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ZHANG KEQIN

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    94,879
  • Filing trend
    ⇩ 80.0%
About

ZHANG KEQIN has a total of 20 patent applications. It decreased the IP activity by 80.0%. Its first patent ever was published in 1985. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, civil engineering and materials and metallurgy are LAFARGE FONDU INT, SHANGHAI MCC ENV ENG TECH CO LTD and SUZHOU DINGYU ENERGY-EFFICIENT EQUIPMENT CO LTD.

Patent filings in countries

World map showing ZHANG KEQINs patent filings in countries
# Country Total Patents
#1 China 20

Patent filings per year

Chart showing ZHANG KEQINs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Keqin 19
#2 Zhang Kejie 1
#3 Zhang Yun 1
#4 Keqin Zhang 1

Latest patents

Publication Filing date Title
CN108328846A A kind of magnetic separating apparatus
CN108358374A Magnetic separating device in a kind of water
CN108383318A A kind of magnetic separating device
CN107858944A A kind of preparation method of high ferro noise reduction abatvoix
CN107793115A A kind of production method of fiber cement board
CN107814509A A kind of high ferro noise reduction sound panel
CN107724267A A kind of sound-absorbing barrier
CN107858945A A kind of noise barrier
CN107721253A A kind of preparation method of high ferro noise reduction sound panel
CN107815982A A kind of high ferro noise reduction abatvoix
CN107805338A A kind of sound insulating sheet material
CN107805038A A kind of fiber cement board
CN107827400A A kind of fibre cement corrugated tile
CN107725851A Fuel gas pressure regulator
CN107631070A Fuel gas pressure regulator with filter
CN107606222A Theft-proof gas ball valve
CN107606260A Fuel gas pipeline Safety relief valve
CN107855722A Gas pipeline fixing device
CN1286253A Dipolycatechin derivateves and preparing process thereof
CN1006259B Paste material for carbon membrane potentiometer