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DONGHAI JINGSHENGYUAN SILICA CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    170,295
About

DONGHAI JINGSHENGYUAN SILICA CO LTD has a total of 11 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, electrical machinery and energy and chemical engineering are SOULIER JOEL, MICRODRY CORP and KIYOKAWA SHIN.

Patent filings in countries

World map showing DONGHAI JINGSHENGYUAN SILICA CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing DONGHAI JINGSHENGYUAN SILICA CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Jiande 6
#2 Zhang Yun 3
#3 Zhang Xilin 2

Latest patents

Publication Filing date Title
CN108438782A A kind of quartz pushrod processing conveying device
CN108358462A A kind of quartz crucible surface brushing fixing device
CN108592562A A kind of quartz sand drying unit
CN108380489A A kind of quartz sand particle vibration separation device
CN108546135A A kind of quartz-ceramics choose pellet
CN108439415A A kind of quartz sand high-temperature gasification reaction tube
CN108437384A A kind of quartz-ceramics revolving sleeve
CN108377585A A kind of fast quartz heating tube of radiating rate
CN108463013A A kind of milky white silica tube
CN102814222A Continuous dry ball milling device
CN102815713A Method for preparing silicon dioxide powder