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ELECTRICITY
H01
Electric elements
H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J2201/00
Electrodes common to discharge tubes
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H01J2201/28
Heaters for thermionic cathodes
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Patents Grants
last 30 patents
Information
Patent Grant
Pincer mount cathode
Patent number
12,027,340
Issue date
Jul 2, 2024
Kimball Physics, Inc.
Andrea Michelle Calvey
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
System and method for depth-selectable x-ray analysis
Patent number
11,056,308
Issue date
Jul 6, 2021
Sigray, Inc.
Wenbing Yun
G01 - MEASURING TESTING
Information
Patent Grant
Electron gun
Patent number
10,950,407
Issue date
Mar 16, 2021
New Japan Radio Co., Ltd.
Toru Kimura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Flat emitters with stress compensation features
Patent number
10,636,608
Issue date
Apr 28, 2020
General Electric Company
Evan Lampe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thermal-field type electron source composed of transition metal car...
Patent number
9,490,098
Issue date
Nov 8, 2016
Applied Physics Technologies, Inc.
William A. Mackie
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thermal-field type electron source composed of transition metal car...
Patent number
9,240,301
Issue date
Jan 19, 2016
Applied Physics Technologies, Inc.
William A. Mackie
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Tungsten wire, cathode heater and vibration service lamp filament
Patent number
9,236,212
Issue date
Jan 12, 2016
Kabushiki Kaisha Toshiba
Takashi Tanaka
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Resistively heated small planar filament
Patent number
8,247,971
Issue date
Aug 21, 2012
Moxtek, Inc.
Erik C. Bard
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Emitter for X-ray tubes and heating method therefore
Patent number
8,000,449
Issue date
Aug 16, 2011
Koninklijke Philips Electronics N.V.
Stefan Hauttmann
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
X-ray tube with enhanced small spot cathode and methods for manufac...
Patent number
7,657,003
Issue date
Feb 2, 2010
Thermo NITON Analyzers LLC
William L. Adams
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Filament assembly having reduced electron beam time constant
Patent number
7,539,286
Issue date
May 26, 2009
Varian Medical Systems, Inc.
Steve Bandy
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Filament for X-ray tube and X-ray tube having the same
Patent number
7,271,530
Issue date
Sep 18, 2007
Rigaku Corporation
Masaru Kuribayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode ray tube having an improved indirectly heated cathode struc...
Patent number
6,614,147
Issue date
Sep 2, 2003
Hitachi, Ltd.
Sachio Koizumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode ray tube having an improved indirectly heated cathode
Patent number
6,492,768
Issue date
Dec 10, 2002
Hitachi, Ltd.
Sachio Koizumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode ray tube having an indirectly heated cathode provided with...
Patent number
6,335,590
Issue date
Jan 1, 2002
Hitachi, Ltd.
Norio Iwamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode ray tube having an improved indirectly heated cathode
Patent number
6,191,528
Issue date
Feb 20, 2001
Hitachi, Ltd.
Norio Iwamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode assembly, electron gun assembly, electron tube, heater, and...
Patent number
6,130,502
Issue date
Oct 10, 2000
Kabushiki Kaisha Toshiba
Kazuo Kobayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High emittance electron source having high illumination uniformity
Patent number
6,091,187
Issue date
Jul 18, 2000
International Business Machines Corporation
Steven D. Golladay
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus for depositing cathode material on a wire cathode
Patent number
5,902,464
Issue date
May 11, 1999
U.S. Philips Corporation
Nicolaas J.M. Van Leth
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a dispenser cathode
Patent number
5,890,941
Issue date
Apr 6, 1999
U.S. Philips Corporation
Jacobus A. J. M. Deckers
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Display device based on indirectly heated thermionic cathodes
Patent number
5,831,382
Issue date
Nov 3, 1998
Frank Albert Bilan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for depositing cathode material on a wire cathode
Patent number
5,714,051
Issue date
Feb 3, 1998
U.S. Philips Corporation
Nicolaas J.M. Van Leth
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Directly heated cathode structure
Patent number
5,701,052
Issue date
Dec 23, 1997
Samsung Display Devices Co., Ltd.
Chang-seob Kim
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dispenser cathode and method of manufacturing a dispenser cathode
Patent number
5,666,022
Issue date
Sep 9, 1997
U.S. Philips Corporation
Jacobus A. J. M. Deckers
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for manufacturing a cathode
Patent number
5,595,933
Issue date
Jan 21, 1997
U.S. Philips Corporation
Willem L. C. M. Heijboer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode
Patent number
5,475,281
Issue date
Dec 12, 1995
U.S. Philips Corporation
Willem L. C. M. Heijboer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Indirectly-heated cathode heater structure for a cathode ray tube
Patent number
5,453,657
Issue date
Sep 26, 1995
Gold Star Co., Ltd.
Gong S. Park
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode heater and cathode assembly for microwave power tubes
Patent number
5,350,969
Issue date
Sep 27, 1994
Litton Systems, Inc.
Todd R. Gattuso
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cathode assembly of an electron gun for a color cathode ray tube
Patent number
5,341,064
Issue date
Aug 23, 1994
Samsung Electron Devices Co., Ltd.
Kwang-ki Seong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thin high temperature heater
Patent number
5,155,340
Issue date
Oct 13, 1992
Mitsubishi Denki Kabushiki Kaisha
Noriko Morita
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Pincer Mount Cathode
Publication number
20240161994
Publication date
May 16, 2024
KIMBALL PHYSICS, INC.
Andrea Michelle Calvey
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FUNCTIONAL METAL OXIDES AND METHODS OF MAKING SAME
Publication number
20220325439
Publication date
Oct 13, 2022
William A. PHELAN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRON GUN
Publication number
20200395185
Publication date
Dec 17, 2020
NEW JAPAN RADIO CO., LTD.
Toru KIMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SYSTEM AND METHOD FOR DEPTH-SELECTABLE X-RAY ANALYSIS
Publication number
20200098537
Publication date
Mar 26, 2020
Sigray, Inc.
Wenbing Yun
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CATHODES WITH CONFORMAL CATHODE SURFACES, VACUUM ELECTRONIC DEVICES...
Publication number
20200066474
Publication date
Feb 27, 2020
Modern Electron, LLC
John J. Lorr
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Flat Emitters With Stress Compensation Features
Publication number
20180350549
Publication date
Dec 6, 2018
GENERAL ELECTRIC COMPANY
Evan Lampe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TUNGSTEN WIRE, CATHODE HEATER AND VIBRATION SERVICE LAMP FILAMENT
Publication number
20120285586
Publication date
Nov 15, 2012
Kabushiki Kaisha Toshiba
Takashi Tanaka
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
RESISTIVELY HEATED SMALL PLANAR FILAMENT
Publication number
20120212157
Publication date
Aug 23, 2012
MOXTEK, INC.
Sterling W. Cornaby
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
EMITTER FOR X-RAY TUBES AND HEATING METHOD THEREFORE
Publication number
20100316192
Publication date
Dec 16, 2010
Koninklijke Philips Electronics N.V.
Stefan Hauttmann
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RESISTIVELY HEATED SMALL PLANAR FILAMENT
Publication number
20100239828
Publication date
Sep 23, 2010
Sterling W. Cornaby
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TUNGSTEN WIRE, CATHODE HEATER AND VIBRATION SERVICE LAMP FILAMENT
Publication number
20100084055
Publication date
Apr 8, 2010
Kabushiki Kaisha Toshiba
Takashi Tanaka
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
FILAMENT ASSEMBLY HAVING REDUCED ELECTRON BEAM TIME CONSTANT
Publication number
20090129550
Publication date
May 21, 2009
Varian Medical Systems Technologies, Inc.
Steve G. Bandy
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
X-Ray Tube with Enhanced Small Spot Cathode and Methods for Manufac...
Publication number
20090060142
Publication date
Mar 5, 2009
William L. ADAMS
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Filament for X-ray tube and X-ray tube having the same
Publication number
20070090744
Publication date
Apr 26, 2007
Rigaku Corporation
Masaru Kuribayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Cathode ray tube and method for manufacturing the same
Publication number
20050012835
Publication date
Jan 20, 2005
Nam Leen Leem
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Tunsten wire, cathode heater, and filament for vibration service lamp
Publication number
20040244879
Publication date
Dec 9, 2004
Takashi Tanaka
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Cathode ray tube having an improved indirectly heated cathode struc...
Publication number
20010015613
Publication date
Aug 23, 2001
Sachio Koizumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Cathode ray tube having an improved indirectly heated cathode
Publication number
20010001531
Publication date
May 24, 2001
Norio Iwamura
H01 - BASIC ELECTRIC ELEMENTS