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CHINA COAL TECHNOLOGY ENG GROUP CHONGQING RES INST

Overview
  • Total Patents
    746
  • GoodIP Patent Rank
    2,229
  • Filing trend
    ⇧ 68.0%
About

CHINA COAL TECHNOLOGY ENG GROUP CHONGQING RES INST has a total of 746 patent applications. It increased the IP activity by 68.0%. Its first patent ever was published in 2011. It filed its patents most often in China and Australia. Its main competitors in its focus markets civil engineering, measurement and computer technology are XINJIANG GUO LI HENG CLEAN ENERGY TECH CO LTD, ZHEJIANG GUANGLI TECH DEV CO and MARITIME WELL SERVICE AS.

Patent filings in countries

World map showing CHINA COAL TECHNOLOGY ENG GROUP CHONGQING RES INSTs patent filings in countries
# Country Total Patents
#1 China 745
#2 Australia 1

Patent filings per year

Chart showing CHINA COAL TECHNOLOGY ENG GROUP CHONGQING RES INSTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhao Xusheng 140
#2 Wen Guangcai 77
#3 Wang Qingfeng 62
#4 Sun Haitao 61
#5 Zhang Qinghua 60
#6 Li Dewen 56
#7 Long Qingming 56
#8 Zou Yunlong 55
#9 Liu Yanbao 55
#10 Chen Hang 49

Latest patents

Publication Filing date Title
CN112208671A Portable coal mine underground rescue intrinsic safety detection robot
CN112255953A Queue type multi-master RS485 bus communication system and method
CN112282732A Method for measuring occurrence of coal bed gas by using while-drilling gas parameters
CN112282733A Method for determining coal bed gas abnormity by gas emission quantity characteristic while drilling
CN112288589A Method for measuring gas flow field of goaf by utilizing goaf closed wall extraction data
CN112253018A Spacing bolt and applied drilling rod manipulator of this spacing bolt
CN112253017A Floatable drill rod connecting device
CN112253109A Dust separation and fall device of coal mining machine
CN112253083A Automatic positioning device and method for drilling
CN112145093A Series control automatic loading and unloading drill rod capable of rotating forward and backward
CN112253210A Umbrella-shaped air curtain air supply and dust control device for fully mechanized excavation working surface of coal mine
CN112231260A Preemptive multi-master RS485 bus communication method based on dynamic priority
CN112260943A Multi-communication protocol mutual-conversion gateway
CN112261731A LoRa gateway downlink frame scheduling method based on dynamic priority
CN112228328A Hot standby switching method for double extraction pumps
CN112284965A Coal roadway driving face drilling flow simulation experiment device and method
AU2020102687A4 Safety Protection Method for the Ultra-high Pressure Hydraulic Slotting Device
CN112014286A Respiratory dust concentration sensor
CN112031850A Dust falling guide moving device for hydraulic support side guard plate of fully mechanized coal mining face
CN112229741A Method and system for measuring coal sample crushing energy based on image analysis