SPHERAL SOLAR POWER, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 12350
 
  
 
B07B SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL 219
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 134
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8309840 Solar panel overlay and solar panel overlay assemblyJul 27, 05Nov 13, 12[H01L]
7312097 Method of fabricating an optical concentrator for a photovoltaic solar cellMay 23, 05Dec 25, 07[H01L]
6897085 Method of fabricating an optical concentrator for a photovoltaic solar cellJan 21, 03May 24, 05[H01L]
5926727 Phosphorous doping a semiconductor particleDec 11, 95Jul 20, 99[H01L]
5763320 Boron doping a semiconductor particleDec 11, 95Jun 09, 98[H01L]
5556791 Method of making optically fused semiconductor powder for solar cellsJan 03, 95Sep 17, 96[H01L]
5498576 Method and apparatus for affixing spheres to a foil matrixJul 22, 94Mar 12, 96[H01L]
5486494 Method and apparatus for affixing spheres to a conductive sheetJul 22, 94Jan 23, 96[H01L]
5431127 Process for producing semiconductor spheresOct 14, 94Jul 11, 95[H01L]
5419782 Array of solar cells having an optically self-aligning, output-increasing, ambient-protecting coatingMay 11, 93May 30, 95[H01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0289,688 Photovoltaic Apparatus Including Spherical Semiconducting ParticlesAbandonedJan 25, 08Nov 27, 08[H01L]
2006/0185,715 Photovoltaic apparatus including spherical semiconducting particlesAbandonedJul 25, 03Aug 24, 06[H01L]
5614020 Apparatus for making optically fused semiconductor powder for solar cellsExpiredApr 08, 96Mar 25, 97[H01L, C30B]
5468304 Output-increasing, protective cover for a solar cellExpiredMar 14, 94Nov 21, 95[H01L]
5466301 Solar cell having an output-increasing, protective coverExpiredJun 29, 94Nov 14, 95[H01L]
5462639 Method of treating particlesExpiredJan 12, 94Oct 31, 95[B01D]
5208001 Method for silicon purificationExpiredJun 20, 91May 04, 93[C01B]
5192400 Method of isolating shorted silicon spheresExpiredJul 31, 89Mar 09, 93[C25D]
5091319 Method of affixing silicon spheres to a foil matrixExpiredJul 31, 89Feb 25, 92[H01L]
5086003 Method for applying an organic insulator to a solar arrayExpiredJul 31, 89Feb 04, 92[H01L]
5081069 Method for depositing a Tio.sub.2 layer using a periodic and simultaneous tilting and rotating platform motionExpiredDec 26, 89Jan 14, 92[H01L]
5069740 Production of semiconductor grade silicon spheres from metallurgical grade silicon particlesExpiredApr 21, 88Dec 03, 91[C30B]
5028546 Method for manufacture of solar cell with foil contact pointExpiredJul 31, 89Jul 02, 91[H01L]
5012619 Method and apparatus for forming spheresExpiredDec 21, 89May 07, 91[B24B]
4994878 Array interconnect system and method of making sameExpiredOct 08, 86Feb 19, 91[H01L]
4992138 Method and apparatus for constructing a foil matrix for a solar cellExpiredJul 31, 89Feb 12, 91[C03C, C23F, B44C]
4957601 Method of forming an array of apertures in an aluminum foilExpiredMay 08, 89Sep 18, 90[B44C]
4917752 Method of forming contacts on semiconductor membersExpiredSep 11, 86Apr 17, 90[H01L]
4872607 Method of bonding semiconductor material to an aluminum foilExpiredSep 26, 88Oct 10, 89[H01L]
4806495 Method of making solar array with aluminum foil matrixExpiredJun 15, 88Feb 21, 89[H01L]

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