42C 5/00Fuzes actuated by exposure to a predetermined ambient fluid pressure30
- F42C 3/00Fuzes actuated by exposure to a liquid22
- F42C 99/00Subject matter not provided for in other groups of this subclass4
Recent patents
- Warhead for interceptor8 Sep 2026US 12,729,939 B2
- Reusable shell casing for a reloadable throwline projective launcher8 Sep 2026US 12,729,940 B2
- Artillery round with rocket motor delay8 Sep 2026US 12,729,941 B2Savit Corporation
- Directed energy ignition of standard primers1 Sep 2026US 12,723,858 B2MegaWatt Lasers, Inc.
- Explosive foil initiator (EF) with enhanced detonation energy25 Aug 2026US 12,716,700 B2Raytheon Company
- Shaped charge electro-explosive (sce) device8 Oct 2026US 2026/0309473 A1Raytheon Company
- Two-piece insert and/or flash tube for polymer ammunition cartridges1 Oct 2026US 2026/0298594 A1PCP Tactical, LLC
- Torpedo provided with an early impact detection system1 Oct 2026US 2026/0298602 A1Wass Submarine Systems S.r.l.
- Propellant charge and cannon shell therewith17 Sep 2026US 2026/0276353 A1
- Safety device and method for weapons17 Sep 2026US 2026/0276358 A1Elbit Systems C4I and Cyber Ltd.
Most cited
By later US patents
- High strength polymer-based cartridge casing and manufacturing method256US 8,443,730 B2PCP Tactical, LLC · 2013
- Lightweight polymer ammunition cartridge casings245US 8,561,543 B2True Velocity, Inc. · 2013
- Magnetic induction mine arming, disarming and simulation system234US 5,027,709 A1991
- Adhesive lip for a high strength polymer-based cartridge casing and manufacturing method224US 8,875,633 B2PCP Tactical, LLC · 2014
- Electric primer219US 6,272,993 B1RA Brands, L.L.C. · 2001