Class H01J : ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
Subclass 1/14: Details 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 (details of electron-optical arrangements or of ion traps H01J 3/00) Main electrodes Solid thermionic cathodes characterised by the material
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12253574 | Adaptive impedance tracking | Dec 29, 22 | Mar 18, 25 | Advanced Energy Industries, Inc. |
| 12080505 | Multi-material thermionic electron emitters | Jan 04, 24 | Sep 03, 24 | ENGENIUSMICRO, LLC |
| 11688579 | Electron emitter and method of fabricating same | Dec 13, 21 | Jun 27, 23 | ASML Netherlands B.V. |
| 11310898 | Compact high-voltage power supply and radiation apparatus systems and methods | Dec 20, 19 | Apr 19, 22 | Dowell -- A Division of Schlumberger Technology Corporation |
| 11264228 | Method of making a carbon filament for thermal ionization | Oct 09, 18 | Mar 01, 22 | Savannah River Nuclear Solutions, LLC |
| 11201032 | Electron emitter and method of fabricating same | Sep 16, 20 | Dec 14, 21 | ASML Netherlands B.V. |
| 11152181 | Estimation of cathode space current for a thermionic vacuum tube using a polynomial based on a heuristically determined variable representing the grid and plate voltages | May 17, 19 | Oct 19, 21 | Panayotis Tsambos |
| 10784071 | Electron emitter and method of fabricating same | Jul 31, 17 | Sep 22, 20 | ASML Netherlands B.V. |
| 10651001 | Field emission device and field emission method | Mar 16, 17 | May 12, 20 | Meidensha Corporation |
| 10593505 | Low temperature, high-brightness, cathode | Nov 28, 18 | Mar 17, 20 | NUFLARE TECHNOLOGY, INC.; NuFlare Technology America, Inc.; |
| 10056218 | Graphene/graphite-based filament for thermal ionization | Feb 17, 17 | Aug 21, 18 | Savannah River Nuclear Solutions, LLC |
| 10026582 | Thermionic emission filament, quadrupole mass spectrometer and residual gas analyzing method | Dec 07, 16 | Jul 17, 18 | Horiba Stec Co. Ltd. |
| 9947809 | Conductive paste and electronic device and solar cell including an electrode formed using the conductive paste | Nov 09, 12 | Apr 17, 18 | SAMSUNG ELECTRONICS CO., LTD. |
| 9812279 | Electrode material with low work function and high chemical stability | Dec 31, 12 | Nov 07, 17 | Not available |
| 9734976 | Array of carbon nanotube micro-tip structures | Jul 20, 16 | Aug 15, 17 | HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITY, |
| 9646796 | Carburized lutetium oxide doped molybdenum cathode and its fabrication method | Mar 18, 14 | May 09, 17 | BEIJING UNIVERSITY OF TECHNOLOGY |
| 9552952 | electride hollow cathode | Apr 05, 16 | Jan 24, 17 | COLORADO STATE UNIVERSITY RESEARCH FOUNDATION, COLROADO STATE UNIVERSITY RESEARCH FOUNDATION, |
| 9490098 | Thermal-field type electron source composed of transition metal carbide material | Jan 11, 16 | Nov 08, 16 | Applied Physics Technologies, Inc. |
| 9443691 | Electron emission surface for X-ray generation | Dec 30, 13 | Sep 13, 16 | GENERAL ELECTRIC COMPANY |
| 9437391 | Carbon nanotube based micro-tip structure and method for making the same | Aug 23, 12 | Sep 06, 16 | HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITY, |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0339,280 | CATHODE BASED ON THE MATERIAL C12A7: E (ELECTRIDE) FOR THERMIONIC ELECTRON EMISSION AND METHOD FOR USING SAME | Jul 05, 22 | Oct 10, 24 | Advanced Thermal Devices S.L. |
| 2018/0240,637 | Graphene/Graphite-Based Filament for Thermal Ionization | Feb 17, 17 | Aug 23, 18 | Not available |
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