| Patents for H01J 25 - Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons (1,999) |
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| 09/14/2005 | CN1219311C Magnetron and method for manufacturing same |
| 08/30/2005 | US6936981 Retarding electron beams in multiple electron beam pattern generation |
| 08/25/2005 | US20050184815 Anodically bonded cell, method for making same and systems incorporating same |
| 08/24/2005 | EP1565926A2 Vacuum tube electrode structure |
| 08/24/2005 | EP1364382B1 Device for producing high frequency microwaves |
| 08/23/2005 | US6933683 Microwave powered lamphead having external shutter |
| 08/17/2005 | EP1564788A2 Electrodeless lighting system |
| 08/17/2005 | EP1362358B1 cOLLECTOR WITH A COLLECTOR WALL AND A COLLECTOR COIL GROUP FOR A GYROTRON |
| 08/17/2005 | CN1655311A 磁控管 Magnetron |
| 08/11/2005 | US20050174061 Magnetron |
| 08/11/2005 | US20050173429 Magnetron |
| 08/10/2005 | EP1562218A2 Magnetron |
| 08/04/2005 | US20050167608 Method and apparatus for magnetic focusing of off-axis electron beam |
| 08/04/2005 | US20050167426 Magnetron |
| 07/27/2005 | EP1557858A2 Magnetron |
| 07/27/2005 | CN1645543A 磁控管 Magnetron |
| 07/27/2005 | CN1645542A Magnetron |
| 07/26/2005 | US6921890 Low-noise, crossed-field devices such as a microwave magnetron having an azimuthally-varying axial magnetic field and microwave oven utilizing same |
| 07/26/2005 | US6921889 Magnetron and microwave oven and high frequency heating apparatus each equipped with the same |
| 07/20/2005 | CN1643637A Magnetron |
| 07/20/2005 | CN1641825A Forced-convection asymmetrical radiator |
| 07/14/2005 | WO2004100353A3 Low-noise, crossed-field devices such as a microwave magnetron, microwave oven utilizing same and method of converting a noisy magnetron to a low-noise magnetron |
| 07/13/2005 | EP1553615A2 Magnetron |
| 07/13/2005 | CN1638005A 磁控管 Magnetron |
| 07/13/2005 | CN1638004A High voltage input apparatus for magnetron |
| 07/12/2005 | US6917162 Traveling wave tube |
| 07/07/2005 | US20050148270 Microdischarge devices and arrays |
| 07/06/2005 | EP1551053A2 High voltage input apparatus for magnetron |
| 06/30/2005 | WO2005059946A1 Klystron amplifier |
| 06/30/2005 | US20050141585 High voltage input apparatus for magnetron |
| 06/21/2005 | US6909104 Miniaturized terahertz radiation source |
| 06/09/2005 | US20050122049 Electrodeless lighting system |
| 06/08/2005 | CN1624862A Electrodeless lighting system |
| 06/02/2005 | US20050116651 Electron beam tube apparatus |
| 05/26/2005 | WO2005017938A3 Method and apparatus for bi-planar backward wave oscillator |
| 05/25/2005 | CN2702440Y A magnetron capable of separating filtering device |
| 05/25/2005 | CN2702439Y Magnetron |
| 05/25/2005 | CN1203277C Microwave oven |
| 05/25/2005 | CN1203276C Microwave oven |
| 05/19/2005 | US20050104523 Magnetron |
| 05/11/2005 | EP1145268B1 Multiband travelling wave tube of reduced length capable of high power functioning |
| 05/04/2005 | EP1095390B1 Multibeam electronic tube with magnetic field for correcting beam trajectory |
| 04/28/2005 | US20050088099 Correction system, method of correcting deflection distortion, program and method for manufacturing a semiconductor device |
| 04/26/2005 | US6885152 Multilayer field emission klystron |
| 04/21/2005 | WO2005036730A1 Microwave generator |
| 04/20/2005 | EP1524758A2 Power supply apparatus for traveling-wave tube which eliminates high voltage relay |
| 04/14/2005 | US20050077973 Method and apparatus for bi-planar backward wave oscillator |
| 04/14/2005 | US20050077831 Microwave tube system and microwave tube |
| 04/13/2005 | EP1522084A2 Method and apparatus for magnetic focusing of off-axis electron beam |
| 04/13/2005 | CN1606130A Correction system and method of correcting deflection distortion, method for manufacturing a semiconductor device |
| 04/06/2005 | EP1521288A2 Magnetron for microwave oven |
| 04/06/2005 | CN1196164C 磁控管 Magnetron |
| 03/31/2005 | US20050067966 Power supply apparatus for traveling-wave tube which eliminates high voltage relay |
| 03/29/2005 | US6872929 Low-noise, crossed-field devices such as a microwave magnetron, microwave oven utilizing same and method of converting a noisy magnetron to a low-noise magnetron |
| 03/24/2005 | US20050062427 Magnetron cathode assembly |
| 03/24/2005 | US20050062424 Photonic crystal ribbon-beam traveling wave amplifier |
| 03/24/2005 | US20050061805 Magnetron for microwave ovens and method of forming same |
| 03/23/2005 | EP1517352A2 Power supply circuit for traveling-wave tube which eliminates large relay and relay driving power supply |
| 03/23/2005 | EP1517351A2 Magnetron cathode assembly |
| 03/23/2005 | CN1599537A Electronic energy switch for particle accelerator |
| 03/23/2005 | CN1599012A Magnetron cathode assembly |
| 03/23/2005 | CN1598399A Microwave powered lamphead having external shutter |
| 03/22/2005 | US6870318 Multiple stage depressed collector (MSDC) klystron based amplifier for ground based satellite and terrestrial communications |
| 03/22/2005 | CA2384908C Dual-band rf power tube with shared collector and associated method |
| 03/17/2005 | US20050057198 Electronic energy switch for particle accelerator |
| 03/17/2005 | US20050057159 Power supply circuit for traveling-wave tube which eliminates large relay and relay driving power supply |
| 03/17/2005 | US20050057157 Traveling-wave tube having heat radiating structure with high thermal conductivity |
| 03/16/2005 | EP1515353A2 Magnetron for microwave ovens and method of forming same |
| 03/16/2005 | CN1595591A Magnetron for microwave ovens and method of forming same |
| 03/15/2005 | US6867548 Microdischarge devices and arrays |
| 03/15/2005 | US6867405 Magnetron for microwave ovens |
| 03/03/2005 | WO2005020272A2 Magnetron |
| 03/03/2005 | CA2536013A1 Magnetron |
| 02/24/2005 | WO2005017939A2 Ribbon-beam travelling wave amplifier with a single-sided slow-wave structure |
| 02/24/2005 | WO2005017938A2 Method and apparatus for bi-planar backward wave oscillator |
| 02/24/2005 | CA2542174A1 Method and apparatus for bi-planar backward wave oscillator |
| 02/23/2005 | EP1508151A2 High power density collector |
| 02/16/2005 | CN2679841Y Magnetron having microwave coaxial output |
| 02/16/2005 | CN1581410A 磁控管 Magnetron |
| 02/15/2005 | US6856095 High frequency heating device |
| 02/15/2005 | US6856081 Method and apparatus for magnetic focusing of off-axis electron beam |
| 02/10/2005 | US20050029917 Magnetron |
| 02/09/2005 | EP1505628A2 Magnetron |
| 02/09/2005 | EP1505627A2 Magnetron |
| 02/09/2005 | CN1577702A 磁控管 Magnetron |
| 02/09/2005 | CN1577701A Magnetron for microwave oven |
| 02/09/2005 | CN1577700A 磁控管 Magnetron |
| 02/03/2005 | US20050023984 Multibeam klystron |
| 02/02/2005 | EP1186079B1 Miniaturized terahertz radiation source |
| 02/02/2005 | CN1574168A 磁控管 Magnetron |
| 02/02/2005 | CN1187783C 磁控管 Magnetron |
| 01/25/2005 | US6847168 Electron gun for a multiple beam klystron using magnetic focusing with a magnetic field corrector |
| 01/25/2005 | US6847023 Magnetron for microwave ovens |
| 01/20/2005 | US20050012461 Magnetron |
| 01/20/2005 | US20050012459 Printed self illuminating color pixel circuit |
| 01/18/2005 | US6844860 Transducer with field emitter array |
| 01/18/2005 | US6844680 Magnetron having specific dimensions for solving noise problem |
| 01/11/2005 | US6841940 Magnetron anodes |
| 01/05/2005 | EP1494259A2 Choke coil for a magnetron, and magnetron comprising such coil. |
| 01/05/2005 | DE10327050A1 Separating layer system with individual layer(s) of defined material by pulse-magnetron sputtering involves applying individual layer(s) as sub-regions lying one on the other in growth direction |