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DONGYING TAI ER PETROLEUM TECHNOLOGY CO LTD

Overview
  • Total Patents
    11
About

DONGYING TAI ER PETROLEUM TECHNOLOGY CO LTD has a total of 11 patent applications. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry and materials and metallurgy are VAN ZANTEN RYAN, CNPC SICHUAN PETROLEUM GEOPHYSICAL PROSPECTING COMPANY ENGINEERING TECHNOLOGY RES INST and KB TECHNOLOGIES LTD.

Patent filings in countries

World map showing DONGYING TAI ER PETROLEUM TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing DONGYING TAI ER PETROLEUM TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Guan Fang 11
#2 Sui Yuehua 11
#3 Lu Kanghua 3
#4 Liu Zhenna 3
#5 Zhang Xiaojun 3
#6 Liu Quanjiang 3
#7 Liu Mimi 3
#8 Cao Xiaohu 3
#9 Liu Xiaokun 3
#10 Sui Yongquan 3

Latest patents

Publication Filing date Title
CN103740348A Leaking stoppage reinforcing agent
CN103740351A Low-density consolidation type plugging agent
CN103740346A Plugging flexibilizer
CN103773339A High-density consolidation-type leaking stoppage agent
CN103740339A Plugging filler
CN103740341A Leaking stoppage pressure-bearing agent
CN103740349A Anti-high temperature consolidation type plugging agent
CN103773340A High-strength consolidation lost circulation additive
CN103740340A Expansion and solidification type plugging agent
CN103773334A Leaking stoppage reinforcing agent
CN103773335A Plugging agent capable of being solidified through acidification