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MA ANSHAN YIHUA HYDRAULIC MACHINES CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    165,563
About

MA ANSHAN YIHUA HYDRAULIC MACHINES CO LTD has a total of 16 patent applications. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets machine tools, materials and metallurgy and mechanical elements are SUZHOU LIEZHIAIMENG NEW MATERIAL TECHNOLOGY TRANSFER CO LTD, Qingdao xingchen machine tool co ltd and ESSENCE FASTENING SYSTEMS SHANGHAI CO LTD.

Patent filings in countries

World map showing MA ANSHAN YIHUA HYDRAULIC MACHINES CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing MA ANSHAN YIHUA HYDRAULIC MACHINES CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhao Yao 16
#2 Guo Xiangyang 6

Latest patents

Publication Filing date Title
CN104564983A Bottom ring hydraulic nut
CN104561751A High-wear-resistance material for hydraulic wrench pistons and preparation method thereof
CN104552098A Hollow hydraulic wrench
CN104564984A HN-type hydraulic nut
CN104564982A Top ring hydraulic nut
CN104551632A Single-stage high-type bolt tensioner
CN104552149A Single-stage thin-type bolt tensioner
CN104498813A Heat-resistant material for hydraulic spanner piston and preparation method thereof
CN104551633A Single-stage short-type bolt tensioner
CN104551634A Two-stage high-type bolt stretcher
CN103506817A Manufacturing method of steel ratchet wheel
CN103692152A Manufacturing method for withdrawing sleeve
CN103525516A Grease type rust-preventative oil with gas-phase rust prevention function
CN103510083A Surface blackening and rust prevention treatment method for metal part
CN103509639A Dehydration anti-rust oil for metal workpieces and preparation method thereof
CN103692153A Manufacturing method of reaction arm