Myunghwa Ind. Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 359
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 3104
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 245
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS272
 
  
 
F01P COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES 139
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 186

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0271,283 METHOD FOR MANUFACTURING STATOR FOR ELECTRIC WATER PUMPMay 28, 14Sep 18, 14[F04D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8961154 Electric water pumpJul 30, 10Feb 24, 15[F04B, F04D]
8839503 Method for manufacturing stator for electric water pumpSep 08, 10Sep 23, 14[H02K, F04D]
8816560 Canned motor for reducing cogging torqueJul 11, 12Aug 26, 14[H02K]
8807964 Variable oil pumpApr 24, 12Aug 19, 14[F04C]
8747082 Electric water pumpJul 30, 10Jun 10, 14[F04B]
8562314 Electric water pumpJul 30, 10Oct 22, 13[F04B]
8304939 Electric water pump with molded circuit board and hall sensorSep 07, 10Nov 06, 12[H02K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0163,199 DEVICE FOR CONTROLLING A MOTORAbandonedJul 22, 16Jun 08, 17[H02P, F01P]
8932035 Electric water pumpWithdrawnJul 30, 10Jan 13, 15[F04B, F04D]
8647081 Electric water pumpWithdrawnJul 30, 10Feb 11, 14[F04B]
2013/0108,490 ELECTRIC WATER PUMP WITH A CANNED MOTORAbandonedJun 28, 12May 02, 13[F04D]
2012/0260,884 OIL SUPPLY APPARATUS FOR ENGINE PROVIDED WITH TWO-STAGE RELIEF VALVEAbandonedApr 24, 12Oct 18, 12[F01M]
2011/0116,921 WATER PUMP PROVIDED WITH A BEARINGAbandonedSep 03, 10May 19, 11[F03B]
2011/0116,953 Electric Water PumpAbandonedJul 30, 10May 19, 11[F04B]

Top Inventors for This Owner

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