Assignee
AMERICAN SUPERCONDUCTOR CORP
US218 patents
Top patents by PatentIndex Score
US6066906AMay 23, 2000
Rotating machine having superconducting windings
AMERICAN SUPERCONDUCTOR CORP107 citations98
US6537689B2Mar 25, 2003
Multi-layer superconductor having buffer layer with oriented termination plane
AMERICAN SUPERCONDUCTOR CORP117 citations97
US6489701B1Dec 3, 2002
Superconducting rotating machines
AMERICAN SUPERCONDUCTOR CORP120 citations97
US6022832AFeb 8, 2000
Low vacuum vapor process for producing superconductor articles with epitaxial layers
AMERICAN SUPERCONDUCTOR CORP90 citations97
US5734565AMar 31, 1998
Reducing switching losses in series connected bridge inverters and amplifiers
AMERICAN SUPERCONDUCTOR CORP218 citations97
US6828919B1Dec 7, 2004
Exciter assembly telemetry
AMERICAN SUPERCONDUCTOR CORP43 citations96
US6673387B1Jan 6, 2004
Control of oxide layer reaction rates
AMERICAN SUPERCONDUCTOR CORP57 citations96
US6436317B1Aug 20, 2002
Oxide bronze compositions and textured articles manufactured in accordance therewith
AMERICAN SUPERCONDUCTOR CORP68 citations96
US6420842B1Jul 16, 2002
Exciter and electronic regulator for rotating machinery
AMERICAN SUPERCONDUCTOR CORP57 citations96
US6173577B1Jan 16, 2001
Methods and apparatus for cooling systems for cryogenic power conversion electronics
AMERICAN SUPERCONDUCTOR CORP70 citations96
US6140719AOct 31, 2000
High temperature superconducting rotor for a synchronous machine
AMERICAN SUPERCONDUCTOR CORP63 citations96
US6027564AFeb 22, 2000
Low vacuum vapor process for producing epitaxial layers
AMERICAN SUPERCONDUCTOR CORP75 citations96
US5965959AOct 12, 1999
Superconducting magnets and power supplies for superconducting devices
AMERICAN SUPERCONDUCTOR CORP46 citations96
US5777420AJul 7, 1998
Superconducting synchronous motor construction
AMERICAN SUPERCONDUCTOR CORP90 citations96
US6987331B2Jan 17, 2006
Voltage recovery device for use with a utility power network
AMERICAN SUPERCONDUCTOR CORP83 citations95
US6974501B1Dec 13, 2005
Multi-layer articles and methods of making same
AMERICAN SUPERCONDUCTOR CORP63 citations95
US6828507B1Dec 7, 2004
Enhanced high temperature coated superconductors joined at a cap layer
AMERICAN SUPERCONDUCTOR CORP68 citations95
US6797313B2Sep 28, 2004
Superconductor methods and reactors
AMERICAN SUPERCONDUCTOR CORP69 citations95
US6765151B2Jul 20, 2004
Enhanced high temperature coated superconductors
AMERICAN SUPERCONDUCTOR CORP55 citations95
US6597082B1Jul 22, 2003
HTS superconducting rotating machine
AMERICAN SUPERCONDUCTOR CORP74 citations95
US6562761B1May 13, 2003
Coated conductor thick film precursor
AMERICAN SUPERCONDUCTOR CORP63 citations95
US6376943B1Apr 23, 2002
Superconductor rotor cooling system
AMERICAN SUPERCONDUCTOR CORP56 citations95
US5848532ADec 15, 1998
Cooling system for superconducting magnet
AMERICAN SUPERCONDUCTOR CORP70 citations95
US5801124ASep 1, 1998
Laminated superconducting ceramic composite conductors
AMERICAN SUPERCONDUCTOR CORP83 citations95
US5581220ADec 3, 1996
Variable profile superconducting magnetic coil
AMERICAN SUPERCONDUCTOR CORP57 citations95
US5482919AJan 9, 1996
Superconducting rotor
AMERICAN SUPERCONDUCTOR CORP91 citations95
US6458223B1Oct 1, 2002
Alloy materials
AMERICAN SUPERCONDUCTOR CORP62 citations94
US5987342ANov 16, 1999
Laminated superconducting ceramic tape
AMERICAN SUPERCONDUCTOR CORP44 citations94
US5953224ASep 14, 1999
Control circuit for cryogenically-cooled power electronics employed in power conversion systems
AMERICAN SUPERCONDUCTOR CORP63 citations94
US5801937ASep 1, 1998
Uninterruptible power supplies having cooled components
AMERICAN SUPERCONDUCTOR CORP70 citations94
US5798678AAug 25, 1998
Superconducting wind-and-react-coils and methods of manufacture
AMERICAN SUPERCONDUCTOR CORP55 citations94
US5625548AApr 29, 1997
Control circuit for cryogenically-cooled power electronics employed in power conversion systems
AMERICAN SUPERCONDUCTOR CORP54 citations94
US5531015AJul 2, 1996
Method of making superconducting wind-and-react coils
AMERICAN SUPERCONDUCTOR CORP41 citations94
US7989983B2Aug 2, 2011
Power conversion systems
AMERICAN SUPERCONDUCTOR CORP19 citations92
US7589441B2Sep 15, 2009
Circumferentially wound cooling tube structure for cooling a stator
AMERICAN SUPERCONDUCTOR CORP30 citations92
US7453041B2Nov 18, 2008
Method and apparatus for cooling a superconducting cable
AMERICAN SUPERCONDUCTOR CORP26 citations92
US7453174B1Nov 18, 2008
Superconducting electric motor
AMERICAN SUPERCONDUCTOR CORP44 citations92
US7304826B2Dec 4, 2007
Fault management of high temperture superconductor cable
AMERICAN SUPERCONDUCTOR CORP23 citations92
US7211919B2May 1, 2007
Thermally-conductive stator support structure
AMERICAN SUPERCONDUCTOR CORP20 citations92
US7119644B2Oct 10, 2006
Mounting structure for superconducting windings
AMERICAN SUPERCONDUCTOR CORP24 citations92
US7091703B2Aug 15, 2006
Dynamic reactive compensation system and method
AMERICAN SUPERCONDUCTOR CORP81 citations92
US6977827B2Dec 20, 2005
Power system having a phase locked loop with a notch filter
AMERICAN SUPERCONDUCTOR CORP35 citations92
US6893732B1May 17, 2005
Multi-layer articles and methods of making same
AMERICAN SUPERCONDUCTOR CORP29 citations92
US6879081B1Apr 12, 2005
Stator coil assembly for superconducting rotating machines
AMERICAN SUPERCONDUCTOR CORP27 citations92
US6812601B2Nov 2, 2004
Superconductor rotor cooling system
AMERICAN SUPERCONDUCTOR CORP18 citations92
US6745059B2Jun 1, 2004
Superconductor cables and magnetic devices
AMERICAN SUPERCONDUCTOR CORP26 citations92
US6700804B1Mar 2, 2004
Integrated multi-level inverter assembly
AMERICAN SUPERCONDUCTOR CORP29 citations92
US6669774B1Dec 30, 2003
Methods and compositions for making a multi-layer article
AMERICAN SUPERCONDUCTOR CORP41 citations92
US6649280B1Nov 18, 2003
Cryogen protected superconducting ceramic tape
AMERICAN SUPERCONDUCTOR CORP16 citations92
US6625992B2Sep 30, 2003
Cooling system for HTS machines
AMERICAN SUPERCONDUCTOR CORP19 citations92
Showing the top 50 of 218 patents by PatentIndex Score.