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Weifang henglian cellophane co ltd

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    223,875
About

Weifang henglian cellophane co ltd has a total of 19 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are TEKKU KOGYO KK, CHINA OCEAN UNIVERSITY ORGANISM PROJECT DEV CO LTD and SHENYANG CHEMICAL COLLEGE.

Patent filings in countries

World map showing Weifang henglian cellophane co ltds patent filings in countries
# Country Total Patents
#1 China 19

Patent filings per year

Chart showing Weifang henglian cellophane co ltds patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Xu Lili 7
#2 Wang Xin 6
#3 Xin Wang 6
#4 Xiaoyu Zhang 5
#5 Wang Huijun 5
#6 Xiaorong Wang 5
#7 Lili Xu 4
#8 Zhang Xiaoyu 4
#9 Wenwen Zhang 4
#10 Yang Tongxian 3

Latest patents

Publication Filing date Title
CN105043859A Clamp entering device used for film transversal stretcher
CN104524863A Ionic liquid filtering and recycling method
CN103257140A Method for detecting ionic liquid residual amount in regenerated cellulose membrane
CN103172893A Preparation method of special de-molding regenerated cellulose membrane
CN102504316A Method for preparing regenerated cellulose membrane
CN102504313A Method for semi-permeable heat-sealed regenerated cellulose membrane
CN102504314A Method for preparing release regenerated cellulose membrane
CN102504315A Method for preparing hot-sealing film
CN102346157A Method for measuring thermal shrinkage performance of glass paper
CN102279140A Method for rapidly measuring water content in glassine paper
CN101649060A Preparing method of cellulose membrane specially used by high-whiteness adhesive tape
CN101649062A Preparing method of colourful cellulose membrane
CN101649064A Preparing method of transfer print cellulose membrane for food
CN101649061A Preparing method of cellulose membrane specially used by aviation instrument panel
CN101852713A Method for measuring water vapor penetrability of glass paper
CN101852710A Method for measuring heat sealability of glass paper
CN101520403A Method for measuring smoothness of glass paper
CN101302298A High heat-sealing thin film and preparation thereof
CN101153207A Method for manufacturing film special for rubber belt