producing a hollow cylindrical beam

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H01J23/07

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HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J23/00Details of transit-time tubes of the types covered by group H01J25/00

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H01J23/07producing a hollow cylindrical beam

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Patents Grantslast 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 Applicationslast 30 patents

Information Patent Application
LARGE ELECTRON TUBE, MAGNETIC BODY, AND METHOD FOR USING LARGE ELEC...
- Publication number 20250037959
- Publication date Jan 30, 2025
- National Institutes for Quantum Science and Technology
- Takahiro SHINYA
- H01 - BASIC ELECTRIC ELEMENTS
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

producing a hollow cylindrical beam

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Electron gun

Coaxial cavity gyrotron with two electron beams

Electron tube control grid

Electron source

Crossed-field device

High voltage standoff, current regulating, hollow electron beam swi...

Field-emission cold-cathode electron gun having emitter tips betwee...

Electron gun having a grid

High power current regulating switch tube with a hollow electron beam

Gyrotron system having adjustable flux density

Mechanically tunable magnetron injection gun (MIG)

Microwave oven and magnetron with cold cathode

Advanced center post electron gun

Electrodes with primary and secondary emitters for use in cross-fie...

Quasi-optical gyrotron having an electron gun with alternating high...

Electron beam injection device for an ultra-high frequency radio el...

Ultra high frequency radio electric wave generators

Tilt-angle electron gun

Cold-cathode magnetron injection gun

Gyrotron device

Hollow beam electron source

Injection of an electron beam

Crossed-field amplifier

Crossed field amplifiers

3700945

3588600

3506866

3392300

3345528

3315110

Patents Applicationslast 30 patents

LARGE ELECTRON TUBE, MAGNETIC BODY, AND METHOD FOR USING LARGE ELEC...

Composite Electron Beam Vacuum Tube

ELECTRON GUN

Electron source for linear accelerators

Coaxial cavity gyrotron with two electron beams

Coaxial cavity gyrotron with two electron beams

Electron tube control grid

Electron source