ABB INDUSTRY OY

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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 1077
 
  
 
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 399
 
  
 
H03K PULSE TECHNIQUE 3128
 
  
 
H03B GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS 261
 
  
 
B66C CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES 130
 
  
 
F01M LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING 132
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204
 
  
 
H02G INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES 148
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 176
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6741059 Controller for a wound rotor slip ring induction machineJul 22, 02May 25, 04[H02P]
6448735 Controller for a wound rotor slip ring induction machineApr 26, 01Sep 10, 02[H02P]
6335607 Method of correcting flux midpoint in flux-controlled alternating current systemsSep 26, 00Jan 01, 02[H02P]
6316893 Method and arrangement for adaptive load change compensationMay 19, 99Nov 13, 01[H02P]
6313599 Method for controlling an inverterJan 17, 01Nov 06, 01[H02P]
6305464 Method for producing a cooling element, and a cooling elementApr 05, 00Oct 23, 01[H05K]
6265724 Galvanic isolation coupling of current loopAug 04, 00Jul 24, 01[G02B]
6252436 Method and arrangement for determining state information of power semiconductorAug 10, 99Jun 26, 01[H03K]
6229356 Stabilized gate driversMar 09, 00May 08, 01[H03B]
6195274 Method for defining instantaneous value of current of pulse-controlled inductive loadMay 30, 00Feb 27, 01[H02J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0203,144 Method for forming a duct and a ductAbandonedApr 16, 03Oct 30, 03[B32B]
2001/0041,237 Method for forming a duct and a ductAbandonedDec 08, 00Nov 15, 01[B32B]
6177738 Isolated electrical system including asynchronous machine with prime mover and inverter/rectifierExpiredMar 11, 99Jan 23, 01[H02J]
5894654 Method of forming a rotor structure for electrical machineExpiredJan 09, 97Apr 20, 99[H02K]
5827095 Mount structure for supporting an electric apparatus on a ground baseExpiredOct 08, 97Oct 27, 98[B63H]
5825152 Load-commutated synchronous motor driveExpiredMar 10, 97Oct 20, 98[H02K, H02J, H02P]
5599215 Propeller drive systemExpiredSep 20, 95Feb 04, 97[B60L]
5530385 Control circuit for a semiconductor switchExpiredAug 28, 95Jun 25, 96[H03K]
5477162 Method for determining the short-circuit inductance of an asynchronous machineExpiredAug 24, 94Dec 19, 95[G01R]
5016824 Method and apparatus for controlling the production of thermomechanical pulpExpiredJan 10, 90May 21, 91[B02C]

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