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LIANYUNGANG HONGYANG QUARTZ PRODUCTS CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    210,030
About

LIANYUNGANG HONGYANG QUARTZ PRODUCTS CO LTD has a total of 13 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets machines are JOHN MONCRIEFF LTD, HEERDT HEINRICH WILHELM and VESUVIUS SOLAR CRUCIBLE SUZHOU CO LTD.

Patent filings in countries

World map showing LIANYUNGANG HONGYANG QUARTZ PRODUCTS CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing LIANYUNGANG HONGYANG QUARTZ PRODUCTS CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machines

Focus technologies

Top inventors

# Name Total Patents
#1 Xu Chuanlong 13
#2 Xu Yuan 8
#3 Feng Weie 6
#4 Liu Yunfei 3
#5 Zhang Hua 2
#6 Wang Lixi 2
#7 Pan Zhigang 1
#8 Feng Wei E 1

Latest patents

Publication Filing date Title
CN104609729A Deep blue ultraviolet-filtering quartz tube and preparation method thereof
CN103880278A Preparation method of optical fiber covering quartz capillary perform and continuous melting furnace equipment
CN103880019A Purification method of high-purity quartz sand for quartz-coated optical fiber capillary tube preform and calcining and baking device
CN103466942A Yellow ultraviolet-transmitting quartz glass plate and preparation method thereof
CN103466940A Sky blue hard light quartz tube and preparation method thereof
CN103466920A Method for drawing major-diameter optical fiber preform by continuous smelting furnace
CN103466941A Ultraviolet-filtering quartz glass plate and preparation method thereof
CN103435260A Ozone-free quartz glass plate as well as preparation method thereof
CN103466943A Deep red infrared transmission quartz glass plate and preparation method thereof
CN103449455A Method for producing high-quality quartz sand by taking low-grade quartz mines as raw materials
CN103145330A Yellow filtering quartz tube
CN102432175A Grey ultraviolet-transmitting quartz glass tube and preparation method thereof
CN102432176A Black UV-filtering quartz glass plate and preparation method thereof