Danfoss Low Power Drives

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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 1052
 
  
 
1303 EQUIPMENT FOR DISTRIBUTION OR CONTROL OF ELECTRIC POWER368
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 285
 
  
 
E04H BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL 129
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS173
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 176
 
  
 
1501 ENGINES120

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0027,359 Filter LoadingJul 09, 13Jan 30, 14[E04H]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9556874 Method of controlling a pump and motorJun 09, 09Jan 31, 17[F04B, F04D]
8602743 Method of operating a safety vacuum release systemJan 13, 12Dec 10, 13[F04B, H02H]
8602745 Anti-entrapment and anti-dead head functionDec 11, 06Dec 10, 13[F04B]
8573952 Priming protectionAug 29, 11Nov 05, 13[F04B, G05D]
8564233 Safety system and method for pump and motorJun 09, 09Oct 22, 13[H02P]
8480373 Filter loadingDec 07, 06Jul 09, 13[F04B]
8436559 System and method for motor drive control pad and drive terminalsJun 09, 09May 07, 13[H02P]
8313306 Method of operating a safety vacuum release systemOct 02, 09Nov 20, 12[F04B]
8043070 Speed controlDec 11, 06Oct 25, 11[F04B]
8019479 Control algorithm of variable speed pumping systemNov 23, 05Sep 13, 11[F04B, G05D]

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Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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