H01J 25/78
Tubes with electron stream modulated by deflection in a resonator
H01J25/78 (Tubes with electron stream modulated by deflection in a resonator) appears on 9 US grants and 6 published applications in this corpus.
Search patents in H01J- Granted patents
- 9
- Published applications
- 6
- Assignees
- 8
- Inventors
- 25
- Latest grant
- 1 Jan 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 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 | 2 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus for mm-wave radiation generation utilizing whispering gallery mode resonators1 Jan 2019US 10,172,228 B2The Board of Trustees of the Leland Stanford Junior University
- Superconducting multi-cell trapped mode deflecting cavity10 Oct 2017US 9,786,464 B2Fermi Research Alliance, LLC
- Coupled nano-resonating energy emitting structures1 Jun 2010US 7,728,397 B2Virgin Islands Microsystems, Inc.
- Apparatus and method for trajectory modulation of an electron beam29 Dec 2009US 7,638,946 B2L-3 Communications Corporation
- Plated multi-faceted reflector13 Jan 2009US 7,476,907 B2Virgin Island Microsystems, Inc.
- Apparatus for mm-wave radiation generation utilizing whispering gallery mode resonators21 Dec 2017US 2017/0367171 A1The Board of Trustees of the Leland Stanford Junior University
- Apparatus for mm-wave radiation generation utilizing whispering gallery mode resonators9 Nov 2017US 2017/0325326 A1The Board of Trustees of the Leland Stanford Junior University
- Superconducting multi-cell trapped mode deflecting cavity4 Feb 2016US 2016/0035531 A1Fermi Research Alliance, LLC
- Apparatus and method for trajectory modulation of an electron beam21 Feb 2008US 2008/0042073 A1L-3 Communications Corporation
- Coupled nano-resonating energy emitting structures8 Nov 2007US 2007/0257620 A1Virgin Islands Microsystems, Inc.
Most cited
By later US patents
- Coupled nano-resonating energy emitting structures18US 7,728,397 B2Virgin Islands Microsystems, Inc. · 2010
- Trirotron: triode rotating beam radio frequency amplifier8US 4,210,845 AThe United States of America as represented by the United States Department of Energy · 1980
- Electrovacuum SHF apparatus6US 4,019,088 A1977
- Superconducting multi-cell trapped mode deflecting cavity3US 9,786,464 B2Fermi Research Alliance, LLC · 2017
- High frequency amplifier2US 4,520,293 AKernforschungszentrum Karlsruhe GmbH · 1985