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STEMCOR CORP
US31 patents
Top patents by PatentIndex Score
US4898367AFeb 6, 1990
Dispersing gas into molten metal
STEMCOR CORP156 citations99
US4739974AApr 26, 1988
Mobile holding furnace having metering pump
STEMCOR CORP122 citations96
US4868142ASep 19, 1989
Method of manufacturing a molten metal-resistant ceramic fiber composition
STEMCOR CORP56 citations94
US4981665AJan 1, 1991
Hexagonal silicon carbide platelets and preforms and methods for making and using same
STEMCOR CORP33 citations92
US4871108AOct 3, 1989
Silicon carbide-to-metal joint and method of making same
STEMCOR CORP42 citations92
US4756895AJul 12, 1988
Hexagonal silicon carbide platelets and preforms and methods for making and using same
STEMCOR CORP35 citations92
US4701427AOct 20, 1987
Sintered silicon carbide ceramic body of high electrical resistivity
STEMCOR CORP34 citations92
US4692418ASep 8, 1987
Sintered silicon carbide/carbon composite ceramic body having fine microstructure
STEMCOR CORP123 citations91
US5194407AMar 16, 1993
Molten metal-resistant ceramic fiber-containing composition
STEMCOR CORP42 citations90
US4964993AOct 23, 1990
Multiple-use molten metal filters
STEMCOR CORP28 citations89
US4822679AApr 18, 1989
Spray-applied ceramic fiber insulation
STEMCOR CORP33 citations88
US4795673AJan 3, 1989
Composite material of discontinuous silicon carbide particles and continuous silicon matrix and method of producing same
STEMCOR CORP28 citations88
US4690790ASep 1, 1987
Silicon nitride/silicon carbide composition and articles thereof
STEMCOR CORP26 citations87
US4764261AAug 16, 1988
Method of making improved photovoltaic heterojunction structures
STEMCOR CORP35 citations86
US4730239AMar 8, 1988
Double layer capacitors with polymeric electrolyte
STEMCOR CORP43 citations86
US4772335ASep 20, 1988
Photovoltaic device responsive to ultraviolet radiation
STEMCOR CORP36 citations81
US5202105AApr 13, 1993
Method for making hexagonal silicon carbide platelets with the addition of a growth additive
STEMCOR CORP18 citations73
US5002905AMar 26, 1991
Hexagonal silicon carbide platelets and preforms and methods for making and using same
STEMCOR CORP7 citations73
US4791077ADec 13, 1988
Near net shape fused cast refractories and process for their manufacture by rapid melting/controlled rapid cooling
STEMCOR CORP8 citations73
US4695294ASep 22, 1987
Vibratory grinding of silicon carbide
STEMCOR CORP10 citations73
US4910412AMar 20, 1990
Light biased photoresponsive array
STEMCOR CORP7 citations72
US4785191ANov 15, 1988
Interconnected array of photosensors for simultaneously sensing light intensities at each of a number of locations
STEMCOR CORP16 citations72
US4790986ADec 13, 1988
Method and apparatus to produce a hot fluidizing gas
STEMCOR CORP9 citations70
US4885890ADec 12, 1989
Modular furnace lining and hardware system therefor
STEMCOR CORP7 citations68
US4850171AJul 25, 1989
Modular furnace lining and hardware system therefor
STEMCOR CORP12 citations68
US4803822AFeb 14, 1989
Modular furnace lining and hardware system therefor
STEMCOR CORP13 citations68
US4749615AJun 7, 1988
Semiconductor dopant source
STEMCOR CORP9 citations68
US4740288AApr 26, 1988
Oxygen-sensing element
STEMCOR CORP4 citations62
US4798764AJan 17, 1989
Arsenate dopant sources and method of making the sources
STEMCOR CORP6 citations61
US4925609AMay 15, 1990
Oxygen-sensing element
STEMCOR CORP0 citations51
US4990765AFeb 5, 1991
Method and means for processing an analog signal from a diode array
STEMCOR CORP1 citations42