DRS POWER TECHNOLOGY, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 6101
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 362
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 384
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 260
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 2118
 
  
 
B21K MAKING FORGED OR PRESSED PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS, WHEELS 122
 
  
 
B63H MARINE PROPULSION OR STEERING 139
 
  
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 158
 
  
 
F03B MACHINES OR ENGINES FOR LIQUIDS 123
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS173

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9742249 Method for partially cured insulators for electromagnetic systemsApr 20, 15Aug 22, 17[H02K]
9009949 Method for partially cured insulators for electromagnetic systemsOct 31, 12Apr 21, 15[H02K]
8541909 System having a variable frequency power distribution bus for driving a variable speed motorJun 27, 11Sep 24, 13[H02J, H02P]
8487496 Pole retention configuration for electric machine rotorsMar 21, 11Jul 16, 13[H02K]
7984548 Method for modifying a compressor stator vaneOct 31, 07Jul 26, 11[B21K, F04D]
7969044 System having a variable frequency power distribution bus for driving a variable speed motorJan 15, 09Jun 28, 11[H02J, H02P]
7911104 Pole retention configuration for electric machine rotorsMar 10, 09Mar 22, 11[H02K]
7651319 Compressor stator vaneApr 18, 05Jan 26, 10[F01D]
6984108 Compressor stator vaneFeb 24, 03Jan 10, 06[F01D]
6715294 Combined open cycle system for thermal energy conversionJan 23, 02Apr 06, 04[F02C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0110,552 COMPRESSOR STATOR VANE REPAIR WITH PINAbandonedOct 31, 07Apr 30, 09[F01D]

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