MEMC ELECTRONIC MATERIALS SPA

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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 6356
 
  
 
B01D SEPARATION 5129
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF475
 
  
 
C30B SINGLE-CRYSTAL GROWTH 452
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2107
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 264
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 299
 
  
 
F28D HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 243
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 250
 
  
 
B03B SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS 18

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0298,259 DOPANT FEEDING DEVICE FOR DISPENSING DOPANTJun 07, 13Oct 13, 16[C30B]
2016/0017,513 GAS DOPING SYSTEMS FOR CONTROLLED DOPING OF A MELT OF SEMICONDUCTOR OR SOLAR-GRADE MATERIALMar 15, 13Jan 21, 16[C30B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9644902 Methods for reacting compoundsApr 05, 13May 09, 17[C01B, F28D, B01J, F28F]
9359691 Method of loading a charge of polysilicon into a crucibleNov 26, 12Jun 07, 16[C30B]
9222733 Reactor apparatus and methods for reacting compoundsJan 20, 12Dec 29, 15[C01B, F28D, B01J, F28F]
9115423 Methods and systems for monitoring and controlling silicon rod temperatureJul 06, 12Aug 25, 15[C23C, C01B, G01K, G01J, G05D]
9102035 Method for machining seed rods for use in a chemical vapor deposition polysilicon reactorMar 12, 12Aug 11, 15[B24B]
8906453 Tool for harvesting polycrystalline silicon-coated rods from a chemical vapor deposition reactorMar 13, 12Dec 09, 14[C23C, C01B, B05C, B03B, B29C, C30B]
8691055 Processes for the purification of trichlorosilane or silicon tetrachlorideSep 07, 12Apr 08, 14[C01B, B01D]
8282792 Process and system for the purification of trichlorosilane and silicon tetrachlorideJan 26, 11Oct 09, 12[C01B, B01D]
7879198 Processes for the purification of trichlorosilane and silicon tetrachlorideNov 14, 05Feb 01, 11[C01B, B01D]
7223344 Method for treating an exhausted glycol-based slurryMay 29, 01May 29, 07[B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0033,968 Controlled Doping Device For Single Crystal Semiconductor Material and Related MethodsAbandonedJul 31, 12Feb 06, 14[C30B, B21D]
2013/0327,506 METHOD FOR TRANSFERRING HEAT BETWEEN TWO PROCESS STREAMSAbandonedAug 09, 13Dec 12, 13[F28F]
2013/0206,163 Methods and Systems For Removing Contaminants From A Wire Of A SawAbandonedAug 14, 12Aug 15, 13[B08B]
2013/0174,828 Systems and Methods For Controlling Surface Profiles Of Wafers Sliced In A Wire SawAbandonedDec 07, 12Jul 11, 13[B28D]
2013/0139,800 Methods For Controlling Surface Profiles Of Wafers Sliced In A Wire SawAbandonedDec 02, 11Jun 06, 13[B28D]
2013/0139,801 Methods For Controlling Displacement Of Bearings In A Wire SawAbandonedDec 01, 11Jun 06, 13[B28D]
2013/0144,420 Systems For Controlling Surface Profiles Of Wafers Sliced In A Wire SawAbandonedDec 01, 11Jun 06, 13[B28D, G06F, G05D]
2013/0144,421 Systems For Controlling Temperature Of Bearings In A Wire SawAbandonedDec 01, 11Jun 06, 13[B28D, G06F, G05D]
2013/0014,738 Saw For Cutting Silicon Into Seed Rods For Use In A Chemical Vapor Deposition Polysilicon ReactorAbandonedJul 10, 12Jan 17, 13[B28D]
2013/0000,672 CLEANING TOOL FOR POLYSILICON REACTORAbandonedJun 27, 12Jan 03, 13[B08B]
2012/0322,175 Methods and Systems For Controlling SiIicon Rod TemperatureAbandonedJun 11, 12Dec 20, 12[C23C, H01L]
2012/0199,323 SHELL AND TUBE HEAT EXCHANGERS AND METHODS OF USING SUCH HEAT EXCHANGERSAbandonedJan 20, 12Aug 09, 12[F28D, F28F]
2011/0250,366 BELL JAR FOR SIEMENS REACTOR INCLUDING THERMAL RADIATION SHIELDAbandonedApr 11, 11Oct 13, 11[C23C, B23P, B05D]

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