F42B 3/00
Blasting cartridges, i.e. case and explosive
Official title: Blasting cartridges, i.e. case and explosive (fuse cords, e.g. detonating fuse cords C06C5/00; chemical aspects of detonators, blasting caps or primers C06C7/00)
F42B3/00 (Blasting cartridges, i.e. case and explosive) appears on 2,121 US grants and 1,357 published applications in this corpus.
Search patents in F42B- Granted patents
- 2,121
- Published applications
- 1,357
- Assignees
- 710
- Inventors
- 3,363
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 40 | 0 |
| 1977 | 30 | 0 |
| 1978 | 21 | 0 |
| 1979 | 13 | 0 |
| 1980 | 15 | 0 |
| 1981 | 37 | 0 |
| 1982 | 25 | 0 |
| 1983 | 30 | 0 |
| 1984 | 19 | 0 |
| 1985 | 22 | 0 |
| 1986 | 20 | 0 |
| 1987 | 37 | 0 |
| 1988 | 27 | 0 |
| 1989 | 41 | 0 |
| 1990 | 30 | 0 |
| 1991 | 45 | 0 |
| 1992 | 34 | 0 |
| 1993 | 38 | 0 |
| 1994 | 35 | 0 |
| 1995 | 35 | 0 |
| 1996 | 35 | 0 |
| 1997 | 36 | 0 |
| 1998 | 44 | 0 |
| 1999 | 36 | 0 |
| 2000 | 29 | 0 |
| 2001 | 55 | 8 |
| 2002 | 49 | 45 |
| 2003 | 53 | 48 |
| 2004 | 37 | 75 |
| 2005 | 42 | 68 |
| 2006 | 34 | 42 |
| 2007 | 31 | 41 |
| 2008 | 28 | 40 |
| 2009 | 33 | 42 |
| 2010 | 45 | 55 |
| 2011 | 51 | 46 |
| 2012 | 60 | 65 |
| 2013 | 39 | 53 |
| 2014 | 54 | 48 |
| 2015 | 58 | 58 |
| 2016 | 65 | 78 |
| 2017 | 74 | 62 |
| 2018 | 59 | 52 |
| 2019 | 66 | 64 |
| 2020 | 56 | 69 |
| 2021 | 79 | 68 |
| 2022 | 63 | 63 |
| 2023 | 57 | 44 |
| 2024 | 62 | 47 |
| 2025 | 57 | 51 |
| 2026 | 40 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F42B 3/10Initiators therefor1,206
- F42B 3/04Blasting cartridges, i.e. case and explosive: for producing gas under pressure340
- F42B 3/006Explosive bolts153
- F42B 3/08Blasting cartridges, i.e. case and explosive: with cavities in the charge153
- F42B 3/26Arrangements for mounting initiators148
- F42B 3/02Blasting cartridges, i.e. case and explosive: adapted to be united into assemblies133
- F42B 3/087Flexible or deformable blasting cartridges86
- F42B 3/22Elements for controlling or guiding the detonation wave66
Recent patents
- Compact encapsulated exploding foil initiator assembly8 Sep 2026US 12,729,937 B1Reynolds Systems, Inc.
- Sealing structure of sealed container, formation method therefor, gas generator using sealing structure of sealed container, and manufacturing method therefor1 Sep 2026US 12,722,591 B2Daicel Corporation
- Directed energy ignition of standard primers1 Sep 2026US 12,723,858 B2MegaWatt Lasers, Inc.
- Display apparatus and electronic device1 Sep 2026US 12,727,097 B2Hkc Corporation Limited
- Explosive foil initiator (EF) with enhanced detonation energy25 Aug 2026US 12,716,700 B2Raytheon Company
- Modular exploding foil initiator assembly1 Oct 2026US 2026/0298592 A1Reynolds Systems, Inc.
- Triggering explosives in holes17 Sep 2026US 2026/0276352 A1Olitek Pty Ltd
- Gas generator27 Aug 2026US 2026/0249802 A1Zf Airbag Germany GmbH
- Linear shaped charge electro-explosive (lsce) device with a backside boosted initiation20 Aug 2026US 2026/0243550 A1Raytheon Company
- Multi-atmospheric safe firing control circuit for wireless detonators and initiators2 Jul 2026US 2026/0185811 A1Down Range Systems LLC
Most cited
By later US patents
- High strength polymer-based cartridge casing and manufacturing method256US 8,443,730 B2PCP Tactical, LLC · 2013
- 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
- Laser range finding apparatus199US 5,669,174 A1997
- Modular laser apparatus185US 5,584,137 A1996