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Jinzhou qinghua machinery co ltd

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    185,581
  • Filing trend
    ⇩ 75.0%
About

Jinzhou qinghua machinery co ltd has a total of 11 patent applications. It decreased the IP activity by 75.0%. Its first patent ever was published in 2010. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering are TECHNICAL DRILLING TOOLS, MAGNUSSEN TERJE and EVOLUTION PETROLEUM CORP.

Patent filings in countries

World map showing Jinzhou qinghua machinery co ltds patent filings in countries
# Country Total Patents
#1 China 10
#2 WIPO (World Intellectual Property Organization) 1

Patent filings per year

Chart showing Jinzhou qinghua machinery 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 Zhang Kaifeng 10
#2 Zhang Lan 10
#3 Zhang Xinyue 9
#4 Zhang Zhongguo 2
#5 Liu Baozhen 2
#6 Shi Yi 2
#7 Li Fangyuan 2
#8 Zhai Jiazi 1
#9 Xu Zhiyong 1
#10 Li Feng 1

Latest patents

Publication Filing date Title
CN110748313A Wireless self-orienting hydraulic integrated windowing sidetrack drilling tool
CN110748314A Wireless self-orienting hydraulic slope guiding device
CN108843264A The multi-functional milling cone of line cutting type
CN107630670A Automatic shut-in well integrated window-opening side-drilling tool
CN107143297A Self orientation integrated window-opening side-drilling tool
CN106930712A Integrated window-opening side-drilling tool
CN106703694A Hydraulic solid wedge deflection tool
CN103195362A Integrated window sidetrack drilling tool
CN102364029A Integrated window-opening side-drilling tool
CN102041967A Recoverable track type deflection guider