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CHINA NAT COAL GROUP CORP

Overview
  • Total Patents
    30
  • GoodIP Patent Rank
    194,538
  • Filing trend
    ⇩ 100.0%
About

CHINA NAT COAL GROUP CORP has a total of 30 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, civil engineering and measurement are NUCLEAR FUEL IND LTD, DENRIYOKU CHUO KENKYUSHO and NIPPON NUCLEAR FUEL DEV.

Patent filings in countries

World map showing CHINA NAT COAL GROUP CORPs patent filings in countries
# Country Total Patents
#1 China 30

Patent filings per year

Chart showing CHINA NAT COAL GROUP CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Zhang 12
#2 Zhang Yang 6
#3 Lu Jun 5
#4 Guan Zenglun 5
#5 Yang Lieke 4
#6 Zou Chunyu 4
#7 Zheng Zhongyou 3
#8 Qi Hegang 3
#9 Wang Yunquan 3
#10 Gong Shoucai 2

Latest patents

Publication Filing date Title
CN110567879A Gas remote sensing device performance detection device
CN107882565A A kind of adopted without driving without coal column stays integral production practice
CN107725052A One kind, which is adopted, stays integration exploitation gob side entry top plate constant-resistance anchor body beam method for protecting support
CN107191187A A kind of gob side entry retaining cuts top pressure relief method
CN104454009A Gas forecasting and early-warning system and method based on sensing network
CN103612914A Conveying device and cooling system for high-temperature powdered semi-coke
CN103396811A High temperature powder semi-coke cooling system
CN103087733A Cooling system of powder semicoke
CN103087734A Powder semicoke cooling system and heat acquiring cooler thereof
CN102996333A Wind energy conversion mechanism and upper-air wind power generation device
CN102979671A Wind power conversion mechanism and high altitude wind power generator
CN102979672A Wind power conversion mechanism and high altitude wind power generator
CN102979670A Wind power conversion mechanism and high altitude wind power generator
CN102874760A Potassium superoxide air regenerating device for emergent risk avoiding under coal mines
CN102874761A Potassium superoxide medical plate for underground emergency refuge air regeneration device in coal mine and method
CN102644558A Skeleton-type helical wind energy blade and wind energy power generating device
CN103184885A Safe air regeneration device for coal mine underground emergency shelter
CN102022270A Floating wind energy reception apparatus
CN102011691A Floating type wind energy receiving device
CN102011690A Floating type device for receiving wind energy