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NAT ENGINEERING RES CT FOR GAS CONTROLLING OF PINGAN MINE

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    232,001
About

NAT ENGINEERING RES CT FOR GAS CONTROLLING OF PINGAN MINE has a total of 12 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets measurement are CHROMASONICS INC, ETHERWHERE CORP and ADVANCED NAVIGATION & POSITION.

Patent filings in countries

World map showing NAT ENGINEERING RES CT FOR GAS CONTROLLING OF PINGAN MINEs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing NAT ENGINEERING RES CT FOR GAS CONTROLLING OF PINGAN MINEs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement

Focus technologies

# Technology
#1 Radio navigation

Top inventors

# Name Total Patents
#1 Yuan Liang 7
#2 Liu Guanxue 6
#3 Zhang Ming 5
#4 Wu Zhijian 5
#5 Liang Yuan 4
#6 Gui Tong 4
#7 Wang Xianjun 4
#8 Jinlong Chen 4
#9 Shili Zheng 4
#10 Yong Wang 4

Latest patents

Publication Filing date Title
CN104502913A Method and device for measuring the distance between coal uncovering roadway and coal seam
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CN102467754A Construction method of coal mine geological three-dimensional model and system thereof