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DFEM ELECTRIC CONTROL EQUIPMENT CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    157,040
About

DFEM ELECTRIC CONTROL EQUIPMENT CO LTD has a total of 13 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, engines, pumps and turbines and electrical machinery and energy are COLLARD LOUIS JEAN, FUKAI KIYOTATSU and LIN HSIEN-MING.

Patent filings in countries

World map showing DFEM ELECTRIC CONTROL EQUIPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing DFEM ELECTRIC CONTROL EQUIPMENT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jia Xiaoping 6
#2 Li Yujun 3
#3 Wang Jinrong 3
#4 Wang Liping 3
#5 Wang Zhili 3
#6 Wang Dawei 3
#7 Cao Weifu 3
#8 Wang Jian 2
#9 Wang Lijuan 2
#10 Peng Rui 2

Latest patents

Publication Filing date Title
CN109347262A A kind of anti-siphon method of Generator Stator Cooling water system
CN109139350A A kind of overspeed protection and volume control device for hydroenergy storage station
CN109236803A It is a kind of for the hydraulic system with function of redundancy protection
CN109458292A A kind of governor power down self-sustaining self closing method
CN109120105A A kind of Generator Stator Cooling water system anti-siphon means
CN109236553A A kind of overspeed protection and flow control methods for hydroenergy storage station
CN107288811A The pipe multimachine hydroelectric generating system speed regulating control loop fed back using pressure regulation Well Water Level and method
CN105119543A Control method and system for far-end line load shedding of generator set speed regulation system
CN105119544A Magnetic blow-out switch protective device
CN105099308A Generator excitation device
CN105162338A Phase conversion overvoltage absorption device of thyristor rectification bridge and thyristor rectification circuit
CN103850998A Pressure stop device with opening and closing controlled by electromagnetic valve
CN103850869A Air braking system