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GAO JIUHUA

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    88,918
  • Filing trend
    ⇧ 200.0%
About

GAO JIUHUA has a total of 23 patent applications. It increased the IP activity by 200.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, optics and environmental technology are CHAI ZHAOXI, XIAN SHANGUANG ENERGY TECH CO LTD and CDX GAS.

Patent filings in countries

World map showing GAO JIUHUAs patent filings in countries
# Country Total Patents
#1 China 23

Patent filings per year

Chart showing GAO JIUHUAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gao Jiuhua 23
#2 Gao Jiayi 8
#3 Zhang Yuzhu 2

Latest patents

Publication Filing date Title
CN111119892A By-pass air return extra-large inclination angle medium-thickness coal seam caving coal mining system
CN110578523A Method and system for mining top coal of medium-thickness coal seam with extra-large dip angle
CN110578514A Directional construction track measuring and correcting device for rotary drill rod
CN110529090A One kind is impulsed pressure break coal petrography permeability improvement device and method with blasting fume shock wave
CN110529051A A kind of comprehensive slewing equipment of double leval jib lifting
CN110424924A Bag type paste blowout prevention hole sealing device
CN110424903A Drill bit stablizes binary channels and receives slag-draining device
CN109723487A Air pulsing quantum energy is implanted into presplitting permeability-increasing gas pumping method and device
CN109681118A Interior deslagging deep hole pressure-relief drill rig
CN109594935A Interior deslagging binary channels drilling rod
CN109594926A Roll-in cut drill
CN108104866A It is a kind of using gas as the anti-reflection technology of pulsation pressure break creep and its device of medium
CN108049837A Elastic pouch hole packer
CN108104737A The self-positioning drilling rod of binary channels
CN109113701A Using air as the anti-reflection technology of pulsating pressure-air creep pressure break and device of medium
CN105217723A Roller screen formula oil-water separator
CN105158826A Plate-type condensation convex lens
CN103759559A Multi-tube heat exchanger
CN103673355A Concentrating solar heat collecting panel
CN103193062A 4-tooth 3-pitch scraper conveyor