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Qingdao huadian high voltage electric co ltd

Overview
  • Total Patents
    30
  • GoodIP Patent Rank
    222,397
About

Qingdao huadian high voltage electric co ltd has a total of 30 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 electrical machinery and energy and measurement are TIANJIN BINDE XINLI ELECTRONIC TECH CO LTD, QINGCHANG ZHONG and NOVUM ENG GMBH.

Patent filings in countries

World map showing Qingdao huadian high voltage electric co ltds patent filings in countries
# Country Total Patents
#1 China 30

Patent filings per year

Chart showing Qingdao huadian high voltage electric co ltds patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Qu Jian 30
#2 Zhang Lei 29
#3 Zhang Ligang 28
#4 Wu Gang 25
#5 Zhou Zhongwu 3
#6 Tang Zhiguo 2
#7 Liu Xiaobing 2
#8 Zhang Tao 2
#9 Liu Wei 2
#10 Li Chengrong 2

Latest patents

Publication Filing date Title
CN108445368A The production method of plug-in transition joint defect model and model
CN108462396A The controllable high-voltage DC power supply of 35kV oscillatory wave systems
CN103746455A Power distribution network overvoltage suppression and fault positioning isolation control device
CN103605062A Partial discharge signal trigger phase synchronous clock source
CN103605061A Handheld ultrahigh-frequency partial discharge type inspection instrument and discharge position positioning method
CN102972637A Mildew-inhibiting composition
CN102981379A Cleaning agent composition for photoresist
CN102993955A Non-arene anticorrosion process for metal structures
CN103110883A Traditional Chinese medicine composition for treating inflammation
CN102993952A Aromatic hydrocarbon-free corrosion prevention process for metal structure
CN102993954A Metal surface aromatic hydrocarbon-free corrosion prevention technology
CN102973918A Traditional Chinese medicine for treating nephritis
CN102993953A Non-arene anticorrosion process for metal surfaces
CN102977776A Aromatic-free corrosion prevention technology for metal surface
CN102977781A Aromatic hydrocarbon-free anti-corrosion technology of metal structure
CN102993956A Aromatic hydrocarbon-free corrosion prevention technology for metal structure
CN102977777A Aromatic-free corrosion prevention process for metal surface
CN102993962A Metal surface aromatic hydrocarbon-free corrosion prevention process
CN102973714A Traditional Chinese medicine composition for treating lumbar muscle strain and preparation method thereof
CN102973713A Traditional Chinese medicine preparation for treating anemia