F42C 13/045
Using transmission of f.m. waves
Official title: {using transmission of F.M. waves}
F42C13/045 (Using transmission of f.m. waves) appears on 27 US grants and 5 published applications in this corpus.
Search patents in F42C- Granted patents
- 27
- Published applications
- 5
- Assignees
- 14
- Inventors
- 49
- Latest grant
- 8 Dec 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 2 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Radio frequency igniter8 Dec 2020US 10,859,358 B1The United States of America as represented by the Secretary of the Army
- Radio frequency igniter23 Oct 2018US 10,107,607 B1The United States of America as represented by the Secretary of the Army
- Semi-active RF target detection and proximity detonation based on angle-to-target18 Jul 2017US 9,709,372 B2Raytheon Company
- Multi-function radio frequency (MFRF) module and gun-launched munition with active and semi-active terminal guidance and fuzing sensors20 Jun 2017US 9,683,814 B2Raytheon Company
- Method for detecting a distance, a radar system and a computer program product12 Apr 2016US 9,310,476 B2Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Semi-active rf target detection and proximity detonation based on angle-to-target20 Oct 2016US 2016/0305755 A1Raytheon Company
- Multi-function radio frequency (mfrf) module and gun-launched munition with active and semi-active terminal guidance and fuzing sensors22 Sep 2016US 2016/0273880 A1Raytheon Company
- Method for Detecting a Distance, a Radar System and a Computer Program Product5 Jul 2012US 2012/0169529 A1Nederlandse Organisatie Voor Toegepast
- Projectile with telemetry communication and proximity sensing6 May 2010US 2010/0107915 A1Raytheon Company
- Proximity fuze10 Oct 2002US 2002/0144619 A1BAE SYSTEMS plc
Most cited
By later US patents
- Bandpass filter demodulation for FM-CW systems106US 5,150,124 AMotorola, Inc. · 1992
- Proximity fuze23US 6,834,591 B2BAE SYSTEMS plc · 2004
- Multi-function radio frequency (MFRF) module and gun-launched munition with active and semi-active terminal guidance and fuzing sensors20US 9,683,814 B2Raytheon Company · 2017
- FM-CW Fuze18US 4,360,812 AThe United States of America as represented by the Secretary of the Army · 1982
- Multi-option fuze system18US 5,147,973 AThe United States of America as represented by the Secretary of the Army · 1992