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PETRO CHINA COMPANY LTD

Overview
  • Total Patents
    14
About

PETRO CHINA COMPANY LTD has a total of 14 patent applications. Its first patent ever was published in 2001. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are ZHUKOV VLADIMIR G, SHANGHAI RECORD PHARMACEUTICAL and HUBEI BENXING CHEMICAL CO LTD.

Patent filings in countries

World map showing PETRO CHINA COMPANY LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing PETRO CHINA COMPANY LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Peng Dong 1
#2 Juanyun Wang 1
#3 Yarong Fu 1
#4 Xuelong Liu 1
#5 Baojun Zhang 1
#6 Tong Shanshan 1
#7 Xu Tie 1
#8 Sihan Wang 1
#9 Xinxin Chen 1
#10 Fanxun Kong 1

Latest patents

Publication Filing date Title
CN103061709A Sliding bush control tool and hydraulic-control sliding bush capable of achieving surpassing operation
CN103061503A Ring beam formwork
CN103063422A Sand control screen sand-blocking precision detecting device and detecting method
CN103061707A Cycling switch valve under well
CN101503552A Maleimide heat resisting flame retardant resin composition with improved glossiness and preparation thereof
CN101100615A Low-temperature demulsifying agent and preparation method thereof
CN101029565A Method for logging open-hole direction sound wave
CN101191082A Non-noble metal catalyst lubricating oil hydroisomerization dewaxing method
CN101168129A Catalyst for olefin ammoxidation producing unsaturated nitriles
CN101134160A Reaction device for producing low carbon olefin hydrocarbon through catalytic cracking
CN101131074A Hanger of minor-diameter pipe subsurface agent and gas pouring device
CN101108350A Hydrocarbons steam conversion catalyst and method of manufacturing the same
CN101074392A Production method of propene and high-quality gasoline and diesel oil by two-stage catalyzed crack
CN1312457A Inorganic heat conducting heat-pipe air preheater