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LIU JIANHANG

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    163,571
  • Filing trend
    ⇩ 50.0%
About

LIU JIANHANG has a total of 21 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2000. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, chemical engineering and environmental technology are WELLWORX ENERGY SOLUTIONS LLC, ARCHON TECHNOLOGIES LTD and COBB DELWIN E.

Patent filings in countries

World map showing LIU JIANHANGs patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

Chart showing LIU JIANHANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Jianhang 21
#2 Wang Zhi 1
#3 Zhao Xu 1
#4 Shi Xianjie 1
#5 Liu Long 1
#6 Ma Guozhi 1
#7 Zhang Shutong 1
#8 Zhang Xiandong 1

Latest patents

Publication Filing date Title
CN111359342A Thermal power plant atomization dust settling device and method thereof
CN110578928A Thermal power plant boiler coal ash discharge and separation device and use method thereof
CN109854198A Scalable long-acting non maintenance well-head sealer
CN108487881A Underground is without pump reducing sliding plug relay excretion machine
CN106912358A House flowers management system
CN106677715A Honeycomb body bending prevention oil sucking rod
CN108060911A Reducing sliding plug lifts liquid device
CN108060897A Coupling type synergistic device
CN105089557A Underground heat conducting pipe application technology
CN105089513A Underground heat conducting pipe
CN1587639A Rod type liquid lift device
CN1546838A Sublevel lifting process for preventing sand-stick in oil well
CN1385594A Intelligent water blocking valve used under well
CN1378032A Rotary oil rod clipping centralizer
CN1369611A Centralizer for cardan axle of suker rod
CN1369656A Ratio-variable coaxial speed variator
CN1322891A Pumping rod corrector
CN1333414A Paking replacing device for oil well
CN1274796A Centralizer
CN1274795A Multifunctional capping device