F42B 3/113
Activated by optical means
Official title: activated by optical means, e.g. laser, flashlight
F42B3/113 (Activated by optical means) appears on 126 US grants and 59 published applications in this corpus.
Search patents in F42B- Granted patents
- 126
- Published applications
- 59
- Assignees
- 67
- Inventors
- 240
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 5 | 4 |
| 2008 | 0 | 2 |
| 2009 | 3 | 0 |
| 2010 | 3 | 3 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 7 |
| 2015 | 4 | 4 |
| 2016 | 3 | 4 |
| 2017 | 6 | 3 |
| 2018 | 2 | 1 |
| 2019 | 3 | 5 |
| 2020 | 3 | 3 |
| 2021 | 6 | 2 |
| 2022 | 0 | 2 |
| 2023 | 3 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 4 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Directed energy ignition of standard primers1 Sep 2026US 12,723,858 B2MegaWatt Lasers, Inc.
- Arrangement and method for increasing the functional safety of an opto-pyrotechnic initiator7 Jul 2026US 12,674,651 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Simultaneous ignition method for hollow modular charge using cluster laser2 Jun 2026US 12,644,681 B2Agency for Defense Development
- Laser ignition system for large-caliber artillery5 May 2026US 12,618,627 B2Agency for Defense Development
- Wireless electronic detonator comprising a power switch controlled by an optical signal, wireless detonation system and method for activating such a detonator25 Feb 2025US 12,235,090 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Laser ignition system for large-caliber artillery11 Dec 2025US 2025/0377179 A1Agency for Defense Development
- Simultaneous ignition method for hollow modular charge using cluster laser11 Dec 2025US 2025/0377190 A1Agency for Defense Development
- Portable Decontamination Chamber27 Feb 2025US 2025/0064999 A1The Government of the United States, as represented by the Secretary of the Army
- Directed energy ignition of standard primers6 Feb 2025US 2025/0044067 A1MegaWatt Lasers, Inc.
- Arrangement and method for increasing the functional safety of an opto-pyrotechnic initiator25 Jul 2024US 2024/0247918 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
Most cited
By later US patents
- Laser range finding apparatus199US 5,669,174 A1997
- Modular laser apparatus185US 5,584,137 A1996
- System for the initiation of downhole explosive and propellant systems117US 5,322,019 A1994
- Laser range finding apparatus110US 5,555,662 A1996
- Wireless detonator assemblies, corresponding blasting apparatuses, and methods of blasting94US 7,810,430 B2Orica Explosives Technology Pty Ltd · 2010