Inventor · disambiguated record
Lewis M. Fraas
Also filed as: FRAAS LEWIS · FRAAS LEWIS M
62 granted patents·2 pending applications·3,672 citations·filing 1975–2018
99Inventor score
Top patents by PatentIndex Score
64 records- 0199US4255211AMultilayer photovoltaic solar cell with semiconductor layer at shorting junction interfaceCHEVRON RES·Filed 1979·Granted Mar 10, 1981·184 cites·8 claims
- 0298US6538193B1Thermophotovoltaic generator in high temperature industrial processJX CRYSTALS INC·Filed 2000·Granted Mar 25, 2003·91 cites·60 claims
- 0397US5118361ATerrestrial concentrator solar cell moduleBOEING CO·Filed 1990·Granted Jun 2, 1992·316 cites·36 claims
- 0496US7872192B1Planar solar concentrator power moduleJX CRYSTALS INC·Filed 2008·Granted Jan 18, 2011·82 cites·29 claims
- 0596US4332974AMultilayer photovoltaic cellCHEVRON RES·Filed 1980·Granted Jun 1, 1982·126 cites·10 claims
- 0695US7388146B2Planar solar concentrator power moduleJX CRYSTALS INC·Filed 2002·Granted Jun 17, 2008·148 cites·9 claims
- 0793US5389158ALow bandgap photovoltaic cell with inherent bypass diodeBOEING CO·Filed 1993·Granted Feb 14, 1995·144 cites·4 claims
- 0893US5217539AIII-V solar cells and doping processesBOEING CO·Filed 1991·Granted Jun 8, 1993·264 cites·62 claims
- 0992US6232545B1Linear circuit designs for solar photovoltaic concentrator and thermophotovoltaic applications using cell and substrate materials with matched coefficients of thermal expansionJX CRYSTALS INC·Filed 1999·Granted May 15, 2001·139 cites·29 claims
- 1092US5096505APanel for solar concentrators and tandem cell unitsBOEING CO·Filed 1990·Granted Mar 17, 1992·159 cites·37 claims
- 1191US6303853B1Shingle circuits for thermophotovoltaic systemsJX CRYSTALS INC·Filed 2000·Granted Oct 16, 2001·80 cites·25 claims
- 1291US5505789ALine-focus photovoltaic module using solid optical secondaries for improved radiation resistanceENTECH INC·Filed 1994·Granted Apr 9, 1996·110 cites·5 claims
- 1391US5439532ACylindrical electric power generator using low bandgap thermophotovolatic cells and a regenerative hydrocarbon gas burnerJX CRYSTALS INC·Filed 1994·Granted Aug 8, 1995·106 cites·9 claims
- 1491US5091018ATandem photovoltaic solar cell with III-V diffused junction booster cellBOEING CO·Filed 1990·Granted Feb 25, 1992·111 cites·49 claims
- 1590US10374119B1Heterojunction GaSb infrared photovoltaic cellJX CRYSTALS INC·Filed 2017·Granted Aug 6, 2019·6 cites·16 claims
- 1689US6489553B1TPV cylindrical generator for home cogenerationJX CRYSTALS INC·Filed 2001·Granted Dec 3, 2002·64 cites·17 claims
- 1789US6353175B1Two-terminal cell-interconnected-circuits using mechanically-stacked photovoltaic cells for line-focus concentrator arraysJX CRYSTALS INC·Filed 2000·Granted Mar 5, 2002·50 cites·30 claims
- 1889US4128733AMultijunction gallium aluminum arsenide-gallium arsenide-germanium solar cell and process for fabricating sameHUGHES AIRCRAFT CO·Filed 1977·Granted Dec 5, 1978·78 cites·8 claims
- 1988US8487180B1Pre-fabricated roof-mount sun-track PV carouselFRAAS LEWIS M·Filed 2008·Granted Jul 16, 2013·28 cites·19 claims
- 2087US4113531AProcess for fabricating polycrystalline inp-cds solar cellsHUGHES AIRCRAFT CO·Filed 1976·Granted Sep 12, 1978·49 cites·4 claims
- 2186US8581090B1Fuel fired ThermoPhotoVoltaic (TPV) cylindrical power supply and battery replacement with catalytic matched emitter or post IR emitter arrayFRAAS LEWIS M·Filed 2011·Granted Nov 12, 2013·10 cites·12 claims
- 2286US5344497ALine-focus photovoltaic module using stacked tandem-cellsFRAAS LEWIS M·Filed 1993·Granted Sep 6, 1994·79 cites·8 claims
- 2385US7994417B1Optimal cell selection for series connection in Cassegrain PV moduleJX CRYSTALS INC·Filed 2007·Granted Aug 9, 2011·8 cites·19 claims
- 2485US5123968ATandem photovoltaic solar cell with III-V diffused junction booster cellBOEING CO·Filed 1991·Granted Jun 23, 1992·76 cites·1 claims
- 2583US5865906AEnergy-band-matched infrared emitter for use with low bandgap thermophotovoltaic cellsJX CRYSTALS INC·Filed 1996·Granted Feb 2, 1999·68 cites·33 claims
- 2683US4451691AThree-terminal ternary III-V multicolor solar cells and process of fabricationCHEVRON RES·Filed 1982·Granted May 29, 1984·45 cites·8 claims
- 2782US4404421ATernary III-V multicolor solar cells and process of fabricationCHEVRON RES·Filed 1982·Granted Sep 13, 1983·43 cites·16 claims
- 2881US6218607B1Compact man-portable thermophotovoltaic battery chargerJX CRYSTALS INC·Filed 1998·Granted Apr 17, 2001·63 cites·43 claims
- 2981US4658086APhotovoltaic cell package assembly for mechanically stacked photovoltaic cellsCHEVRON RES·Filed 1985·Granted Apr 14, 1987·44 cites·11 claims
- 3081US4575577ATernary III-V multicolor solar cells containing a quaternary window layer and a quaternary transition layerCHEVRON RES·Filed 1983·Granted Mar 11, 1986·42 cites·20 claims
- 3180US6271461B1Antireflection coated refractory metal matched emitters for use in thermophotovoltaic generatorsJX CRYSTALS INC·Filed 2000·Granted Aug 7, 2001·41 cites·18 claims
- 3280US5651838AHydrocarbon fired room heater with thermophotovoltaic electric generatorJX CRYSTALS INC·Filed 1995·Granted Jul 29, 1997·61 cites·25 claims
- 3380US5403405ASpectral control for thermophotovoltaic generatorsJX CRYSTALS INC·Filed 1993·Granted Apr 4, 1995·56 cites·20 claims
- 3479US4171235AProcess for fabricating heterojunction structures utilizing a double chamber vacuum deposition systemHUGHES AIRCRAFT CO·Filed 1978·Granted Oct 16, 1979·33 cites·10 claims
- 3578US5942047AElectric power generator including a thermophotovoltaic cell assembly, a composite ceramic emitter and a flame detection systemJX CRYSTALS INC·Filed 1997·Granted Aug 24, 1999·41 cites·31 claims
- 3678US5383976ACompact DC/AC electric power generator using convective liquid cooled low bandgap thermophotovoltaic cell strings and regenerative hydrocarbon burnerJX CRYSTALS INC·Filed 1993·Granted Jan 24, 1995·56 cites·9 claims
- 3778US4032954ASilicon single crystal charge storage diodeHUGHES AIRCRAFT CO·Filed 1976·Granted Jun 28, 1977·29 cites·5 claims
- 3877US11277090B1Multi fuel thermophotovoltaic generator incorporating an omega recuperatorJX CRYSTALS INC·Filed 2018·Granted Mar 15, 2022·1 cites·15 claims
- 3977US5401329AThermophotovoltaic receiver assemblyJX CRYSTALS INC·Filed 1993·Granted Mar 28, 1995·50 cites·7 claims
- 4075US3976361ACharge storage diode with graded defect density photocapacitive layerHUGHES AIRCRAFT CO·Filed 1975·Granted Aug 24, 1976·38 cites·16 claims
- 4174US7196263B2TPV cylindrical generator for home cogeneration using low NOx radiant tube burnerJX CRYSTALS INC·Filed 2002·Granted Mar 27, 2007·17 cites·22 claims
- 4274US4146774APlanar reactive evaporation apparatus for the deposition of compound semiconducting filmsHUGHES AIRCRAFT CO·Filed 1977·Granted Mar 27, 1979·24 cites·2 claims
- 4373US5616186AThermophotovoltaic electric generator using low bandgap photovoltaic cells with a hydrocarbon burner and enhanced catalytic infrared emitterJX CRYSTALS INC·Filed 1995·Granted Apr 1, 1997·45 cites·27 claims
- 4473US5551992AThermophotovoltaic generator with low bandgap cells and hydrocarbon burnerJX CRYSTALS INC·Filed 1995·Granted Sep 3, 1996·43 cites·35 claims
- 4573US4776893AGaAs on GaSb mechanically stacked photovoltaic cells, package assembly, and modulesCHEVRON RES·Filed 1986·Granted Oct 11, 1988·29 cites·13 claims
- 4669US6284969B1Hydrocarbon fired thermophotovoltaic furnaceJX CRYSTALS INC·Filed 1998·Granted Sep 4, 2001·34 cites·28 claims
- 4769US5512109AGenerator with thermophotovoltaic cells and hydrocarbon burnerJX CRYSTALS INC·Filed 1995·Granted Apr 30, 1996·43 cites·16 claims
- 4866US4838201AApparatus and process for vacuum chemical epitaxyDAIDO OXYGEN·Filed 1986·Granted Jun 13, 1989·23 cites·11 claims
- 4966US4746371AMechanically stacked photovoltaic cells, package assembly, and modulesCHEVRON RES·Filed 1986·Granted May 24, 1988·22 cites·18 claims
- 5066US4063974APlanar reactive evaporation method for the deposition of compound semiconducting filmsHUGHES AIRCRAFT CO·Filed 1975·Granted Dec 20, 1977·19 cites·15 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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