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CHENGDU LEPS TECH CO LTD

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    86,811
  • Filing trend
    ⇩ 62.0%
About

CHENGDU LEPS TECH CO LTD has a total of 19 patent applications. It decreased the IP activity by 62.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry, organic fine chemistry and civil engineering are VNII KREPLENIYU SKVAZHIN BUROV, WITTEK MICHAEL and J D RIEDEL E DE HAEN A G.

Patent filings in countries

World map showing CHENGDU LEPS TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 19

Patent filings per year

Chart showing CHENGDU LEPS TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ren Shan 19
#2 Zhang Shaobin 19
#3 Tang Chaojun 15
#4 Wang Mengying 15
#5 Kou Jiang 12
#6 Lu Cong 12
#7 Guo Jianchun 12
#8 Hou Xiangqian 10
#9 Kang Yi 8
#10 Wang Jiyu 6

Latest patents

Publication Filing date Title
CN111929170A Device and method for evaluating pressure bearing performance of temporary plugging material for fracture acidizing
CN111394085A High-content water-based resistance reducing agent and preparation method thereof
CN111410949A Integrated viscosity-changing, salt-resistant and resistance-reducing agent and preparation method thereof
CN111592869A Water-based resistance reducing agent and preparation method thereof
CN110003879A A kind of fracturing fluid liquid nano disrupting agent and preparation method thereof
CN109097015A A kind of sterilization and anticorrosion auxiliary agent, preparation method and application
CN108715757A A kind of preparation method of acidproof thickening agent and its application in multifunctional acid and acid-resistant pressing crack liquid
CN108676553A Fiber fracturing liquid and make fiber with proppant the evenly dispersed method coupled in fracturing fluid
CN108102636A It is a kind of can integrated composite emulsion type clean fracturing fluid of mixture and preparation method thereof online
CN108070364A A kind of water-base drilling fluid potent shale control agent aqua, pulvis and preparation method thereof and inhibitor
CN108179007A A kind of water-base drilling fluid double type shale control agent aqua, pulvis and preparation method thereof and inhibitor
CN108179008A A kind of cross linker system, low concentration polymer crosslinked fracturing fluid and preparation method thereof
CN107880868A A kind of pressure break control water nanoemulsions and preparation method thereof
CN107629774A A kind of temporarily stifled diversion agent and preparation method thereof
CN107760294A A kind of pulvis suspension and its preparation method and application
CN107469723A A kind of accurate formula liquid dispensing device and fracturing fluid liquid mixing system
CN106753311A A kind of Instant viscous friction reducer high and its preparation method and application
CN106753313A A kind of fiber slippery water fracturing fluid
CN106753312A A kind of preparation method of fiber slippery water fracturing fluid