Class H01J : ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
Subclass 1/20: 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 Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12183536 | X-ray cathode focusing element | Dec 21, 21 | Dec 31, 24 | GE Precision Healthcare LLC |
| 12046439 | Method for tuning work function using surface photo voltage and producing ultra-low-work-function surfaces, and devices operational therewith | Nov 30, 21 | Jul 23, 24 | The Board of Trustees of the Leland Stanford Junior University |
| 11996281 | System and method for introducing aluminum to an ion source | Jun 07, 23 | May 28, 24 | Applied Materials Inc. |
| 11798769 | Cathode-in-cathode high-power microwave (HPM) vacuum tube source and method of alignment | Mar 15, 23 | Oct 24, 23 | Raytheon Company |
| 10910211 | Electrical potential energy to electrical kinetic energy converter, ozone generator, and light emitter | Jun 03, 19 | Feb 02, 21 | Not available |
| 9646796 | Carburized lutetium oxide doped molybdenum cathode and its fabrication method | Mar 18, 14 | May 09, 17 | BEIJING UNIVERSITY OF TECHNOLOGY |
| 9208983 | Ion generation method and ion source | Aug 27, 13 | Dec 08, 15 | SUMITOMO HEAVY INDUSTRIES ION TECHNOLOGY CO., LTD. |
| 8876570 | Method for producing an electrode for a high-pressure discharge lamp and high-pressure discharge lamp comprising at least one electrode thus produced | Oct 28, 11 | Nov 04, 14 | OSRAM GMBH |
| 8664854 | Amalgam tip temperature control for an electrodeless lamp | Oct 21, 11 | Mar 04, 14 | OSRAM SYLVANIA INC. |
| 8598537 | Particle beam irradiation system and particle beam therapy system | Dec 06, 12 | Dec 03, 13 | MITSUBISHI ELECTRIC CORPORATION |
| 8278812 | Grid for vacuum electron device and method for manufacture of same | Jan 07, 08 | Oct 02, 12 | COMMUNICATIONS & POWER INDUSTRIES LLC |
| 8263942 | System, method and apparatus for multi-beam lithography including a dispenser cathode for homogeneous electron emission | Apr 07, 11 | Sep 11, 12 | MAPPER LITHOGRAPHY IP B.V. |
| 8247958 | System, method and apparatus for multi-beam lithography including a dispenser cathode for homogeneous electron emission | Mar 30, 10 | Aug 21, 12 | MAPPER LITHOGRAPHY IP B.V. |
| 8000449 | Emitter for X-ray tubes and heating method therefore | Oct 10, 07 | Aug 16, 11 | KONINKLIJKE PHILIPS ELECTRONICS N.V., KONINKLIJKE PHILIPS ELECTRONICS N V, |
| 7851981 | Visible perception of brightness in miniature bulbs for an ornamental lighting circuit | Dec 21, 07 | Dec 14, 10 | Seasonal Specialties, LLC |
| 7781951 | Filament lamp | Mar 12, 09 | Aug 24, 10 | USHIO DENKI KABUSHIKI KAISHA |
| 7728498 | Industrial hollow cathode | Dec 16, 06 | Jun 01, 10 | Kaufman & Robinson, Inc. |
| 7710009 | System, method and apparatus for multi-beam lithography including a dispenser cathode for homogeneous electron emission | Jan 05, 07 | May 04, 10 | MAPPER LITHOGRAPHY IP B.V. |
| 7586101 | Ion sources for ion implantation apparatus | Dec 22, 04 | Sep 08, 09 | APPLIED MATERIALS, INC. |
| 7545089 | Sintered wire cathode | Mar 21, 05 | Jun 09, 09 | CERADYNE, INC. |
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