F42B 3/16
Pyrotechnic delay initiators
Official title: {Pyrotechnic} delay initiators (F42B3/195 takes precedence; {programmable electronic delay initiators F42C11/065})
F42B3/16 (Pyrotechnic delay initiators) appears on 58 US grants and 15 published applications in this corpus.
Search patents in F42B- Granted patents
- 58
- Published applications
- 15
- Assignees
- 35
- Inventors
- 96
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 2 | 4 |
| 2023 | 3 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pyrotechnic object14 Jan 2025US 12,196,536 B2Rheinmetall Waffe Munition GmbH
- Non-electric initiator system6 Feb 2024US 11,892,277 B2Detotec North America, Inc.
- Igniter with a delay time that can be set5 Dec 2023US 11,835,326 B2Rheinmetall Waffe Munition GmbH
- Time delay systems, methods, and devices30 May 2023US 11,662,191 B2Goodrich Corporation
- Time delay systems, methods, and devices7 Mar 2023US 11,598,618 B1Goodrich Corporation
- Pyrotechnic object11 Apr 2024US 2024/0118062 A1Rheinmetall Waffe Munition GmbH
- Time delay systems, methods, and devices29 Dec 2022US 2022/0412711 A1AMI Industries, Inc.
- Throwing device with two-stage propulsion system17 Feb 2022US 2022/0049928 A1
- Two-stage propulsion system17 Feb 2022US 2022/0049935 A1
- Non-electric initiator system17 Feb 2022US 2022/0049936 A1Detotec North America, Inc.
Most cited
By later US patents
- Extended range digital delay detonator42US 5,435,248 AThe Ensign-Bickford Company · 1995
- Impulse signal delay unit38US 5,377,592 AThe Ensign-Bickford Company · 1995
- Digital delay detonator29US 5,173,569 AThe Ensign-Bickford Company · 1992
- Pyrotechnic variable delay connector24US 4,714,017 ACXA Ltd./CXA Ltee · 1987
- Delay train ignition buffer24US 5,031,538 AThe Ensign-Bickford Company · 1991