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CCDC PETROLEUM CORING TECHNOLOGY CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    157,931
About

CCDC PETROLEUM CORING TECHNOLOGY CO LTD has a total of 12 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets civil engineering are SBS TECH AS, LINDSEY COMPLETION SYSTEMS INC and KLAMATH FALLS INC.

Patent filings in countries

World map showing CCDC PETROLEUM CORING TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing CCDC PETROLEUM CORING TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Earth drilling

Top inventors

# Name Total Patents
#1 Li Weicheng 12
#2 Hu Pan 11
#3 Liu Bin 10
#4 He Chao 10
#5 Chen Li 7
#6 Yao Jianlin 7
#7 Chen Xiaobin 7
#8 Feng Ming 4
#9 Huang Wei 4
#10 Fu Xiaoping 3

Latest patents

Publication Filing date Title
CN105134080A Particle drilling method
CN104963631A Double-injection pump continuous injection device applicable to particle well drilling
CN105041214A Double-injection-pump continuous injection method suitable for particle drilling
CN104975809A Environment-protection circulating system suitable for well drilling
CN104405320A Gas storing and core taking tool
CN104453760A Pressure-maintaining coring tool
CN104499948A Double-cutting impregnated diamond segment
CN104399992A Manufacturing method of double-cutting diamond impregnated insert
CN104314497A Rock core sealing device for hydraulic pressurized type coring tool
CN104165034A Releasing device applied to hydraulic pressurization type coring tool
CN104153734A Hydraulic pressure type coring tool
CN102913163A Pressure bearing device suitable for pressurized coring tool