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CHENG ZHENGWEN

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    121,273
About

CHENG ZHENGWEN has a total of 14 patent applications. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, control and environmental technology are XIE WENJUAN, KYC MACHINE IND CO LTD and UFIM NII VAKTSIN SYVOROTOK IM.

Patent filings in countries

World map showing CHENG ZHENGWENs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing CHENG ZHENGWENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cheng Zhengwen 14

Latest patents

Publication Filing date Title
CN106538489A Forest pest control device
CN106614441A Forestry three-dimensional disease and pest control system
CN106064158A Traffic lights cleaning device
CN106097746A There is the cleaning device of alarm function
CN106111566A Can the traffic lights cleaning device of automatic water-supply
CN105964570A Wiping device for traffic lights
CN105964571A Device for cleaning traffic lights
CN106111567A There is the traffic lights cleaning device of filter element
CN106130456A A kind of solar panel radiation direction automatic following system
CN106064159A The automatic cleaning apparatus of traffic lights
CN106040622A Traffic light cleaning device based on pressure water supply
CN106054937A Solar cell panel light elevation angle automatic following system
CN106076898A Cleaning device
CN105976626A Indication-replaceable traffic light cleaning device