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BEIJING DINGHAN TECHNOLOGY CO LTD

Overview
  • Total Patents
    26
  • GoodIP Patent Rank
    221,527
About

BEIJING DINGHAN TECHNOLOGY CO LTD has a total of 26 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are KOBELCO SYSTEMS CORP, SUZHOU KANGHUA PURIFYING SYSTEM ENG CO LTD and LAI DONGFENG.

Patent filings in countries

World map showing BEIJING DINGHAN TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 26

Patent filings per year

Chart showing BEIJING DINGHAN TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Yan Liu 4
#2 Liu Daibing 4
#3 Zhiguo Ma 3
#4 Yifeng Tang 3
#5 Jianwei Fu 3
#6 Xueye Wei 3
#7 Liu Yan 3
#8 Guozhen Gao 3
#9 Ning Jianxin 2
#10 Tang Yifeng 2

Latest patents

Publication Filing date Title
CN104883042A Method and device for processing output voltage ripple of charger
CN104901404A Charging circuit and output control method
CN103618438A Input harmonic wave cancellation method and device for three-phase double-bus power factor correction circuit
CN103580277A Cold-standby switching system for remotely-controlled parallel power supply panels
CN103580278A Automatic control system and method of signal power supply panel
CN102736542A Touch control based signal power source monitoring device
CN102789434A Data buffering method and system
CN102739026A Short circuit retraction control protection method and system for direct current module based on digital signal processing
CN102723699A Method and device for protection of direct-current power module
CN102705253A Device and method for controlling heat radiation of switch power supply module
CN102707179A Fault detection device for inverter
CN102710134A Modular power supply device with reverse prevention function and reverse-prevention control circuit
CN102723932A Interlocking circuit and interlocking system comprising same
CN102570794A Peak current control device and method for switching power supply
CN102518352A Platform door control system and platform door control method
CN102444336A Door lock of safety door
CN102493721A Shielding door locking device
CN102495292A Method and circuit for online monitoring capacity state of bus capacitor
CN102130494A Failure guiding safety principle-based contactor automatic switching control method
CN102130495A Method for realizing alternating current bypass direct supply based on contactor with normally open and normally closed main contacts