F42B 3/192
Designed for neutralisation on contact with water
Official title: designed for neutralisation on contact with water
F42B3/192 (Designed for neutralisation on contact with water) appears on 18 US grants and 7 published applications in this corpus.
Search patents in F42B- Granted patents
- 18
- Published applications
- 7
- Assignees
- 15
- Inventors
- 40
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Detonator including a multidimensional circuit board15 Jul 2025US 12,359,896 B2DynaEnergetics Europe GmbH
- Fluid-disabled detonator and perforating gun assembly16 Apr 2024US 11,959,366 B2DynaEnergetics Europe GmbH
- Fluid-disabled detonator and perforating gun assembly29 Mar 2022US 11,286,757 B2DynaEnergetics Europe GmbH
- Fluid-disabled detonator and method of use3 Sep 2019US 10,400,558 B1DynaEnergetics GmbH & Co. KG
- System, connector and method for providing environmentally degradable electronic components11 Sep 2018US 10,074,925 B1Lockheed Martin Corporation
- Detonator including a multidimensional circuit board1 Feb 2024US 2024/0035784 A1DynaEnergetics Europe GmbH
- Fluid-disabled detonator and perforating gun assembly2 Jun 2022US 2022/0170350 A1DynaEnergetics Europe GmbH
- Fluid-disabled detonator and perforating gun assembly5 Dec 2019US 2019/0368322 A1DynaEnergetics GmbH & Co. KG
- Fluid-disabled detonator and method of use26 Sep 2019US 2019/0292886 A1DynaEnergetics GmbH & Co. KG
- Further improved blasting method8 Nov 2012US 2012/0282680 A1Orica Explosives Technology Pty Ltd
Most cited
By later US patents
- Downhole perforating method and apparatus using secondary explosive detonators116US 4,762,067 AHalliburton Company · 1988
- Method and apparatus for initiating subterranean well perforating gun firing from bottom to top90US 4,657,089 ABaker Oil Tools, Inc. · 1987
- Methods and apparatuses for electronic time delay and systems including same41US 7,789,153 B2Alliant Techsystems Inc. · 2010
- Liquid desensitized, electrically activated detonator assembly resistant to actuation by radio-frequency and electrostatic energies37US 4,441,427 AICI Americas Inc. · 1984
- Controlled solution releasing device30US 4,079,675 AThe United States of America as represented by the Secretary of the Army · 1978