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QINGYUN ZHENG

Overview
  • Total Patents
    22
About

QINGYUN ZHENG has a total of 22 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are SAKAMOTO DENIMU KK, HE XIAOTAO and MI EX K B MASH.

Patent filings in countries

World map showing QINGYUN ZHENGs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing QINGYUN ZHENGs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Qingyun Zheng 22
#2 Shengchun Li 19
#3 Rongli Wu 9
#4 Liqi Liu 8
#5 Zhigang Liu 6
#6 Bo Dai 3
#7 Chun Shao 3
#8 Konghui Fu 3
#9 Ronghui Liu 1
#10 Bing Xue 1

Latest patents

Publication Filing date Title
CN102452796A Lead-free acid-resistant glass powder and preparation method thereof
CN101962821A Microencapsulated red phosphorus flame-retardant polypropylene fiber and preparation method thereof
CN102453977A Nano silver PBT/PTT (Polybutylece Terephthalate/Polytrimethylene Terephthalate) antibacterial composite fiber and preparation method thereof
CN102452795A Bismuthate sealing glass for hollow glass and preparation method thereof
CN102453310A Master batch for high-resistance polyester bottle and preparation method thereof
CN102452794A Crystalline low-melting-point sealing glass and preparation method thereof
CN102011210A Flat far infrared ECDP magnetic fiber and preparation method thereof
CN102008129A A high-performance underskirt and manufacturing method thereof
CN102010131A Low melting point glass powder for barrier and preparation method thereof
CN102190510A Phosphate controlled-release fertilizer with sterilizing effect and preparation method thereof
CN101857366A Photosensitive glass material used for PDP barrier
CN101857985A Magnesium hydroxide and aluminum hydroxide PBT/PET composite fiber and preparation method thereof
CN102190442A Low-melting-point glass powder for vacuum glass sealing, and preparation method thereof
CN101857370A Lead-free bismuthate glass powder used for bonding electronic ceramics
CN101857980A PET cross fiber containing nano radium and application thereof
CN102191580A Nanoselenium-containing fire resistant polypropylene fiber and application thereof
CN102050582A Glass powder for platinum film sensors and preparation method thereof
CN102051249A Glass lubricating grease and preparation method thereof
CN101864618A Crossed COPET/PET super bright fiber and preparation method thereof
CN101863620A Phosphate low-melting-point glass for decoration and preparation method thereof