KRIWAN INDUSTRIE-ELEKTRONIK GMBH

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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 582
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 464
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 398
 
  
 
G01K MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR 244
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 275
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 2283
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
  
 
F16N LUBRICATING115
 
  
 
F24F AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING 144
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 158

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0058,733 METHOD FOR OPERATING AN OIL LEVEL REGULATORAug 24, 17Mar 01, 18[F16N, F25B]
2018/0046,146 METHOD AND EMBEDDED SYSTEM FOR MONITORING, CONTROLLING, OR REGULATING A MACHINEJul 10, 17Feb 15, 18[G05B]
2017/0098,932 MACHINE HAVING AT LEAST ONE MOTOR AND ONE MACHINE PROTECTION CIRCUITOct 05, 16Apr 06, 17[H02K, H02P, H02H]
2017/0054,811 INSTALLATION HAVING AT LEAST ONE INSTALLATION COMPONENT FOR MONITORING AND/OR ADJUSTING THE INSTALLATIONAug 18, 16Feb 23, 17[H04L, F25B, F24F]
2015/0338,284 MEASUREMENT CIRCUITMay 21, 15Nov 26, 15[H02K, G01K, H02P]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9863816 Measurement circuitMay 21, 15Jan 09, 18[H02K, G01K, H02P]
9746227 Method for controlling a compressor of a refrigeration system, and refrigeration systemAug 05, 13Aug 29, 17[F25B, H02H]
9746488 Wind sensorAug 01, 14Aug 29, 17[G01K, G01P]
9525366 Asynchronous motor and method for operating an asynchronous motorNov 18, 14Dec 20, 16[H02P]
7570002 Temperature tripping deviceMar 07, 08Aug 04, 09[G05B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0004,225 METHOD AND PROTECTION DEVICE FOR PROTECTING AN ELECTRIC MOTOR AND/OR AN OPERATING MACHINE WHICH IS COUPLED THERETO FROM INCORRECT CONTROL OPERATIONSAbandonedJun 23, 15Jan 07, 16[G05B]

Top Inventors for This Owner

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