QINGDAO DOUBLE BUTTERFLY GROUP CO LTD has a total of 12 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets measurement, machines and medical technology are NANTONG ZHONGHUI MOULD CO LTD, JIANGSU JIANGYING HOUSEWARE CO LTD and CELLOFOAM AG.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 11 | |
#2 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Measurement | |
#2 | Machines | |
#3 | Medical technology | |
#4 | Macromolecular chemistry and polymers |
# | Technology | |
---|---|---|
#1 | Testing of structures | |
#2 | Shaping of plastics | |
#3 | Implantable devices | |
#4 | Compounding ingredients | |
#5 | Analysing materials | |
#6 | Compounding processes |
# | Name | Total Patents |
---|---|---|
#1 | Ying Zhenwen | 6 |
#2 | Zhang Ning | 6 |
#3 | Liu Cuiling | 5 |
#4 | Wang Qili | 3 |
#5 | Wang Zhong | 3 |
#6 | Gao Chao | 2 |
#7 | Jiang Shengxin | 1 |
#8 | Li Zhicheng | 1 |
#9 | Guo Liyun | 1 |
#10 | Qing Guie | 1 |
Publication | Filing date | Title |
---|---|---|
CN106645293A | Condom water permeability tester with sealing and extruding mechanism | |
CN104634516A | Condom water permeability inspection device | |
CN104325584A | Model rack for producing condom | |
CN105004760A | Dry electrical detection apparatus used for condom production | |
CN102773955A | Condom impregnating device with dynamic adjustable impregnation track | |
CN102775653A | Method for manufacturing lithe condoms | |
CN102276883B | Production technology for preparing soft condom under low temperature and long time vulcanization by stages | |
CN102358441A | Automatic condom packaging machine | |
WO2011157033A1 | Production method for golden condom |