SUNDSTRAND CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 1867
 
 
 
H02K DYNAMO-ELECTRIC MACHINES 1685
 
 
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 1342
 
 
 
F02N STARTING OF COMBUSTION ENGINES 925
 
 
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 871
 
 
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 759
 
 
 
F23R GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS 723
 
 
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 7102
 
 
 
F16H GEARING692
 
 
 
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 696

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6483220 Precision-wound rotor for a dynamoelectric machineJun 22, 95Nov 19, 02[H02K]
6359412 Commutation apparatus and method for a four state sensorless switched reluctance machine system utilizing machine winding current sensingApr 09, 96Mar 19, 02[H02P]
6211633 Synchronous sampling circuit for a sensorless switching reluctance machine systemJul 10, 96Apr 03, 01[H02D]
6196361 Compact electric asymmetry brakeFeb 16, 96Mar 06, 01[B60L]
6198613 Method and apparatus for distributing alternating electrical current to motors via a direct current busDec 23, 98Mar 06, 01[H02H]
6189313 Aircraft engine fuel system mounting assemblyApr 16, 99Feb 20, 01[F02C]
6145308 Air turbine with power controller having operation independent of temperatureDec 22, 98Nov 14, 00[F16D]
6142418 Multi-path secondary power system for an aircraftMay 12, 98Nov 07, 00[B64D]
6084786 Converter system with power factor and DC ripple controlJan 29, 99Jul 04, 00[H02M]
6035629 System for controlling acceleration of a load coupled to a gas turbine engineAug 08, 97Mar 14, 00[F02C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6465928 Multi-pole generator rotor and method of making the sameExpiredDec 23, 98Oct 15, 02[H02K]
6321187 System reliability assessment toolExpiredDec 22, 98Nov 20, 01[G06F, G06G]
6290620 Continuously variable transmission with control arrangement and method for reducing impact of shock loadExpiredJun 25, 99Sep 18, 01[F16H]
6291878 Package for multiple high power electrical componentsExpiredApr 22, 93Sep 18, 01[H01L]
6246141 High torque reduced starting current electric motorExpiredApr 23, 99Jun 12, 01[H02K]
6236184 Variable speed cooling fan controlExpiredDec 23, 98May 22, 01[H02P]
6213195 Modular coolant manifold for use with power electronics devices having integrated coolersExpiredDec 23, 98Apr 10, 01[F28F]
6179739 Continuously variable transmission with control arrangement and method for preventing transmission belt slippageExpiredDec 30, 98Jan 30, 01[F16H]
6181112 Apparatus and method for limiting generator peak voltageExpiredDec 10, 98Jan 30, 01[H02P]
6174254 Continuously variable transmission with control arrangement and for reducing transmission belt slippageExpiredDec 30, 98Jan 16, 01[F16H]
6152215 High intensity coolerExpiredDec 23, 98Nov 28, 00[F28D, F28F]
6151567 Data communication analysis and simulation toolExpiredMay 27, 94Nov 21, 00[G06F]
6141219 Modular power electronics die having integrated cooling apparatusExpiredDec 23, 98Oct 31, 00[H05K]
6126138 Pressure reducing valve and continuously variable transmission with control arrangement using sameExpiredDec 30, 98Oct 03, 00[F16K, B60K, F16H]
6118362 Integrated inductive assemblyExpiredJan 24, 97Sep 12, 00[H01F]
6084764 Capacitor disconnecting assemblyExpiredDec 21, 98Jul 04, 00[H01G]
6064121 Axially compact generator set and refrigeration system employing the sameExpiredFeb 27, 98May 16, 00[H02P, H02K]
6059537 Aircraft fuel pump with centrifugal pump and regenerative pump stagesExpiredNov 13, 97May 09, 00[F04B]
6036508 Connector for interconnecting a bus bar to a circuit boardExpiredDec 21, 98Mar 14, 00[H01R]
6022197 Aircraft pump system with internal pressure control, comprising a regenerative pump and a centrifugal pumpExpiredNov 14, 97Feb 08, 00[F04B]

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