H03F 3/56
Using klystrons
Official title: using klystrons
H03F3/56 (Using klystrons) appears on 20 US grants and 7 published applications in this corpus.
Search patents in H03F- Granted patents
- 20
- Published applications
- 7
- Assignees
- 12
- Inventors
- 37
- Latest grant
- 7 Mar 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Amplifier device with at least one microwave tube7 Mar 2017US 9,590,578 B2Thales
- Hybrid modulation in an emission-gated electron gun10 Jul 2012US 8,217,577 B2L-3 Communications Corporation
- Method and apparatus for RF input coupling for inductive output tubes and other emission gated devices30 Mar 2010US 7,688,132 B2L-3 Communications Corporation
- System and method for noise and spurious suppression in power amplifier systems14 Sep 2004US 6,791,408 B2Teledyne Technologies Incorporated
- System and method for noise and spurious supression in power amplifier systems18 Mar 2003US 6,535,060 B2Teledyne Technologies Incorporated
- Amplifier device with at least one microwave tube7 Jan 2016US 2016/0006405 A1Thales
- Hybrid modulation in an emission-gated electron gun3 Mar 2011US 2011/0050097 A1L-3 Communications Corporation
- Method and apparatus for rf input coupling for inductive output tubes and other emission gated devices29 May 2008US 2008/0122531 A1L-3 Communications Corporation
- Method of measuring microwave power and device for carrying out said method11 Aug 2005US 2005/0174169 A1Thales
- System and method for noise and spurious suppression in power amplifier systems26 Dec 2002US 2002/0196077 A1Teledyne Technologies Incorporated
Most cited
By later US patents
- System and method for noise and spurious suppression in power amplifier systems71US 6,459,337 B1Teledyne Technologies Incorporated · 2002
- System and method for noise and spurious supression in power amplifier systems65US 6,535,060 B2Teledyne Technologies Incorporated · 2003
- System and method for noise and spurious suppression in power amplifier systems65US 6,791,408 B2Teledyne Technologies Incorporated · 2004
- Linear beam microwave amplifier having section comprising three resonant coupled circuits two of which are resonant cavities which interact with the beam14US 4,284,922 AEmi-Varian Limited · 1981
- Compact microwave and millimeter wave amplifier12US 5,355,093 A1994