F42B 3/185
Having semi-conductive means
Official title: having semi-conductive {means, e.g.} sealing plugs
F42B3/185 (Having semi-conductive means) appears on 13 US grants and 4 published applications in this corpus.
Search patents in F42B- Granted patents
- 13
- Published applications
- 4
- Assignees
- 9
- Inventors
- 24
- Latest grant
- 13 Mar 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 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 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 2 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Claymore mine on which device for preventing breakdown attributable to power noise has been mounted13 Mar 2018US 9,915,509 B2
- Initiator assembly with gas and/or fragment containment capabilities9 Aug 2016US 9,410,784 B1Reynolds Systems, Inc.
- Detonator ignition protection and detection circuit26 Jan 2016US 9,243,877 B2Dyno Nobel Inc.
- Initiator assembly with gas and/or fragment containment capabilities26 May 2015US 9,038,538 B1Reynolds Systems, Inc.
- Initiator assembly having low-energy exploding foil initiator header and cover with axially threaded portion20 May 2014US 8,726,808 B1Reynolds Systems, Inc.
- Automatic Stein Hall Viscosity Cup24 Aug 2017US 2017/0241882 A9Marquip, Inc.
- Claymore mine on which device for preventing breakdown attributable to power noise has been mounted18 Feb 2016US 2016/0047640 A1
- Detonator ignition protection and detection circuit20 Aug 2015US 2015/0233690 A1Dyno Nobel Inc.
- Automatic Stein Hall Viscosity Cup21 Jun 2012US 2012/0158322 A1Marquip, Inc.
Most cited
By later US patents
- Zener diode for protection of integrated circuit explosive bridge49US 5,309,841 ASCB Technologies, Inc. · 1994
- Electroexplosive device44US 4,103,619 A1978
- Inflator initiator with zener diode electrostatic discharge protection32US 5,672,841 AMorton International, Inc. · 1997
- Electroexplosive device29US 5,085,146 AAuburn University · 1992
- Universal isolation member and non-electric detonator cap including the same20US 5,631,440 AThe Ensign-Bickford Company · 1997