| Patents for H01J 25 - Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons (1,999) |
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| 02/18/1986 | US4571524 Electron accelerator and a millimeter-wave and submillimeter-wave generator equipped with said accelerator |
| 02/13/1986 | WO1986001032A1 Microwave electron gun |
| 01/28/1986 | US4567452 Broad-band beam buncher |
| 01/28/1986 | US4567406 High-gain Klystron-tetrode |
| 01/28/1986 | US4567402 Electron beam injection device for an ultra-high frequency radio electric wave generator |
| 01/07/1986 | US4563615 Ultra high frequency radio electric wave generators |
| 12/31/1985 | US4562380 Tilt-angle electron gun |
| 12/17/1985 | US4559476 Radio-frequency amplifier |
| 12/17/1985 | US4559475 For generating millimeter/submillimeter electromagnetic radiations |
| 12/10/1985 | US4558258 Klystron unit |
| 12/10/1985 | US4558256 Velocity tapering of comb-quad traveling-wave tubes |
| 12/03/1985 | USH6 Generation of a modulated IREB with a frequency tunable by a magnetic field |
| 11/19/1985 | US4554484 Complex cavity gyrotron |
| 11/19/1985 | US4554483 Active circulator gyrotron traveling-wave amplifier |
| 11/12/1985 | US4553068 High power millimeter-wave source |
| 10/29/1985 | US4550271 Gyromagnetron amplifier |
| 10/22/1985 | US4549111 VHF radioelectric wave generator |
| 08/06/1985 | US4533875 Wide-band gyrotron traveling-wave amplifier |
| 07/23/1985 | US4531104 Tunable magnetron of the coaxial-vacuum type |
| 07/23/1985 | US4531103 Multidiameter cavity for reduced mode competition in gyrotron oscillator |
| 07/23/1985 | US4531076 Electron beam stimulated electromagnetic radiation generator |
| 07/02/1985 | US4527094 Altitude compensation for frequency agile magnetron |
| 07/02/1985 | US4527091 Density modulated electron beam tube with enhanced gain |
| 06/19/1985 | EP0144317A1 Grid structure for certain plural mode electron guns. |
| 05/28/1985 | US4520293 High frequency amplifier |
| 05/21/1985 | US4518932 Coaxial magnetron having cavity walls vibrated by tuning fork |
| 05/15/1985 | EP0141525A2 Gyrotron device |
| 04/23/1985 | US4513223 Electron tube with transverse cyclotron interaction |
| 04/02/1985 | US4508992 Microwave amplifier tube having two ring resonators |
| 03/19/1985 | US4506190 Linear beam tube with reflected electron trap |
| 03/06/1985 | EP0133771A2 Cathode driven crossed-field amplifier |
| 01/29/1985 | US4496876 Frequency-spreading coupler |
| 01/15/1985 | US4494039 Gyrotron traveling-wave device including quarter wavelength anti-reflective dielectric layer to enhance microwave absorption |
| 01/03/1985 | WO1985000074A1 Grid structure for certain plural mode electron guns |
| 01/02/1985 | CA1180446A Twt slow-wave structure assembled from three ladder- like slabs |
| 01/01/1985 | US4491765 Quasioptical gyroklystron |
| 11/27/1984 | CA1178710A1 Mode suppression means for gyrotron cavities |
| 11/21/1984 | EP0125530A2 High-gain klystrode |
| 11/14/1984 | EP0125167A1 High-power amplifying klystron for feeding a variable load |
| 11/13/1984 | US4482843 Gyrotron device |
| 11/07/1984 | EP0124396A1 Electron beam injection device for a microwave generator |
| 11/07/1984 | EP0124395A1 Electron gun for microwave generators |
| 10/30/1984 | US4480234 Gyrotron backward wave oscillator device |
| 10/30/1984 | US4480210 Gridded electron power tube |
| 10/24/1984 | EP0122834A1 Microwave propagation-mode transformer |
| 10/17/1984 | EP0122186A1 Microwave generator |
| 09/26/1984 | EP0119902A1 Microwave cavity resonator, especially for electromagnetic energy generators |
| 09/25/1984 | CA1175144A1 Collector-output for hollow beam electron tubes |
| 09/11/1984 | CA1174358A1 Active dielectric waveguide amplifier or oscillator using a high density charged particle beam |
| 08/21/1984 | CA1173120A1 Extended interaction microwave oscillator |
| 08/14/1984 | US4465953 Rippled-field magnetron apparatus |
| 07/03/1984 | CA1170365A1 Gyrotron with improved stability |
| 06/26/1984 | US4456851 Electron tube having a low impedance reduced stress anode structure |
| 06/26/1984 | CA1169966A1 Ladder supported ring bar circuit |
| 06/26/1984 | CA1169965A1 Gyrotron transverse energy equalizer |
| 06/05/1984 | US4453108 Device for generating RF energy from electromagnetic radiation of another form such as light |
| 05/29/1984 | CA1168361A1 Microwave delay line incorporating a conductor with a variable cross-section for a travelling-wave tube |
| 05/15/1984 | CA1167568A1 In-band resonant loss in twt's |
| 05/08/1984 | CA1167161A1 Gyrotron cavity resonator with an improved value of q |
| 05/08/1984 | CA1167120A1 High power gyrotron (osc) or gyrotron type amplifier using light weight focusing for millimeter wave tubes |
| 04/24/1984 | US4445071 Circular beam deflection in gyrocons |
| 04/24/1984 | US4445070 Electron gun for producing spiral electron beams and gyrotron devices including same |
| 03/27/1984 | US4439746 Extended interaction microwave oscillator including a sucession of vanes with orifices |
| 03/20/1984 | CA1164091A1 Traveling wave tube with frequency variable sever length |
| 02/21/1984 | US4433228 Microwave plasma source |
| 02/14/1984 | US4431944 Delay line having coupled cavities for a traveling-wave tube and a traveling-wave tube equipped with said line |
| 12/20/1983 | US4422045 Barnetron microwave amplifiers and oscillators |
| 12/20/1983 | US4422012 Ladder supported ring bar circuit |
| 12/13/1983 | US4420710 Co-axial magnetrons |
| 11/22/1983 | US4417175 Ion sputter textured graphite electrode plates |
| 11/08/1983 | US4414486 Coupled cavity type traveling wave tube |
| 11/02/1983 | EP0092790A1 Klystron unit |
| 11/01/1983 | US4413208 High gain crossed field amplifier tube and radio transmission system equipped with such a tube |
| 11/01/1983 | US4413207 Multicavity klystron |
| 10/25/1983 | US4412150 Maser |
| 10/18/1983 | US4410833 Solid state magnetron |
| 10/04/1983 | CA1154867A1 Helix traveling wave tubes with reduced gain variation |
| 08/30/1983 | US4401918 Klystron having electrostatic quadrupole focusing arrangement |
| 08/09/1983 | US4398121 Mode suppression means for gyrotron cavities |
| 07/26/1983 | US4395656 Gyrotron transmitting tube |
| 07/26/1983 | US4395655 High power gyrotron (OSC) or gyrotron type amplifier using light weight focusing for millimeter wave tubes |
| 07/12/1983 | US4393332 Gyrotron transverse energy equalizer |
| 07/05/1983 | US4392079 Method of adjusting phase shift in amplification multicavity klystron and device therefor |
| 07/05/1983 | US4392078 Electron discharge device with a spatially periodic focused beam |
| 06/29/1983 | EP0082769A1 Frequency multiplier |
| 06/21/1983 | US4389593 Active dielectric waveguide amplifier or oscillator using a high density charged particle beam |
| 06/14/1983 | US4388555 Gyrotron with improved stability |
| 04/26/1983 | US4381475 Variable coupling resistance delay line for crossed field tube |
| 03/29/1983 | US4378512 Helix type traveling wave tube |
| 03/22/1983 | US4377770 Microwave delay line incorporating a conductor with a variable cross-section for a travelling-wave tube |
| 03/16/1983 | EP0074173A1 Improvements in or relating to magnetrons |
| 03/15/1983 | US4376908 Impedance tapered dematron |
| 02/22/1983 | CA1141859A1 High power electron beam gyro device |
| 02/01/1983 | US4371852 Variable pitch delay line for travelling-wave tube and travelling-wave tube equipped with such a line |
| 01/25/1983 | US4370621 High efficiency gyrotron oscillator and amplifier |
| 01/12/1983 | EP0069426A2 Microwave amplifier tube with two ring resonators |
| 01/11/1983 | CA1139444A1 Traveling wave tube with non-reciprocal attenuating adjunct |
| 12/07/1982 | US4362968 Slow-wave wideband cyclotron amplifier |
| 11/30/1982 | CA1136764A1 Trirotron: triode rotating beam radio-frequency amplifier |
| 11/09/1982 | US4358704 Helix traveling wave tubes with reduced gain variation |