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LU YUZHU

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    206,226
About

LU YUZHU has a total of 12 patent applications. Its first patent ever was published in 2005. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, materials and metallurgy and basic materials chemistry are GUANGZHOU EP ENV ENG LTD, GUANGDONG WANLYU ENVIRONMENTAL PROT ENGINEERING CO LTD and HATIAN WATER GROUP CO LTD.

Patent filings in countries

World map showing LU YUZHUs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing LU YUZHUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lu Yuzhu 12
#2 Ma Zhengfang 1

Latest patents

Publication Filing date Title
CN105906174A Method for ferric hydroxide water purifier preparation with sludge after steel pickling waste water lime neutralization
CN105540937A Treatment method of steel processing waste dangerous chemicals and product calcium-base ferrous hydroxide thereof
CN105601062A Method of using sludge neutralized by steel pickling wastewater to prepare yellow soil parent material
CN106327934A Network terminal-based learning guidance device
CN103553146A Method for preparing magnetite powder by using wasted electric lime size
CN103553258A Safe recycling treatment method of waste iron/steel pickling acid
CN102653437A Method for treating yellow sludge obtained in neutralization of steel pickling waste water lime
CN1974853A Process of reusing waste iron and steel pickling hydrochloric acid solution and recovering nanometer iron powder and CO
CN1844073A Method for reusing waste hydrochloric acid used in acid washing of iron and steel industry and reclaiming ferrous oxalate therefrom
CN1800269A Method for recovering and producing prussia blue and iron oxide green from acid pickle arising from steel cleaned by hydrochloric acid and acid waste water
CN1741206A Production of nano iron oxide black magnetic fluid with iron and steel hydrochloric acid pickling waste liquor
CN1752024A Method of producing magnetic iron sesquioxide using hydrochloric acid pickler of steel material