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LUOYANG GUANQI IND & TRADE CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    215,818
About

LUOYANG GUANQI IND & TRADE CO LTD has a total of 12 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, electrical machinery and energy and materials and metallurgy are YAMAMOTO RIYUUICHI, BEIJING DINGNENG KAIYUAN BATTERY TECHNOLOGY CO LTD and NINGBO SHANSHAN NEW MATERIAL TECHNOLOGY CO LTD.

Patent filings in countries

World map showing LUOYANG GUANQI IND & TRADE CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing LUOYANG GUANQI IND & TRADE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yuqi Hou 9
#2 Hou Yuqi 3
#3 Jianrui Zhang 1
#4 Xuyi Hou 1
#5 Yan Shi 1

Latest patents

Publication Filing date Title
CN103956494A Subnano-class natural micro-powder graphite preparation method
CN103956495A Preparation method of spherized graphite with low sulfur content
CN102153219A Treatment method for waste water after purification of graphite
CN102001649A Purification method for high-purity natural graphite
CN101863466A Automatic spheroidization device for producing spherical graphite
CN101850965A Spherical graphite with median diameter of 11 to 16 mu m and preparation method thereof
CN101850964A Spherical graphite with median diameter of 17 to 30 mu m and preparation method thereof
CN101850962A Gas flow control system used for producing spherical graphite and control method thereof
CN101863464A Air-flow vortex balling machine for producing spherical graphite
CN101850963A Spherical graphite with median diameter of 3 to 10 mu m and preparation method thereof
CN101850966A Spherical graphite with median diameter of 6 to 14 mu m and preparation method thereof
CN101298326A Spherical graphitic corpuscule composite carbon material and preparation thereof