Patents
Patents for H01J 45 - Discharge tubes functioning as thermionic generators (250)
10/1999
10/26/1999US5973259 Method and apparatus for photoelectric generation of electricity
09/1999
09/23/1999WO1999047980A1 Method for manufacturing low work function surfaces
08/1999
08/24/1999US5942834 Thermionic electric converters
08/24/1999US5942719 Alkali metal thermal to electric conversion (AMTEC) cells
07/1999
07/27/1999US5929371 Heat shields for alkali metal thermal to electric conversion (AMTEC) cells
07/27/1999US5928436 Means for controlling thermal properties of AMTEC cells
06/1999
06/02/1999DE19752650A1 Converting thermal energy directly into electrical energy
04/1999
04/29/1999WO1999020810A1 Low work-function electrode
03/1999
03/18/1999WO1999013562A1 Diode device
03/04/1999WO1999010974A1 Vacuum thermionic converter with thin film carbonaceous field emission
03/04/1999WO1999010695A1 Vacuum diode heat pump with thin film ablated diamond field emission
03/04/1999WO1999010688A1 Method and apparatus for improved vacuum diode heat pump
11/1998
11/19/1998WO1998052233A1 Method and apparatus for photoelectric generation of electricity
07/1998
07/23/1998WO1998032155A1 Improved thermionic electric converters
07/14/1998US5780954 Thermionic electric converters
06/1998
06/25/1998WO1998026880A1 Method and apparatus for thermionic generator
04/1998
04/16/1998WO1998015965A1 Method and apparatus for vacuum diode-based devices with electride-coated electrodes
04/16/1998CA2287006A1 Method and apparatus for vacuum diode-based devices with electride-coated electrodes
03/1998
03/03/1998US5722242 Method and apparatus for improved vacuum diode heat pump
10/1997
10/14/1997US5675972 Method and apparatus for pumping heat
01/1997
01/23/1997WO1997002460A1 Method and apparatus for vacuum diode heat pump
11/1996
11/26/1996US5578886 Collector for thermionic energy converter covered with carbon like material and having a low electronic work function
08/1996
08/20/1996US5546743 Electron propulsion unit
07/1996
07/30/1996US5541464 Thermionic generator
02/1996
02/20/1996US5492570 Combination of an alkali metal thermal to electric converter and a thermionic energy converter mated by use of a common heat transfer device; adjusting heat output surface
10/1995
10/17/1995US5459367 Collector element for thermionic electric converters
04/1995
04/25/1995US5410166 P-N junction negative electron affinity cathode
04/18/1995US5408510 Thermionic nuclear reactor with flux shielded components
05/1994
05/18/1994EP0597012A1 Collector for thermionic energy converter
07/1993
07/20/1993US5228922 High voltage alkali metal thermal electric conversion device
02/1993
02/18/1993WO1993003494A1 Collector for thermionic energy converter
11/1991
11/14/1991WO1991017601A1 Energy converter
07/1991
07/24/1991CN1053321A Electrified air flow electric generator
07/02/1991US5028835 Thermionic energy production
03/1989
03/15/1989EP0306624A1 Stacked vapor fed amtec modules
02/1989
02/28/1989US4808240 Stacked vapor fed amtec modules
05/1987
05/19/1987US4667126 Thermionic converter
03/1985
03/19/1985US4506183 Tungsten-rhenium alloy, lithium working fluid, molybdenum or tungsten alloy
02/1983
02/08/1983US4373142 Thermionic energy converters
01/1983
01/11/1983US4368416 Thermionic-thermoelectric generator system and apparatus
04/1982
04/06/1982US4323808 Laser excited thermionic electric converter
12/1981
12/01/1981US4303845 Thermionic electric converter
11/1981
11/03/1981US4298768 Cesium vapor thermionic current generator
02/1981
02/17/1981CA1095964A1 Radiant energy to electrical power conversion system
10/1980
10/28/1980US4230963 Hydro-thermic energy converter
02/1980
02/12/1980US4188571 Radiant energy to electrical power conversion system
09/1979
09/25/1979US4168716 Solar-powered thermionic-photoelectric laser
04/1979
04/24/1979US4151438 Distributed electrical leads for thermionic converter
05/1977
05/24/1977US4025818 Wire ion plasma electron gun
09/1976
09/28/1976US3983423 Thermionic converter
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