| Patents for H01J 25 - Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons (1,999) |
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| 12/15/2011 | DE102009032759B4 Vorrichtung zur Vermeidung von parasitären Schwingungen in Elektronenstrahlröhren Device for avoiding parasitic oscillations in electron tubes |
| 12/14/2011 | CN202076224U 一种用于微波功率模块的行波管结构 TWT structure for microwave power modules |
| 12/13/2011 | US8076853 Terahertz sheet beam klystron |
| 12/08/2011 | US20110298373 Magnetron and microwave utilization device |
| 12/01/2011 | US20110291559 Terahertz sheet beam klystron |
| 11/30/2011 | EP2389678A1 Multi-mode, multi-frequency, two-beam accelerating device and method |
| 11/30/2011 | CN102262988A 碳纳米管冷阴极的制造方法及其应用 Carbon nanotube manufacturing method of the cold cathode and Its Applications |
| 11/24/2011 | WO2011144918A1 Electron tube |
| 11/24/2011 | US20110285283 Radiant tube and particle accelerator having a radiant tube |
| 11/16/2011 | EP1522084B1 Method and apparatus for magnetic focusing of off-axis electron beam |
| 11/16/2011 | CN101707174B Device for restraining pi mode oscillation of double-gap coupling cavity of multiple-beam klystron |
| 11/09/2011 | CN102237240A Filtering structure of magnetron |
| 11/09/2011 | CN102237239A Choking structure of magnetron |
| 11/09/2011 | CN102237236A Radiating structure of anode of magnetron |
| 11/09/2011 | CN102237235A Magnetic pole structure of magnetron |
| 11/03/2011 | US20110266951 Microwave tube with device for extracting ions produced in the tube |
| 10/20/2011 | US20110254443 Phase and frequency locked magnetron |
| 10/20/2011 | US20110254442 Magnetron and microwave-using equipment |
| 10/19/2011 | EP2378535A2 Magnetron and microwave oven therewith |
| 10/18/2011 | US8038936 Cooking device with deodorization |
| 10/12/2011 | CN102214540A Wide-pulse low-loss negative voltage modulator for control electrode of space traveling wave tube |
| 10/12/2011 | CN101740296B Lateral side cooling structure for drift section of sheet beam klystron |
| 10/06/2011 | WO2011120995A1 Device for thermally controlling an electron tube having a radiating collector, comprising a screen, a fluid loop and a high-temperature radiator |
| 10/06/2011 | US20110241543 Magnetron |
| 10/06/2011 | US20110241542 Magnetron |
| 10/05/2011 | EP2372742A1 Magnetron and microwave-using equipment |
| 10/05/2011 | CN102208316A Magnetron |
| 10/05/2011 | CN102208315A Compact relativity backward wave oscillator (RBWO) with adjustable low-frequency-range frequency |
| 10/05/2011 | CN102208308A Method for frame mounting of non-intercepting gridded electron gun of klystron |
| 09/29/2011 | WO2011117654A1 Magnetron |
| 09/29/2011 | US20110234093 Magnetron and microwave oven therewith |
| 09/22/2011 | US20110227480 Magnetron and device using microwaves |
| 09/21/2011 | CN102194631A Cathode heating device of magnetron, microwave generating device and method of preheating cathode of magnetron |
| 09/15/2011 | US20110221345 Cathode heating device of magnetron, microwave generating device and method of preheating cathode of magnetron |
| 09/13/2011 | US8018160 Magnetron having a feature for collecting material lost from a cathode thereof |
| 09/13/2011 | US8018159 Magnetron device with mode converter and related methods |
| 09/13/2011 | US8018158 Method and apparatus for interaction with a modulated off-axis electron beam |
| 09/07/2011 | CN201966172U 行波管散热装置 TWT cooling devices |
| 08/31/2011 | EP2150965B1 Method and apparatus for collector sweeping control of an electron beam |
| 08/31/2011 | CN201956316U 用于空间行波管的小型化收集极绝缘结构 Miniaturization collected for space TWT gate insulating structure |
| 08/25/2011 | US20110204785 Crossed field device |
| 08/24/2011 | CN201946562U 一种多注行波管电流控制装置 A multi-beam traveling wave tube current control device |
| 08/23/2011 | US8004197 Method and apparatus for collector sweeping control of an electron beam |
| 08/10/2011 | CN102148117A Radiating fin of magnetron anode |
| 08/10/2011 | CN101635244B Magnetron device |
| 08/10/2011 | CN101047095B Magnetron |
| 07/27/2011 | CN201910389U Universal heat dissipation device for multistation traveling-wave tubes used in lab |
| 07/14/2011 | US20110169405 Terahertz radiation sources and methods of manufacturing the same |
| 07/14/2011 | US20110169404 Traveling wave electron device with membrane-supported slow wave circuit |
| 07/13/2011 | EP2343725A1 Terahertz radiation sources and methods of manufacturing the same |
| 07/13/2011 | CN201898112U Eight-cavity small-power magnetron |
| 07/06/2011 | CN102117725A Multi-stage depressed collector with lining grid and manufacturing method and application thereof |
| 07/06/2011 | CN102117724A Porous metal electrode for multistage depressed collector |
| 06/29/2011 | EP2339899A1 Compact charged particle generation source |
| 06/29/2011 | CN102110565A Electron gun frame for space travelling wave tube |
| 06/29/2011 | CN102110564A Four-stage depressed collector for space traveling-wave tube |
| 06/22/2011 | EP2335266A1 Microwave tube with a device for extracting the ions generated in the tube |
| 06/22/2011 | CN201877399U Coil focusing traveling wave tube with integrated structure |
| 06/22/2011 | CN201877390U Brazing structure of oxygen-free copper and ceramic |
| 06/22/2011 | CN102103960A Outer cylinder side opening type multistage depressed collector component and manufacturing method thereof |
| 06/08/2011 | CN101452802B Choke for magnetron |
| 06/02/2011 | US20110127911 Traveling-Wave Tube Turn-Off Body Energy Circuit |
| 05/31/2011 | US7952289 UV lamp system and associated method with improved magnetron control |
| 05/31/2011 | US7952288 Power supply apparatus and high-frequency circuit system |
| 05/31/2011 | US7952287 Traveling-wave tube 2D slow wave circuit |
| 05/26/2011 | WO2011022643A3 Crossed field device |
| 05/26/2011 | DE102009046881A1 Vorrichtung und Verfahren zur Erzeugung eines Plasmas mittels eines Wanderwellenresonators Apparatus and method for generating a plasma by means of a Wanderwellenresonators |
| 05/25/2011 | CN1938810B Standing wave particle beam accelerator |
| 05/19/2011 | WO2011058361A1 High frequency cathode heater supply for a microwave source |
| 05/19/2011 | WO2011058360A1 Isolation transformer for a cathode heater supply for a microwave source |
| 05/18/2011 | CN201838553U Miniaturized three-stage depressed collector for multi-beam traveling wave tube |
| 05/18/2011 | CN201838552U Travelling wave tube collector |
| 05/11/2011 | CN102054646A Eight-cavity low-power magnetron and design steps thereof |
| 05/11/2011 | CN102054645A Wideband traveling wave tube slow wave system and fabrication method thereof |
| 05/11/2011 | CN102054644A Fluctuant waveguide slow wave structure |
| 05/11/2011 | CN101178999B Anti-liquid structure of magnetrons output part |
| 05/05/2011 | DE102009051056A1 Method for restoring operating state of magnetron discharge during magnetron sputtering, involves conductively switching insulated gate bipolar transistor for time periods when voltage at anode exceeds threshold values, respectively |
| 05/04/2011 | CN201820734U Slow wave component of Ku wave band pulse travelling wave tube and Ku wave band pulse travelling wave |
| 05/04/2011 | CN102044399A Magnetron for microwave oven |
| 05/04/2011 | CN102044398A Distributed amplification gyro traveling wave tube amplifier |
| 05/04/2011 | CN101174532B Magnetron |
| 04/28/2011 | WO2011050193A1 Low-voltage, multi-beam klystron |
| 04/21/2011 | US20110089829 Low-voltage, multi-beam klystron |
| 04/20/2011 | CN102024652A Electronic frequency tuning magnetron |
| 04/20/2011 | CN101478136B Microwave de-icing apparatus and de-icing method for electric power facilities |
| 04/14/2011 | WO2011044466A1 Methods of and systems for improving the operation of electric motor driven equipment |
| 04/13/2011 | CN102012502A Closed high-power travelling wave tube transmitter with phase change heat radiator |
| 04/13/2011 | CN101630621B Magnetron tube core without exhaust tube |
| 04/06/2011 | CN201788933U Heat radiator of collector of travelling-wave tube |
| 04/06/2011 | CN102005354A Pre-bunching high-power gyro traveling wave tube amplifier |
| 04/05/2011 | US7919924 Magnetron and method of manufacturing magnetron anode vane |
| 03/31/2011 | WO2011037498A1 Device for generation of microwaves |
| 03/31/2011 | WO2011037497A1 Device for generation of microwaves |
| 03/31/2011 | US20110074288 Energy Switch Assembly for Linear Accelerators |
| 03/30/2011 | CN101996836A Collector power supply stabilized voltage control circuit of helical traveling wave tube |
| 03/30/2011 | CN101994092A Magnetron device |
| 03/29/2011 | US7915827 Magnetron control method, magnetron service life judgment method, microwave generation device, magnetron service life judgment device, processing device, computer program, and storage medium |
| 03/24/2011 | WO2011033287A1 Method and apparatus for retrieving a phase of a wavefield |
| 03/24/2011 | CA2774082A1 Method and apparatus for retrieving a phase of a wavefield |
| 03/23/2011 | CN101989522A Choking structure of magnetron of microwave oven |