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MUDANJIANG TIANQING PETROLEUM MACHINERY EQUIPMENT CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    139,732
About

MUDANJIANG TIANQING PETROLEUM MACHINERY EQUIPMENT CO LTD has a total of 12 patent applications. Its first patent ever was published in 2019. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, measurement and chemical engineering are RUFF PUP LTD, BLUE SPARK ENERGY INC and SLD ENHANCED RECOVERY INC.

Patent filings in countries

World map showing MUDANJIANG TIANQING PETROLEUM MACHINERY EQUIPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing MUDANJIANG TIANQING PETROLEUM MACHINERY EQUIPMENT CO LTDs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Jia Guangsheng 12
#2 Jia Guangcai 9
#3 Zheng Lihua 7
#4 Jia Jiguang 6
#5 Zhang Youxing 6
#6 Fu Zhengwei 6
#7 Zhao Ping 6
#8 Li Li 5
#9 Tang Jiansong 5
#10 Ren Yongqing 5

Latest patents

Publication Filing date Title
CN111255407A Test lubricator subassembly
CN111250457A Cleaning machine for underground test instrument
CN111021987A Three-way oil well multi-channel combination valve
CN110984915A Elastic paraffin scraping and sand washing type guide cone for oil field
CN110984914A Oil field sleeve paraffin scraping tool
CN111219167A Oil field prevents hindering hole enlargement paraffin scraper
CN110031199A Simulate downhole packer experimental rig
CN109854204A Repeatable docking salvaging type hollow bridging plug
CN109826625A The hybrid sampler of T-type
CN109826584A A kind of wellhead sealing gasket ring alarm
CN109763808A Single-well injection-production surface separation recirculation control device
CN109630058A A kind of blowout preventer alarm of good airproof performance