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ZHEJIANG SHUANGJIN MACHINERY HOLDINGS CO LTD

Overview
  • Total Patents
    34
About

ZHEJIANG SHUANGJIN MACHINERY HOLDINGS CO LTD has a total of 34 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets chemical engineering, machines and environmental technology are EXTEC IND PLC, SEISHIN ENTPR CO LTD and VNI PI MEKH OBRABOTKI.

Patent filings in countries

World map showing ZHEJIANG SHUANGJIN MACHINERY HOLDINGS CO LTDs patent filings in countries

Patent filings per year

Chart showing ZHEJIANG SHUANGJIN MACHINERY HOLDINGS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jiang Gang 17
#2 Hu Jianming 17
#3 Hu Zuyao 11
#4 Zuyao Hu 6
#5 Huang Jianwei 4

Latest patents

Publication Filing date Title
WO2015027579A1 All-weather conical sand making machine and self-adjustment method
CN103357578A Multi-section strong wind cabin of machine-made sand wind power air separator
CN103357577A Machine-made sand wind power winnowing system and winnowing method
CN103406266A Air classification cabin for machine-made natural sand
CN103357579A Machine-made natural sand winnowing method
CN103357481A Dust-free machine-made natural sand manufacturing separation system and method
CN103357581A Intermediate wind cabin chamber of machine-made sand wind power air separator
CN103350016A Machine-manufactured natural sand grading adjustment machine and manufacturing method of natural sand
CN103350017A Machine-manufactured natural sand grading adjustment system and manufacturing method of natural sand
CN103350018A Special stepping type counterattack hopper for machine-manufactured natural sand grading adjustment machine and sand manufacturing method
CN103212243A Sand and water separation system and method
CN103212242A Special dehydration rotational flow assembly for sand and water separation system as well as sand and water separation method
CN103111416A Drawer type multilayer vibrating screen and manufacturing method thereof
CN103111417A Modularized drawer-type multilayer vibrating screen and manufacture method thereof
CN103127760A Wide water-storage dewatering screen assembly dedicated to sand-water separation system and sand-water separation method
CN103008047A Special concave-convex arc rolling mortar walls and breaking walls for cone sand making machine and matching method
CN102962400A Casting mold of conical sand maker rolling mortar wall and casting process
CN102962398A High-frequency vibration casting mold of conical sand maker rolling mortar wall and casting process
CN102962397A Casting mold of conical sand maker breaking wall and casting process
CN102962399A High-frequency vibration casting mold of conical sand maker breaking wall and casting process