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XINAN PETROLEUM COLLEGE

Overview
  • Total Patents
    25
About

XINAN PETROLEUM COLLEGE has a total of 25 patent applications. Its first patent ever was published in 1989. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry and materials and metallurgy are SP PROIZV GEOL OB TAMPONAZHNYM, CATALYST PARTNERS INC and CHANGQING GUJING COMPANY OF CNPC CHUANQING DRILLING ENG CO LTD.

Patent filings in countries

World map showing XINAN PETROLEUM COLLEGEs patent filings in countries
# Country Total Patents
#1 China 25

Patent filings per year

Chart showing XINAN PETROLEUM COLLEGEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Du Jian 3
#2 Han Lijuan 2
#3 Zhang Minghong 2
#4 Luo Pingya 2
#5 Chen Hong 2
#6 Yang Zhi 2
#7 Zhou Jieling 1
#8 Benkui Zhang 1
#9 Liang Zheng 1
#10 Liu Bin 1

Latest patents

Publication Filing date Title
CN1861654A Water soluble amphoteric ion copolymer and preparation process thereof
CN1817430A Surface activator with double-ether bisbensulfosalt and double molecule
CN1858146A Anti-pollution high efficiency isolation liquid and preparing method
CN1760261A Nano composite water absorbing material, and preparation method
CN1676873A High temperature high pressure oil well cement paste coagulation instrument and its coagulation time measuring method
CN1644870A Stabilizer of gas drill horizontal well
CN1623682A Intelligent multilayer barrel type net vibrating screen
CN1563666A Ball plug jetting support device for oil extraction, liquor drainage and gas production
CN1528503A Cationic-type oligo-surface active agent and preparing method thereof
CN1528853A Cation dual surface active agent capable of using displacement agent
CN1513575A Vertical eyclone filtering dust collector
CN1343830A Electromagnetic petroleum recovering equipment and its application in petroleum recovery
CN1304806A Elliptical vibration sieve with inertical translation
CN1305866A Process for rapidly preparing inertial gas in-situ
CN1302797A Non-ionic hydrophobic monomer and its preparing process
CN1283785A Method for measuring vibration trace
CN1283735A Rotational drilling method able to control vibration of drill rod
CN1243822A Process for preparing monomer of cathionic polymer
CN1243824A Process for preparing monomer of sodium allylsulfonate
CN1181543A Safety tech. for computer