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CNPC USA CORP

Overview
  • Total Patents
    57
  • GoodIP Patent Rank
    32,805
  • Filing trend
    ⇧ 100.0%
About

CNPC USA CORP has a total of 57 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2012. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets civil engineering, basic materials chemistry and macromolecular chemistry and polymers are TCTM LTD, OIL PRODUCTION TECHNOLOGY RES INST OF JIANGHAN OILFIELD COMPANY SINOPEC and SPECTRUM TRACER SERVICES LLC.

Patent filings in countries

World map showing CNPC USA CORPs patent filings in countries

Patent filings per year

Chart showing CNPC USA CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Xiongwen 12
#2 Gregory Marvin Allen 11
#3 Yang Zhenzhou 9
#4 Liu Fuchen 8
#5 Liu Yu 8
#6 Yue Jianpeng 7
#7 Cheng Peng 7
#8 Cheng Chris 7
#9 Zhao Liang 6
#10 Cheng Xiaomin 6

Latest patents

Publication Filing date Title
US2020340303A1 Polycrystalline diamond cutter with improved geometry for cooling and cutting evacuation and efficiency and durability
US2021002962A1 Cutting element with non-planar cutting edges
US2021002961A1 Cutting element with reduced friction
US2020048993A1 Tool assembly with a fluidic agitator and a coating
US2020115990A1 Setting Adapter Assembly for Plug
US2021002973A1 Plug assembly
WO2020076358A1 Convex ridge type non-planar cutting tooth and diamond drill bit
US2020248064A1 Environmentally friendly hydrofracturing friction reducer for harsh conditions
US2020216750A1 Method for making nano- and micro-particles for use as a proppant and fluid-loss-control additive
US2020131433A1 Compositions of hydraulic fracturing fluid and method thereof
US2019040689A1 Convex ridge type non-planar cutting tooth and diamond drill bit
US2019071949A1 Collapsible support rings for a downhole system
US2019382642A1 Shale inhibitors used in the water-based fluid for shale formation
US2018142134A1 High density and high temperature emulsifier for use in an oil based drilling fluid system
US2019218443A1 Lubricant for water based mud (wbm) with high salt tolerance for high temperature and high pressure formation
US2019153798A1 Tool assembly with a fluidic agitator
US2019120016A1 Isolation valve assembly
US2018100582A1 Surface fluorinated elastomers for oilfield tools
US2018087345A1 Dissolvable composite slips and methods of manufacturing same
US2018087344A1 Multi-sectional swellable packer