F42B 3/28
Cartridge cases characterised by the material used
Official title: Cartridge cases characterised by the material used, e.g. coatings (for initiator cases F42B3/11)
F42B3/28 (Cartridge cases characterised by the material used) appears on 48 US grants and 25 published applications in this corpus.
Search patents in F42B- Granted patents
- 48
- Published applications
- 25
- Assignees
- 38
- Inventors
- 111
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 3 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 0 |
| 2019 | 2 | 3 |
| 2020 | 1 | 0 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas generator7 Apr 2026US 12,595,991 B2Daicel Corporation
- Modular scalable effect munition12 Dec 2023US 11,841,215 B2The United States of America as represented by the Secretary of the Navy
- Process for preparation and use of inorganic markers for security identification/marking on explosives, fuses and ammunition after detonation and on firearms and metal projectiles, products obtained and process of inserting markers on explosives, fuses and ammunition and on firearms and metal projectiles15 Nov 2022US 11,499,217 B2Meta - SoluçõEs Em SegurançA Ltda.
- Canister assembly with protected cap well and booster explosive comprising the same18 Oct 2022US 11,473,882 B2Dyno Nobel Inc.
- Actuator2 Feb 2021US 10,910,180 B2Daicel Corporation
- Firearm sound suppression device1 May 2025US 2025/0137761 A1
- Ammunition sealant flow features24 Apr 2025US 2025/0130025 A1True Velocity IP Holdings, LLC
- Gas generator6 Mar 2025US 2025/0076010 A1Daicel Corporation
- Biodegradable components7 Nov 2024US 2024/0368398 A1Bondon International
- Cold spray additive manufacturing of fragmentation bombs and warheads14 Mar 2024US 2024/0085160 A1Triton Systems, Inc.
Most cited
By later US patents
- Non-lead, environmentally safe projectiles and explosives containers63US 6,174,494 B1Lockheed Martin Energy Systems, Inc. · 2001
- Non-lead environmentally safe projectiles and explosive container60US 5,913,256 ALockheed Martin Energy Systems, Inc. · 1999
- Shaped charge perforating apparatus50US 4,643,097 ADresser Industries, Inc. · 1987
- Oilwell perforator having metal loaded polymer matrix molded liner and case38US 6,371,219 B1Halliburton Energy Services.Inc. · 2002
- Linear cutting charge31US 4,693,181 ARoyal Ordnance plc · 1987