BEIJING SIFANG AUTOMATION CO., LTD

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F03D WIND MOTORS139
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183
 
  
 
G06G ANALOGUE COMPUTERS 152
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 193
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 186
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0341,471 METHOD FOR MAKING 32-BIT ADDRESSING OF SV DATA BY UTILIZING FPGAOct 28, 13Nov 26, 15[H04L]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9871893 Method for making 32-bit addressing of SV data by utilizing FPGAOct 28, 13Jan 16, 18[H04L]
9748676 Electrical connectorNov 05, 14Aug 29, 17[H01R]
9679726 Anti-interference switch signal transmission circuitAug 23, 13Jun 13, 17[H01H]
9178386 State-matrix-independent dynamic process estimation method in real-time for weakly observable measurement nodes without PMUDec 09, 09Nov 03, 15[H02J, G01R]
8504338 Method for measuring shafting mechanical fatigue of turbine generator setNov 28, 08Aug 06, 13[G06G]
8150556 Method of coordinated operation for turbine-generator shafts torsional vibration protectionApr 30, 08Apr 03, 12[H02P, G05D, F03D]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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