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producing a hollow cylindrical beam
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CPC
H01J23/07
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Parent Industries
H
ELECTRICITY
H01
Electric elements
H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J23/00
Details of transit-time tubes of the types covered by group H01J25/00
Current Industry
H01J23/07
producing a hollow cylindrical beam
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Patents Grants
last 30 patents
Information
Patent Grant
Electron gun
Patent number
11,990,307
Issue date
May 21, 2024
Thales Deutschland GmbH Electron Devices
Christof Dietrich
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Coaxial cavity gyrotron with two electron beams
Patent number
8,390,200
Issue date
Mar 5, 2013
Shenggang Liu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron tube control grid
Patent number
7,327,077
Issue date
Feb 5, 2008
Thales
André Gabioud
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron source
Patent number
7,071,604
Issue date
Jul 4, 2006
Genvac Aerospace Corporation
James A. Dayton, Jr.
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Crossed-field device
Patent number
6,236,161
Issue date
May 22, 2001
Communications & Power Industries, Inc.
Michael L. Tracy
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High voltage standoff, current regulating, hollow electron beam swi...
Patent number
6,127,779
Issue date
Oct 3, 2000
Litton Systems, Inc.
Richard Brownell True
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field-emission cold-cathode electron gun having emitter tips betwee...
Patent number
5,986,388
Issue date
Nov 16, 1999
NEC Corporation
Hideo Makishima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron gun having a grid
Patent number
5,936,335
Issue date
Aug 10, 1999
Thomson Tubes Electroniques
Guy Clerc
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High power current regulating switch tube with a hollow electron beam
Patent number
5,834,898
Issue date
Nov 10, 1998
Litton Systems, Inc.
Richard Brownell True
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gyrotron system having adjustable flux density
Patent number
5,818,170
Issue date
Oct 6, 1998
Mitsubishi Denki Kabushiki Kaisha
Toshiyuki Kikunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Mechanically tunable magnetron injection gun (MIG)
Patent number
5,814,939
Issue date
Sep 29, 1998
Kwo R. Chu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Microwave oven and magnetron with cold cathode
Patent number
5,676,873
Issue date
Oct 14, 1997
Sharp Kabushiki Kaisha
Takeo Takase
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Advanced center post electron gun
Patent number
5,461,282
Issue date
Oct 24, 1995
Litton Systems, Inc.
Glenn P. Scheitrum
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrodes with primary and secondary emitters for use in cross-fie...
Patent number
5,280,218
Issue date
Jan 18, 1994
Raytheon Company
Burton H. Smith
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Quasi-optical gyrotron having an electron gun with alternating high...
Patent number
5,134,343
Issue date
Jul 28, 1992
ASEA Brown Boveri Ltd.
Hans-Gunter Mathews
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron beam injection device for an ultra-high frequency radio el...
Patent number
4,567,402
Issue date
Jan 28, 1986
Thomson-CSF
Georges Mourier
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ultra high frequency radio electric wave generators
Patent number
4,563,615
Issue date
Jan 7, 1986
Thomson-CSF
Georges Mourier
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Tilt-angle electron gun
Patent number
4,562,380
Issue date
Dec 31, 1985
Raytheon Company
Norman J. Dionne
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cold-cathode magnetron injection gun
Patent number
4,495,442
Issue date
Jan 22, 1985
Tokyo Institute of Technology
Kazuo Minami
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gyrotron device
Patent number
4,482,843
Issue date
Nov 13, 1984
Thorn EMI-Varian Limited
Dudley Perring
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Hollow beam electron source
Patent number
4,350,926
Issue date
Sep 21, 1982
The United States of America as represented by the Secretary of the Army
Joe Shelton
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Injection of an electron beam
Patent number
4,199,709
Issue date
Apr 22, 1980
Commissariat a l'Energie Atomique
Jean-Louis Alirot
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Crossed-field amplifier
Patent number
4,021,697
Issue date
May 3, 1977
Warnecke Electron Tubes, Inc.
Oskar Doehler
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Crossed field amplifiers
Patent number
3,932,820
Issue date
Jan 13, 1976
The British Secretary of State for Defense
Lionel Damon
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
3700945
Patent number
3,700,945
Issue date
Oct 24, 1972
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3588600
Patent number
3,588,600
Issue date
Jun 28, 1971
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3506866
Patent number
3,506,866
Issue date
Apr 14, 1970
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3392300
Patent number
3,392,300
Issue date
Jul 9, 1968
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3345528
Patent number
3,345,528
Issue date
Oct 3, 1967
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
3315110
Patent number
3,315,110
Issue date
Apr 18, 1967
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Composite Electron Beam Vacuum Tube
Publication number
20240312754
Publication date
Sep 19, 2024
The Boeing Company
Michael K. Strahan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRON GUN
Publication number
20210350995
Publication date
Nov 11, 2021
Thales Deutschland GmbH Electron Devices
Christof DIETRICH
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Electron source for linear accelerators
Publication number
20120229024
Publication date
Sep 13, 2012
Elekta AB (publ)
Terry Arthur Large
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Coaxial cavity gyrotron with two electron beams
Publication number
20100141143
Publication date
Jun 10, 2010
Shenggang Liu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Coaxial cavity gyrotron with two electron beams
Publication number
20070285018
Publication date
Dec 13, 2007
Shenggang Liu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Electron tube control grid
Publication number
20040263050
Publication date
Dec 30, 2004
THALES
Andre Gabioud
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Electron source
Publication number
20030151341
Publication date
Aug 14, 2003
James A. Dayton
H01 - BASIC ELECTRIC ELEMENTS