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ZHUHAI WANLIDA ELECTRICAL AUTOMATION CO LTD

Overview
  • Total Patents
    28
  • GoodIP Patent Rank
    60,556
  • Filing trend
    ⇧ 66.0%
About

ZHUHAI WANLIDA ELECTRICAL AUTOMATION CO LTD has a total of 28 patent applications. It increased the IP activity by 66.0%. Its first patent ever was published in 2013. It filed its patents most often in China and United States. Its main competitors in its focus markets electrical machinery and energy, environmental technology and measurement are GUANGDONG EAST POWER CO LTD, KACO NEW ENERGY GMBH and HUBEI GRANDSOLAR NEW ENERGY TECH CO LTD.

Patent filings in countries

World map showing ZHUHAI WANLIDA ELECTRICAL AUTOMATION CO LTDs patent filings in countries
# Country Total Patents
#1 China 27
#2 United States 1

Patent filings per year

Chart showing ZHUHAI WANLIDA ELECTRICAL AUTOMATION CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhu Zhiwei 15
#2 Yao Peng 14
#3 Li Bo 10
#4 Chen Junling 10
#5 Fan Qiangjun 9
#6 He Qirui 9
#7 Shao Hai 9
#8 Lin Zichao 8
#9 Lin Lin 7
#10 Wang Haiyu 6

Latest patents

Publication Filing date Title
CN111953192A High-power inverter power supply and control method thereof
CN111884235A Control method of dynamic voltage restorer
CN111650514A Multi-parameter joint diagnosis method for typical faults of asynchronous motor
CN111579988A Self-adaptive fundamental wave elimination method
CN111404179A Multifunctional three-phase unbalance treatment device and method
CN110794253A Switch cabinet health state evaluation method and device
CN111064169A Self-fault early warning and adjacent interval redundancy control method of microcomputer protection device
CN110768223A Control method for weakening bus inrush current of railway purification power supply device
CN110611330A Hybrid multifunctional railway purifying power supply with expandable capacity and cooperative control method
CN110336473A A kind of railway Special low-voltage power supply and half-closed loop control method
CN110133391A The monitoring method and monitoring system of a kind of electric system platform area three-phase imbalance
CN109842136A A kind of three-phase imbalance commutation system and its phase change method
CN109687721A Three-phase 10kV turns single-phase 27.5kV maintenance electrical locomotive power device
CN109194178A A kind of high voltage power supply suitable for large capacity energy regenerating and railway power power supply
CN109167509A Take into account the railway run-through line power supply of traction voltage compensation with railway power power supply
CN109353250A Take into account the power conditioner of railway power power supply and haulage capacity recycling
CN108551265A Single-phase based on self coupling clamper structure zero turns Three-phase five-wire Railways Stations low-tension supply
CN107769586A A kind of single-phase three-phase inversion power supply
CN107070251A A kind of railway power line cleaner cooperative control system and method
CN106786657A For the Power Quality Comprehensive Treatment Device of power distribution network