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QINGYU ZHANG

Overview
  • Total Patents
    29
About

QINGYU ZHANG has a total of 29 patent applications. Its first patent ever was published in 2001. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, audio-visual technology and computer technology are LUOYANG WEIQI SOLAR ENERGY TECHNOLOGY CO LTD, AOMORI PREFECTURAL IND TECHNOLOGY RES CT and TAMA KAYAKU KIKO KK.

Patent filings in countries

World map showing QINGYU ZHANGs patent filings in countries
# Country Total Patents
#1 China 29

Patent filings per year

Chart showing QINGYU ZHANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Qingyu Zhang 29
#2 Yufang Mu 13
#3 Jiacheng Ni 1
#4 Hongjun Wang 1
#5 Guozhen Zhang 1

Latest patents

Publication Filing date Title
CN102181272A Anti-collapse and filtration-reducing lubricating agent for drilling fluid, and preparation method and application method thereof
CN102011676A Vacuum pumping storage scale power generation system engineering
CN101975171A Water-pump piloting automatic vacuum suction device
CN102022249A Vacuum sea wave seawater desalinization and power generation platform system device
CN101822412A Agricultural product deep processing vacuum energy device system
CN101830541A Underground reverse-osmosis seawater desalination vacuum plant system
CN101696289A Environment-friendly high-conductive plastic jacket material and preparation method thereof
CN101766438A rice cooker
CN101766450A Water sucking housing on pot cover
CN101748780A Drain valve mechanism
CN101761129A Toilet flushing mechanism
CN101761125A Discharge mechanism of seat toilet
CN101761113A Indoor ground drainage system
CN101761114A Indoor ground drainage system
CN101761121A Combined water level and water yield control system
CN101761126A Squatting pan
CN101358465A Discharged mechanism of urinal
CN101339601A License plate Chinese character recognition method based on SIFT algorithm
CN101449857A Motocycle automatic heating gloves and device
CN101451428A Vacuum and pneumatic double dynamic multi-well pumping well system device