AMERICAN SUPERCONDUCTOR CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01B CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING, OR DIELECTRIC PROPERTIES 2846
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 26336
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 2186
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 1668
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 892
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 795
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 681
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 563
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM4153
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 473

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9887025 High temperature superconductor wire bundling system and methodSep 30, 15Feb 06, 18[H01B]
9653196 Electricity transmission cooling systemApr 16, 15May 16, 17[H01L, H01B, H02G]
9646742 Electricity transmission cooling systemApr 16, 15May 09, 17[H01L, H01B, H02G]
9172312 Reducing photovoltaic array voltage during inverter re-enablementNov 25, 09Oct 27, 15[H01L, H02M, H02H]
9037202 Electricity transmission cooling systemSep 07, 12May 19, 15[H01L, H01B, H02G]
9012779 Reduced-loss bucking bundle low voltage cableMar 30, 12Apr 21, 15[H01B]
8886267 Fault current limiting HTS cable and method of configuring sameNov 22, 10Nov 11, 14[H01L, H01B, H02H]
8791052 Wide electrical conductor having high C-axis strengthMar 30, 12Jul 29, 14[H01L]
8731629 Interface device for a high temperature superconductor degaussing system junction boxMar 28, 08May 20, 14[H01L, B63G, H01F]
8680015 Mitigating the effects of defects in high temperature semiconductor wiresMar 08, 12Mar 25, 14[H01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8189324 Power electronic assembly with slotted heatsinkExpiredDec 07, 09May 29, 12[H05K]
2012/0120,537 CURRENT FAULT LIMITER WITH LIVE TANKAbandonedNov 15, 10May 17, 12[H02H]
8142881 Mesh-type stabilizer for filamentary coated superconductorsExpiredJul 27, 10Mar 27, 12[H01L]
2012/0033,468 POWER CONVERSION SYSTEMSAbandonedAug 02, 11Feb 09, 12[H02M]
2011/0241,757 THYRISTOR GATE PULSES IN STATIC VAR COMPENSATORAbandonedMar 30, 10Oct 06, 11[H03K]
2011/0177,954 SUPERCONDUCTING ELECTRICITY TRANSMISSION SYSTEMAbandonedJan 20, 11Jul 21, 11[H01L, H02M, H05K]
7940029 Static VAR correctorExpiredJul 02, 08May 10, 11[G05F]
2011/0075,453 DYNAMIC CONVERSION OF VARIABLE VOLTAGE DC TO ACAbandonedDec 01, 10Mar 31, 11[H02M]
2010/0277,136 GENERATOR WITH FERROMAGNETIC TEETHAbandonedSep 29, 09Nov 04, 10[H02P]
2010/0265,816 MONITORING SWITCHING NETWORKSAbandonedApr 17, 09Oct 21, 10[H04L]
2010/0216,646 METHOD OF PATTERNING OXIDE SUPERCONDUCTING FILMSAbandonedFeb 26, 10Aug 26, 10[H01L, B05D, H01B]
7763343 Mesh-type stabilizer for filamentary coated superconductorsExpiredMar 31, 06Jul 27, 10[H01L]
7724482 Parallel HTS transformer deviceExpiredMar 20, 07May 25, 10[H02H]
7674751 Fabrication of sealed high temperature superconductor wiresExpiredJul 21, 06Mar 09, 10[H01L, H01B]
2010/0048,406 OXIDE FILMS WITH NANODOT FLUX PINNING CENTERSAbandonedDec 30, 08Feb 25, 10[H01L]
2010/0019,776 METHOD FOR ANALYZING SUPERCONDUCTING WIREAbandonedJul 23, 08Jan 28, 10[H01B, G01R]
7619345 Stator coil assemblyExpiredJan 30, 06Nov 17, 09[H02K]
2009/0244,937 DC BUS VOLTAGE HARMONICS REDUCTIONAbandonedMar 28, 08Oct 01, 09[H02M]
2009/0241,558 COMPONENT COOLING SYSTEMAbandonedMar 31, 08Oct 01, 09[F25B]
2009/0229,291 Cooling System in a Rotating Reference FrameAbandonedMar 11, 08Sep 17, 09[H02K, F25D, F03D]

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