F42B 3/103
Mounting initiator heads in initiators
Official title: Mounting initiator heads in initiators; Sealing-plugs
F42B3/103 (Mounting initiator heads in initiators) appears on 219 US grants and 182 published applications in this corpus.
Search patents in F42B- Granted patents
- 219
- Published applications
- 182
- Assignees
- 101
- Inventors
- 396
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 10 |
| 2003 | 9 | 7 |
| 2004 | 7 | 15 |
| 2005 | 7 | 10 |
| 2006 | 2 | 10 |
| 2007 | 3 | 8 |
| 2008 | 3 | 7 |
| 2009 | 3 | 7 |
| 2010 | 9 | 8 |
| 2011 | 6 | 4 |
| 2012 | 14 | 6 |
| 2013 | 5 | 8 |
| 2014 | 5 | 3 |
| 2015 | 7 | 3 |
| 2016 | 4 | 7 |
| 2017 | 7 | 4 |
| 2018 | 2 | 4 |
| 2019 | 7 | 5 |
| 2020 | 5 | 7 |
| 2021 | 10 | 10 |
| 2022 | 5 | 11 |
| 2023 | 7 | 6 |
| 2024 | 12 | 13 |
| 2025 | 15 | 8 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sealing structure of sealed container, formation method therefor, gas generator using sealing structure of sealed container, and manufacturing method therefor1 Sep 2026US 12,722,591 B2Daicel Corporation
- Gas generator16 Jun 2026US 12,656,088 B2Nippon Kayaku Kabushiki Kaisha
- Tandem sub for self-orienting perforating system21 Apr 2026US 12,607,102 B2Hunting Titan, Inc.
- Igniter assembly and gas generator27 Jan 2026US 12,534,041 B2Daicel Corporation
- Gas generator6 Jan 2026US 12,516,916 B2Daicel Corporation
- Gas generator16 Apr 2026US 2026/0104237 A1Nippon Kayaku Kabushiki Kaisha
- Detonator with fused head retention features25 Sep 2025US 2025/0297535 A1DynaEnergetics Europe GmbH
- Initiator head with circuit board4 Sep 2025US 2025/0277651 A1DynaEnergetics Europe GmbH
- Wireless initiation device21 Aug 2025US 2025/0264316 A1Orica International Pte Ltd
- Initiator head with circuit board10 Jul 2025US 2025/0224215 A1DynaEnergetics Europe GmbH
Most cited
By later US patents
- Modular initiator123US 8,256,337 B2Baker Hughes Incorporated · 2012
- Connector for electronic detonators93US 8,069,789 B2Orica Explosives Technology Pty Ltd · 2011
- Initiator head assembly77US 9,822,618 B2DynaEnergetics GmbH & Co. KG · 2017
- Airbag igniter having double glass seal71US 5,140,906 AICI Americas Inc. · 1992
- Igniter with a multifunctional plug61US 8,960,093 B2DynaEnergetics GmbH & Co. KG · 2015