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HENAN COAL SCIENCE RES INST CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    184,318
About

HENAN COAL SCIENCE RES INST CO LTD has a total of 22 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, measurement and machines are CHINA RAILWAY CONSTRUCTION BRIDGE ENG BUREAU GROUP 2ND ENG CO LTD, INST ROCK & SOIL MECH CAS and VNII GORNOJ GEOMEKHANIKI MARKS.

Patent filings in countries

World map showing HENAN COAL SCIENCE RES INST CO LTDs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing HENAN COAL SCIENCE RES INST CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fu Quanzhen 9
#2 Zhu Xuefeng 8
#3 Yan Weihe 8
#4 Zhang Tao 8
#5 Li Bo 6
#6 Zhan Dongyang 5
#7 Zhang Xiaorui 5
#8 Deng Bo 4
#9 Qi Erwei 3
#10 Wang Chunlin 3

Latest patents

Publication Filing date Title
CN105974085A Portable and intelligent rapid gas content tester
CN106197168A A kind of high-energy physics fracturing device
CN105840213A Concrete automatic feeding and jetting device and concrete automatic feeding and jetting method
CN105442849A Sprayer device for jetting concrete
CN105443142A Dust removal type concrete spraying machine
CN105201431A Coal-water separation system and separation method thereof
CN104265327A Long-distance wet type concrete spraying method
CN103657303A Spiral ring spray tank suction gas absorption apparatus
CN103884587A Tensile clamp of belt vulcanized joint and tensile tester of horizontal belt vulcanized joint
CN103674700A Pretension testing machine for kilometers long steel wire rope
CN103061787A Mining wet type concrete spraying device
CN102733823A Mining method for jetting concrete in wet type
CN102628730A Impact test device of pressure-releasing valve protection cover of mineral air supply
CN102689362A Concrete wet type injection system
CN102618371A Steel rope grease with high dropping point and preparation method of steel rope grease
CN102305742A Hydraulic horizontal steel wire rope bending fatigue testing machine and annular combined gasket
CN102162777A Mining chain pin horizontal-type radial load testing machine
CN102323144A Horizontal steel wire rope tensile testing machine
CN102323048A Horizontal tensile testing machine for mining loop chain
CN102323161A Mechanical horizontal steel wire rope bending fatigue testing machine and mechanical rotation driving device