Learn more

DALIAN LONGTIAN TECH CO LTD

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    187,373
  • Filing trend
    ⇩ 50.0%
About

DALIAN LONGTIAN TECH CO LTD has a total of 15 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2008. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets environmental technology, textiles and paper and machines are MORIAI SEIKI KK, BIOTEKHNOLOGII and LUDWIG ALTPETER.

Patent filings in countries

World map showing DALIAN LONGTIAN TECH CO LTDs patent filings in countries

Patent filings per year

Chart showing DALIAN LONGTIAN TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhan Lishu 8
#2 Tan Yi 8
#3 Lishu Zhan 7
#4 Yi Tan 7
#5 Wang Dengke 6
#6 Guobin Li 4
#7 Dachuan Jiang 3
#8 Wei Dong 3
#9 Fan Zhiyong 2
#10 Jiang Dachuan 1

Latest patents

Publication Filing date Title
CN110983502A Automatic continuous opening device for pre-oxidized felt
CN111003532A Automatic cleaning, subpackaging and stacking assembly line
CN110923856A Pre-oxidized felt opener
CN108565470A A kind of preparation method of flow battery graphite felt
CN107185730A A kind of solid centrifuge of vertical spiral spinning liquid for realizing solid product Ultra-low Moisture Content
CN107008577A A kind of solid centrifuge of vertical spiral spinning liquid with automatic cleaning function
WO2012100485A1 Method and apparatus for smelting and purifying polycrstalline silicon by means of electron beam and shallow melt pool
CN102219219A Method and equipment for purifying polycrystalline silicon by directional solidification and filter slag melting
CN102126726A Method and equipment for efficiently purifying polysilicon powder by utilizing electron beams
CN102120578A Method and device for coupling and purifying polysilicon and removing phosphorus and metal with electron beams
CN101935041A Method for extracting polysilicon through electron beams and acid washing
CN101941698A Method and device for efficiently removing phosphorus impurities in silicon by electron beam melting
CN101787563A Method and device for removing impurities of phosphorus and boron by induction and electronic beam melting
CN101774586A Method and device for removing impurity boron out of polysilicon by induction evaporation mode
CN101637743A Method for separating superfine powder