F42B 3/22
Elements for controlling or guiding the detonation wave
Official title: Elements for controlling or guiding the detonation wave, e.g. tubes (using inert bodies embedded in shaped or hollow charges F42B1/024)
F42B3/22 (Elements for controlling or guiding the detonation wave) appears on 66 US grants and 64 published applications in this corpus.
Search patents in F42B- Granted patents
- 66
- Published applications
- 64
- Assignees
- 46
- Inventors
- 139
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 4 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 4 | 5 |
| 2012 | 2 | 4 |
| 2013 | 1 | 5 |
| 2014 | 5 | 3 |
| 2015 | 6 | 4 |
| 2016 | 5 | 5 |
| 2017 | 4 | 6 |
| 2018 | 6 | 3 |
| 2019 | 4 | 4 |
| 2020 | 2 | 3 |
| 2021 | 5 | 3 |
| 2022 | 1 | 5 |
| 2023 | 0 | 0 |
| 2024 | 5 | 1 |
| 2025 | 4 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Linear shaped charge electro-explosive (LSCe) device with a backside boosted initiation18 Aug 2026US 12,710,255 B1Raytheon Company
- Specially-shaped-charges for focusing fluid jets30 Dec 2025US 12,510,334 B2The United States of America as Represented by the Federal Bureau of Investigation, Department of Justice
- Propellant container for a perforating gun25 Nov 2025US 12,480,388 B2The GasGun, LLC
- Flexible metal/metal oxide and/or intermetallic reactant ribbon cutting system5 Aug 2025US 12,379,192 B2
- Deployment of a detonator assembly27 May 2025US 12,313,390 B2Detnet South Africa (Pty) Ltd
- Linear shaped charge electro-explosive (lsce) device with a backside boosted initiation20 Aug 2026US 2026/0243550 A1Raytheon Company
- Breaching Device with Tamping Gel14 May 2026US 2026/0133020 A1Esoteric, LLC
- Avalanche triggering system19 Feb 2026US 2026/0049801 A1Avenir Protections
- Specially-Shaped-Charges for Focusing Fluid Jets8 May 2025US 2025/0146799 A1The United States of America as represented by the Federal Bureau of Investigation, Dept. of Justice
- Flexible metal/metal oxide and/or intermetallic reactant ribbon cutting system30 Jan 2025US 2025/0035411 A1The United States of America as represented by the Secretary of the Navy
Most cited
By later US patents
- Explosive diode transfer system for a modular perforating apparatus66US 5,216,197 ASchlumberger Technology Corporation · 1993
- Dissolvable material application in perforating30US 8,342,094 B2Schlumberger Technology Corporation · 2013
- Holder that converges jets created by a plurality of shape charges29US 8,904,935 B1The United States of America as represented by the Secretary of the Navy · 2014
- Shaped charge with enhanced penetration27US 4,109,576 A1978
- Method and apparatus for controlled small-charge blasting of hard rock and concrete by explosive pressurization of the bottom of a drill hole27US 6,035,784 ARockTek Limited · 2000