ACTIVE POWER, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B25J MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES 157
 
  
 
F01K STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES 127
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183
 
  
 
H01B CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING, OR DIELECTRIC PROPERTIES 173
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 1106

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9627923 Apparatus and methods for backfeed detection in and control of uninterruptible power systemsJul 19, 13Apr 18, 17[H02J]
7681395 Systems and methods for providing backup energy to a loadAug 24, 06Mar 23, 10[F01K]
6642682 Circuits and methods for preheating a rotor of a motor-generator deviceFeb 21, 02Nov 04, 03[G05D]
5980193 Magnetically levitated robot and method of increasing levitation forceSep 18, 96Nov 09, 99[B25J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0366,684 INSULATION SYSTEM FOR PREVENTION OF CORONA DISCHARGEAbandonedSep 01, 14Dec 18, 14[H02K, H01B]
2011/0215,645 CONTAINERIZED CONTINUOUS POWER SYSTEM AND METHODAbandonedNov 05, 10Sep 08, 11[H02J]
2007/0139,883 Systems and methods for providing resources such as cooling and secondary power to electronics in a data centerAbandonedDec 15, 05Jun 21, 07[F28F]
2007/0022,754 Thermal storage unit and methods for using the same to head a fluidAbandonedAug 03, 05Feb 01, 07[F01K]
2006/0059,936 Systems and methods for providing cooling in compressed air storage power supply systemsAbandonedSep 17, 04Mar 23, 06[F25B, F02C, F25D, F02G]
2006/0059,937 Systems and methods for providing cooling in compressed air storage power supply systemsAbandonedSep 17, 04Mar 23, 06[F25B, F25D]
2006/0060,425 Air/oil mist lubrication system and method of useAbandonedSep 17, 04Mar 23, 06[F16N]
2005/0279,292 Methods and systems for heating thermal storage unitsAbandonedSep 17, 04Dec 22, 05[F22B]
2005/0126,172 Thermal storage unit and methods for using the same to heat a fluidAbandonedSep 17, 04Jun 16, 05[F01K]
6777823 Integrated continuous power system assemblies having multiple nozzle block segmentsExpiredMay 21, 01Aug 17, 04[H02K, F02N, F02C, F01D]
6118202 High-efficiency inductor-alternatorExpiredMay 11, 98Sep 12, 00[H02K]
6087753 High-efficiency inductor-alternatorExpiredMar 17, 99Jul 11, 00[H02K]
5874797 Permanent magnet generator providing alternating current which has a selected frequencyExpiredSep 08, 97Feb 23, 99[H02K]

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