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MAANSHAN HENGYI MACHINERY MFG

Overview
  • Total Patents
    143
  • GoodIP Patent Rank
    17,506
About

MAANSHAN HENGYI MACHINERY MFG has a total of 143 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 macromolecular chemistry and polymers, environmental technology and machine tools are FENGYANG HUIHENG TRADING CO LTD, NIPPON PAINT GUANGZHOU CO LTD and TONGLING THE BRONZE AGE SCULPTURE CO LTD.

Patent filings in countries

World map showing MAANSHAN HENGYI MACHINERY MFGs patent filings in countries
# Country Total Patents
#1 China 143

Patent filings per year

Chart showing MAANSHAN HENGYI MACHINERY MFGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Gongguo 143
#2 Xie Yong 142
#3 Wang Jingwen 133
#4 Li Chunjin 128
#5 Duan Zongyin 128
#6 Wang Xiaofen 127
#7 Chen Chao 127
#8 Zhang Shaowu 127
#9 Wang Shuyan 127
#10 Wu Zhaoyin 1

Latest patents

Publication Filing date Title
CN104841860A Excellent-combination-property precoated sand for hot method and preparation method thereof
CN104841861A Precoated sand appropriate for manufacturing of thin-walled core sand and preparation method of precoated sand
CN104841854A Low-thermal-expansion molding sand and preparation method thereof
CN104841851A Environment-friendly energy-saving sand and production method thereof
CN104841855A Casting sand for modeling of complex casting and preparation method thereof
CN104841863A Novel easily collapsible precoated sand and preparation method thereof
CN104841859A Environmental molding sand and preparation method thereof
CN104841862A Casting high-strength and high-temperature-resistant precoated sand and preparation method thereof
CN104841857A Heat resistant casting sand for heavy casting and preparation method of heat resistant casting sand
CN104841858A Molding sand for improving surface quality of cast part and preparation method thereof
CN104841870A Well-formed low-expansion cast precoated sand and preparation method thereof
CN104841852A High permeability heavy casting moulding sand and preparation method thereof
CN104841856A Molding sand with reducibility and preparation method thereof
CN104858355A Precoated sand with excellent breathability and heat resistance for hot method and preparation method thereof
CN104841864A Energy-saving precoated sand fully using waste and preparation method thereof
CN104841871A High-quality precoated sand for making core and preparation method thereof
CN104858357A Precoated sand with high-temperature resistance and good compactness and preparation method thereof
CN104841874A Moulding sand for middle-large size castings and preparation method thereof
CN104858356A Precoated sand for high-strength crack-resistant hot method and preparation method thereof
CN104841853A Fast-radiating easy-to-collapse casting sand and preparation method thereof