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SHANGHAI YUFAN ENV SCI TECH CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    120,563
About

SHANGHAI YUFAN ENV SCI TECH CO LTD has a total of 14 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, civil engineering and transport are HAAS HELMAR, OTSUGA NORIO and OH KANG WON.

Patent filings in countries

World map showing SHANGHAI YUFAN ENV SCI TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing SHANGHAI YUFAN ENV SCI TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Jie 14
#2 Li Lianhe 12
#3 Li Jiachuan 9
#4 Song Xiaowei 8
#5 Li Tong 8
#6 Zhu Jun 6
#7 Huang Zongren 4
#8 Xia Wen 3
#9 Li Wanchao 2
#10 Wei Wei 1

Latest patents

Publication Filing date Title
CN112282038A Pipeline silt draw-out device
CN111764495A High-pressure water injection dredging auxiliary device
CN111287300A Gas overturning repair construction equipment and method
CN110746552A In-situ curing repair resin
CN110052657A A kind of pipeline inside diced system
CN109973750A A kind of the field repair device and its restorative procedure of internal lining pipe
CN110043753A A kind of two-wheeled equalizing main detection robot
CN110042905A A kind of prosthetic device of drainage pipeline inspection well
CN110042904A A kind of prosthetic device and method in urban underground water drainage pipe road
CN110030458A A kind of local route repair device for drainage pipeline
CN110056741A A kind of prosthetic device and restorative procedure for CIPP pipeline
CN109572973A A kind of underwater propeller
CN109516318A A kind of CIPP coiled strip discharging device
CN109515085A A kind of amphibious pipeline vehicle of screw propulsion