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SHAANXI YANCHANG PETROLEUM GROUP CO LTD

Overview
  • Total Patents
    195
  • GoodIP Patent Rank
    7,951
  • Filing trend
    ⇧ 38.0%
About

SHAANXI YANCHANG PETROLEUM GROUP CO LTD has a total of 195 patent applications. It increased the IP activity by 38.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, basic materials chemistry and chemical engineering are WUHAN KAIDI TECHNOLOGY R & D INST CO LTD, CHINA PETROLEUM & CHEM CORP and SHAANXI YANCHANG PETROLEUM (GROUP) CO LTD.

Patent filings in countries

World map showing SHAANXI YANCHANG PETROLEUM GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 195

Patent filings per year

Chart showing SHAANXI YANCHANG PETROLEUM GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Dongyuan 29
#2 Li Dapeng 26
#3 Huang Chuanfeng 26
#4 Hu Guangfa 25
#5 Sun Yubin 21
#6 Wang Yan 19
#7 Wang Ningbo 17
#8 Yang Tianhua 17
#9 Zhang Yujuan 17
#10 Huo Pengju 16

Latest patents

Publication Filing date Title
CN112282679A Method and device for generating water-based drilling waste residue curing treatment formula
CN112279468A Reinforced air floatation-multistage downward flow biological filter treatment system and method for sulfur-containing produced water
CN112049614A Oil extraction method for huff and puff of low-pressure fractured compact oil reservoir by integrally over-injecting carbon dioxide into different wells
CN112209913A Method for preparing adipic anhydride by catalyzing carbonylation of tetrahydrofuran
CN112058302A Preparation method and application of ZSM-5 molecular sieve catalyst
CN112195022A Foaming agent for carbon dioxide foam fracturing system and preparation method and application thereof
CN112280580A Method for increasing oil and improving quality of pulverized coal pyrolysis for fluidized bed
CN112048290A Acidic nano foaming agent for high-salinity formation water of low-permeability oil and gas field and preparation method and application thereof
CN112031734A Intelligent multi-stage partition fracturing reservoir carbon dioxide sequestration system
CN112049630A Ultra-low permeability reservoir pressure field simulation method
CN111997604A Method for identifying single-stage river channel boundary
CN111980646A Imbibition oil displacement effect evaluation device and use method
CN112069746A Fracturing string friction resistance testing method based on virtual parallel equal differential pressure method
CN112052591A Interlayer fine depicting and embedded modeling method under reservoir configuration constraint
CN112034528A Method for depicting single sand body configuration of clastic rock reservoir
CN111999224A Fracturing fluid dynamic sand suspension performance testing device and method
CN111704935A Low-rank coal hydrogenation-pyrolysis-gasification coupling integrated poly-generation process method
CN111982651A Rapid microwave digestion treatment method for solid-containing residual oil
CN111781663A Method and model for rapidly judging sandstone reservoir fluid properties
CN112206776A Composite metal oxide, raw material composition, preparation method and application thereof