F42B 3/13
With semiconductive bridge
Official title: with semiconductive bridge
F42B3/13 (With semiconductive bridge) appears on 96 US grants and 44 published applications in this corpus.
Search patents in F42B- Granted patents
- 96
- Published applications
- 44
- Assignees
- 54
- Inventors
- 180
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 0 |
| 2002 | 4 | 3 |
| 2003 | 3 | 4 |
| 2004 | 2 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 6 |
| 2009 | 3 | 2 |
| 2010 | 2 | 4 |
| 2011 | 2 | 2 |
| 2012 | 4 | 3 |
| 2013 | 5 | 1 |
| 2014 | 2 | 3 |
| 2015 | 4 | 3 |
| 2016 | 1 | 0 |
| 2017 | 2 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 0 |
| 2020 | 2 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shock initiation of non-electric shock tube5 May 2026US 12,618,655 B1Honeywell Federal Manufacturing & Technologies, LLC
- Semiconductor bridge coupled with one or more thermistors and the method of the same10 Feb 2026US 12,550,615 B2Hangzhou Dianzi University
- Shock initiation of non-electric shock tube25 Feb 2025US 12,235,089 B1Honeywell Federal Manufacturing & Technologies, LLC
- Initiator assembly that is resistant to shock18 May 2021US 11,009,319 B1Reynolds Systems, Inc.
- Dual mode initiator system31 Mar 2020US 10,605,576 B1Reynolds Systems, Inc.
- Semiconductor bridge with static discharge protection and the method of the same4 Jun 2026US 2026/0153312 A1Hangzhou Dianzi University
- Semiconductor bridge and the method of the same4 Apr 2024US 2024/0114792 A1Hangzhou Dianzi University
- Detonator black box24 Aug 2023US 2023/0266109 A1Austin Star Detonator Company
- High Voltage Explosive Assembly for Downhole Detonations9 Aug 2018US 2018/0224248 A1Hunting Titan, Inc.
- Integrated circuit initiator device21 Jun 2018US 2018/0172410 A1Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
Most cited
By later US patents
- Detonators for use with explosive devices136US 6,752,083 B1Schlumberger Technology Corporation · 2004
- Semiconductor bridge (SCB) igniter92US 4,708,060 AThe United States of America as represented by the United States Department of Energy · 1987
- Initiation of explosive devices91US 6,386,108 B12002
- Switches for use in tools84US 6,385,031 B1Schlumberger Technology Corporation · 2002
- Detonator firing element76US 4,819,560 ADetonix Close Corporation · 1989