BECKWITH ELECTRIC CO., INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 397
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 299
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 275
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 183

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8558519 Apparatus and method for reverse power regulation with measured source side voltageAug 19, 09Oct 15, 13[G05F]
7468593 Digital system for motor bus transferNov 14, 06Dec 23, 08[G05B]
5592393 Method and system for providing protective relay functionsMar 16, 95Jan 07, 97[H02H]
5581173 Microcontroller-based tap changer controller employing half-wave digitization of A.C. signalsNov 09, 93Dec 03, 96[G05F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2004/0179,485 Method of transmitting and receiving two-way serial digital signals in a wireless network utilizing a simplified baseband processorAbandonedMar 12, 03Sep 16, 04[H04B]
5117175 Remote bias voltage setting LTC control systemExpiredOct 16, 90May 26, 92[G05F]
4769587 Power factor control with overvoltage and undervoltage override control in a capacitor control system for a distribution systemExpiredMar 09, 87Sep 06, 88[G05F]
4323838 RMS Controlled load tap changing transformerExpiredFeb 09, 81Apr 06, 82[H02J]
4310771 Method for transferring power in a synchronous mode to a motor busExpiredMay 10, 79Jan 12, 82[H02J]
4256972 Power transfer relay circuitry and method of phase measurementExpiredMay 10, 79Mar 17, 81[H02J]

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