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H01J1/14

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HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J1/00Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps

Current Industry

H01J1/14characterised by the material

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Multi-material thermionic electron emitters
- Patent number 12,080,505
- Issue date Sep 3, 2024
- ENGENIUSMICRO, LLC
- Arthur Gernt Bond
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Annular gap cathodes with graphite caps
- Patent number 12,057,285
- Issue date Aug 6, 2024
- Kimball Physics, Inc.
- George Douglas Calvey
- H01 - BASIC ELECTRIC ELEMENTS
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
Electron source, method for manufacturing same, and device provided...
- Patent number 12,014,894
- Issue date Jun 18, 2024
- DENKA COMPANY LIMITED
- Hiromitsu Chatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron source, method for manufacturing same, and device provided...
- Patent number 11,984,291
- Issue date May 14, 2024
- DENKA COMPANY LIMITED
- Hiromitsu Chatani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron emitter and method of fabricating same
- Patent number 11,688,579
- Issue date Jun 27, 2023
- ASML Netherlands B.V.
- Juying Dou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compact high-voltage power supply and radiation apparatus systems a...
- Patent number 11,310,898
- Issue date Apr 19, 2022
- Schlumberger Technology Corporation
- Jani Reijonen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making a carbon filament for thermal ionization
- Patent number 11,264,228
- Issue date Mar 1, 2022
- Savannah River Nuclear Solutions, LLC
- Joseph M. Mannion
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron emitter and method of fabricating same
- Patent number 11,201,032
- Issue date Dec 14, 2021
- ASML Netherlands B.V.
- Juying Dou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermionic emission device and method for making the same
- Patent number 11,195,686
- Issue date Dec 7, 2021
- Tsinghua University
- Xin-He Yang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron source and production method therefor
- Patent number 11,152,185
- Issue date Oct 19, 2021
- DENKA COMPANY LIMITED
- Toshiyuki Morishita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Estimation of cathode space current for a thermionic vacuum tube us...
- Patent number 11,152,181
- Issue date Oct 19, 2021
- Panayotis Tsambos
- Panayotis Tsambos
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Emitter structures for enhanced thermionic emission
- Patent number 11,094,493
- Issue date Aug 17, 2021
- Lockheed Martin Corporation
- Frans Hendrik Ebersohn
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermionic tungsten/scandate cathodes and method of making the same
- Patent number 11,075,049
- Issue date Jul 27, 2021
- The Government of the United States of America, as represented by the Secreta...
- Boris N. Feigelson
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Tungsten alloy part, and discharge lamp, transmitting tube, and mag...
- Patent number 10,998,157
- Issue date May 4, 2021
- Kabushiki Kaisha Toshiba
- Shinichi Yamamoto
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Electron source and production method therefor
- Patent number 10,957,511
- Issue date Mar 23, 2021
- DENKA COMPANY LIMITED
- Toshiyuki Morishita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical potential energy to electrical kinetic energy converter,...
- Patent number 10,910,211
- Issue date Feb 2, 2021
- Seongsik Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron emitter and method of fabricating same
- Patent number 10,784,071
- Issue date Sep 22, 2020
- ASML Netherlands B.V.
- Juying Dou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron emission element, electrification apparatus, and image for...
- Patent number 10,727,021
- Issue date Jul 28, 2020
- SHARP KABUSHIKI KAISHA
- Katsumi Adachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of fabricating tungsten scandate nano-composite powder for c...
- Patent number 10,714,292
- Issue date Jul 14, 2020
- The Regents of the University of California
- Neville C. Luhmann
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Thermionic cathode with a graphene sealing layer and method of maki...
- Patent number 10,679,816
- Issue date Jun 9, 2020
- Triad National Security, LLC
- Nathan Moody
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low temperature, high-brightness, cathode
- Patent number 10,593,505
- Issue date Mar 17, 2020
- NUFLARE TECHNOLOGY, INC.
- Victor Katsap
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron guns for electron beam tools
- Patent number 10,573,481
- Issue date Feb 25, 2020
- NUFLARE TECHNOLOGY, INC.
- Victor Katsap
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-brightness lanthanum hexaboride cathode and method for manufac...
- Patent number 10,553,388
- Issue date Feb 4, 2020
- NUFLARE TECHNOLOGY, INC.
- Victor Katsap
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron source and production method therefor
- Patent number 10,553,390
- Issue date Feb 4, 2020
- DENKA COMPANY LIMITED
- Toshiyuki Morishita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermionic tungsten/scandate cathodes and methods of making the same
- Patent number 10,497,530
- Issue date Dec 3, 2019
- The Government of the United States of America, as represented by the Secreta...
- Boris N. Feigelson
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Tungsten alloy part, and discharge lamp, transmitting tube, and mag...
- Patent number 10,395,879
- Issue date Aug 27, 2019
- Kabushiki Kaisha Toshiba
- Shinichi Yamamoto
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Ion pump noble gas stability using small grain sized cathode material
- Patent number 10,121,627
- Issue date Nov 6, 2018
- Edwards Vacuum LLC
- Anthony Wynohrad
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Graphene/graphite-based filament for thermal ionization
- Patent number 10,056,218
- Issue date Aug 21, 2018
- Savannah River Nuclear Solutions, LLC
- Joshua T. Hewitt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermionic emission filament, quadrupole mass spectrometer and resi...
- Patent number 10,026,582
- Issue date Jul 17, 2018
- Horiba Stec, Co., Ltd.
- Kohei Sasai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
CATHODE BASED ON THE MATERIAL C12A7: E (ELECTRIDE) FOR THERMIONIC E...
- Publication number 20240339280
- Publication date Oct 10, 2024
- Advanced Thermal Devices S.L.
- Jose Fabian Plaza Fernandez
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
REFERENCE ELECTRODE FOR HIGH TEMPERATURE CORROSION SENSOR APPLICATIONS
- Publication number 20240331965
- Publication date Oct 3, 2024
- West Virginia University Board of Governors on behalf of West Virginia Univer...
- Shanshan Hu
- H01 - BASIC ELECTRIC ELEMENTS
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
ANNULAR GAP CATHODES WITH GRAPHITE CAPS
- Publication number 20240161993
- Publication date May 16, 2024
- George Douglas Calvey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON SOURCE, METHOD FOR MANUFACTURING SAME, AND DEVICE PROVIDED...
- Publication number 20240029989
- Publication date Jan 25, 2024
- Denka Company Limited
- Hiromitsu CHATANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CATHODE MEMBER FOR ELECTRON BEAM GENERATION, AND METHOD FOR MANUFAC...
- Publication number 20220336179
- Publication date Oct 20, 2022
- KOBELCO RESEARCH INSTITUTE, INC.
- Kenji KOGA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD AND APPARATUS FOR REDUCING THE WORK FUNCTION OF POLYCRYSTALL...
- Publication number 20220328274
- Publication date Oct 13, 2022
- California Institute of Technology
- Pedro P. GUERRERO VELA
- 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 EMITTER AND METHOD OF FABRICATING SAME
- Publication number 20220189725
- Publication date Jun 16, 2022
- ASML NETHERLANDS B.V.
- Juying DOU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THERMIONIC EMISSION DEVICE AND METHOD FOR MAKING THE SAME
- Publication number 20210217572
- Publication date Jul 15, 2021
- TSINGHUA UNIVERSITY
- XIN-HE YANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPACT HIGH-VOLTAGE POWER SUPPLY AND RADIATION APPARATUS SYSTEMS A...
- Publication number 20210195721
- Publication date Jun 24, 2021
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Jani Reijonen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRON SOURCE AND PRODUCTION METHOD THEREFOR
- Publication number 20210193427
- Publication date Jun 24, 2021
- DENKA COMPANY LIMITED
- Toshiyuki MORISHITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON EMITTER AND METHOD OF FABRICATING SAME
- Publication number 20210142975
- Publication date May 13, 2021
- ASML NETHERLANDS B.V.
- Juying Dou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Emitter Structures for Enhanced Thermionic Emission
- Publication number 20210035765
- Publication date Feb 4, 2021
- Lockheed Martin Corporation
- Frans Hendrik Ebersohn
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON SOURCE AND PRODUCTION METHOD THEREFOR
- Publication number 20200126750
- Publication date Apr 23, 2020
- DENKA COMPANY LIMITED
- Toshiyuki MORISHITA
- 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
Thermionic Tungsten/Scandate Cathodes and Method of Making The Same
- Publication number 20200043691
- Publication date Feb 6, 2020
- The Government of the United States of America, as represented by the Secreta...
- Boris N. Feigelson
- B22 - CASTING POWDER METALLURGY
Information Patent Application
ELECTRICAL POTENTIAL ENERGY TO ELECTRICAL KINETIC ENERGY CONVERTER,...
- Publication number 20190378707
- Publication date Dec 12, 2019
- Seongsik Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ESTIMATION OF CATHODE SPACE CURRENT FOR A THERMIONIC VACUUM TUBE US...
- Publication number 20190362926
- Publication date Nov 28, 2019
- Panayotis Tsambos
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TUNGSTEN ALLOY PART, AND DISCHARGE LAMP, TRANSMITTING TUBE, AND MAG...
- Publication number 20190333729
- Publication date Oct 31, 2019
- Kabushiki Kaisha Toshiba
- Shinichi YAMAMOTO
- B22 - CASTING POWDER METALLURGY
Information Patent Application
ELECTRON SOURCE AND PRODUCTION METHOD THEREFOR
- Publication number 20190221399
- Publication date Jul 18, 2019
- DENKA COMPANY LIMITED
- Toshiyuki MORISHITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Graphene/Graphite-Based Filament for Thermal Ionization
- Publication number 20180240637
- Publication date Aug 23, 2018
- Savannah River Nuclear Solutions, LLC
- Joshua T. Hewitt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TARGET FOR BARIUM-SCANDATE DISPENSER CATHODE
- Publication number 20180158639
- Publication date Jun 7, 2018
- Koninklijke Philips N.V.
- Georg Friedrich Gaertner
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD OF FABRICATING TUNGSTEN SCANDATE NANO-COMPOSITE POWDER FOR C...
- Publication number 20170358419
- Publication date Dec 14, 2017
- The Regents of the University of California
- Neville C. Luhmann
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
THERMIONIC EMISSION FILAMENT, QUADRUPOLE MASS SPECTROMETER AND RESI...
- Publication number 20170169981
- Publication date Jun 15, 2017
- Horiba Stec, Co., Ltd.
- Kohei SASAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ARRAY OF CARBON NANOTUBE MICRO-TIP STRUCTURES
- Publication number 20160329184
- Publication date Nov 10, 2016
- TSINGHUA UNIVERSITY
- Yang Wei
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Thermionic Tungsten/Scandate Cathodes and Methods of Making the Same
- Publication number 20160300684
- Publication date Oct 13, 2016
- The Government of the United States of America, as represented by the Secreta...
- Boris N. Feigelson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
12CaO-7Al2O3 ELECTRIDE HOLLOW CATHODE
- Publication number 20160217961
- Publication date Jul 28, 2016
- Colorado State University Research Foundation
- Lauren P. Rand
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TUNGSTEN ALLOY PART, AND DISCHARGE LAMP, TRANSMITTING TUBE, AND MAG...
- Publication number 20150125340
- Publication date May 7, 2015
- Kabushiki Kaisha Toshiba
- Shinichi YAMAMOTO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
12CaO-7Al2O3 ELECTRIDE HOLLOW CATHODE
- Publication number 20140354138
- Publication date Dec 4, 2014
- Lauren P. Rand
- H01 - BASIC ELECTRIC ELEMENTS

characterised by the material

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Multi-material thermionic electron emitters

Annular gap cathodes with graphite caps

Pincer mount cathode

Electron source, method for manufacturing same, and device provided...

Electron source, method for manufacturing same, and device provided...

Electron emitter and method of fabricating same

Compact high-voltage power supply and radiation apparatus systems a...

Method of making a carbon filament for thermal ionization

Electron emitter and method of fabricating same

Thermionic emission device and method for making the same

Electron source and production method therefor

Estimation of cathode space current for a thermionic vacuum tube us...

Emitter structures for enhanced thermionic emission

Thermionic tungsten/scandate cathodes and method of making the same

Tungsten alloy part, and discharge lamp, transmitting tube, and mag...

Electron source and production method therefor

Electrical potential energy to electrical kinetic energy converter,...

Electron emitter and method of fabricating same

Electron emission element, electrification apparatus, and image for...

Method of fabricating tungsten scandate nano-composite powder for c...

Thermionic cathode with a graphene sealing layer and method of maki...

Low temperature, high-brightness, cathode

Electron guns for electron beam tools

High-brightness lanthanum hexaboride cathode and method for manufac...

Electron source and production method therefor

Thermionic tungsten/scandate cathodes and methods of making the same

Tungsten alloy part, and discharge lamp, transmitting tube, and mag...

Ion pump noble gas stability using small grain sized cathode material

Graphene/graphite-based filament for thermal ionization

Thermionic emission filament, quadrupole mass spectrometer and resi...

Patents Applicationslast 30 patents

CATHODE BASED ON THE MATERIAL C12A7: E (ELECTRIDE) FOR THERMIONIC E...

REFERENCE ELECTRODE FOR HIGH TEMPERATURE CORROSION SENSOR APPLICATIONS

Pincer Mount Cathode

ANNULAR GAP CATHODES WITH GRAPHITE CAPS

ELECTRON SOURCE, METHOD FOR MANUFACTURING SAME, AND DEVICE PROVIDED...

CATHODE MEMBER FOR ELECTRON BEAM GENERATION, AND METHOD FOR MANUFAC...

METHOD AND APPARATUS FOR REDUCING THE WORK FUNCTION OF POLYCRYSTALL...

FUNCTIONAL METAL OXIDES AND METHODS OF MAKING SAME

ELECTRON EMITTER AND METHOD OF FABRICATING SAME

THERMIONIC EMISSION DEVICE AND METHOD FOR MAKING THE SAME

COMPACT HIGH-VOLTAGE POWER SUPPLY AND RADIATION APPARATUS SYSTEMS A...

ELECTRON SOURCE AND PRODUCTION METHOD THEREFOR

ELECTRON EMITTER AND METHOD OF FABRICATING SAME

Emitter Structures for Enhanced Thermionic Emission

ELECTRON SOURCE AND PRODUCTION METHOD THEREFOR

CATHODES WITH CONFORMAL CATHODE SURFACES, VACUUM ELECTRONIC DEVICES...

Thermionic Tungsten/Scandate Cathodes and Method of Making The Same

ELECTRICAL POTENTIAL ENERGY TO ELECTRICAL KINETIC ENERGY CONVERTER,...

ESTIMATION OF CATHODE SPACE CURRENT FOR A THERMIONIC VACUUM TUBE US...

TUNGSTEN ALLOY PART, AND DISCHARGE LAMP, TRANSMITTING TUBE, AND MAG...

ELECTRON SOURCE AND PRODUCTION METHOD THEREFOR

Graphene/Graphite-Based Filament for Thermal Ionization

TARGET FOR BARIUM-SCANDATE DISPENSER CATHODE

METHOD OF FABRICATING TUNGSTEN SCANDATE NANO-COMPOSITE POWDER FOR C...

THERMIONIC EMISSION FILAMENT, QUADRUPOLE MASS SPECTROMETER AND RESI...

ARRAY OF CARBON NANOTUBE MICRO-TIP STRUCTURES

Thermionic Tungsten/Scandate Cathodes and Methods of Making the Same

12CaO-7Al2O3 ELECTRIDE HOLLOW CATHODE

TUNGSTEN ALLOY PART, AND DISCHARGE LAMP, TRANSMITTING TUBE, AND MAG...

12CaO-7Al2O3 ELECTRIDE HOLLOW CATHODE