H01J 1/22

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Description

Class  H01J : ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS


Subclass 1/22: 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 Heaters (filaments for incandescent lamps H01K 1/02)

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
11984292 Radiotherapy device and microwave source thereofDec 26, 22May 14, 24Shanghai United Imaging Healthcare Co., Ltd.
11764026 Electron sourceJul 20, 22Sep 19, 23ISOTOPX LTD
11488799 Heaters for hollow cathodesJul 22, 22Nov 01, 22PIPL LIMITED
11430627 Electron sourceOct 26, 18Aug 30, 22ISOTOPX LTD
10741351 Multi-apertured conduction heaterAug 01, 19Aug 11, 20Lockheed Martin Corporation
10586674 Field emission electron source, method for manufacturing same, and electron beam deviceNov 24, 16Mar 10, 20Hitachi High-Technologies Corporation
10553388 High-brightness lanthanum hexaboride cathode and method for manufacturing of cathodeNov 28, 18Feb 04, 20NUFLARE TECHNOLOGY, INC.; NuFlare Technology America, Inc.;
10043632 Thermionic emission device, focus head, x-ray tube and x-ray radiatorAug 17, 17Aug 07, 18Siemens Healthcare GmbH
9818570 Ion source for multiple charged speciesDec 17, 15Nov 14, 17VARIAN SEMICONDUCTOR EQUIPMENT ASSOCIATES, INC.
9309871 Hall-effect motor in which the temperature of the cathode-heating device is controlledApr 29, 11Apr 12, 16SNECMA
9236212 Tungsten wire, cathode heater and vibration service lamp filamentMay 15, 12Jan 12, 16KABUSHIKI KAISHA TOSHIBA

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2024/0297,009 RADIOTHERAPY DEVICE AND MICROWAVE SOURCE THEREOFMay 13, 24Sep 05, 24Shanghai United Imaging Healthcare Co., Ltd.

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