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SONGFA HOU

Overview
  • Total Patents
    14
About

SONGFA HOU has a total of 14 patent applications. Its first patent ever was published in 2002. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are SUZHOU NEW CHANGGUANG THERMAL TECHNOLOGY CO LTD, OK B SIB NII SELSKOGO KHOZ and SHANGHAI PHARMATECH CO LTD.

Patent filings in countries

World map showing SONGFA HOUs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing SONGFA HOUs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Songfa Hou 14
#2 Xianzhong Xu 1

Latest patents

Publication Filing date Title
CN101954460A Special movable air chamber sand box of negative pressure molding process
CN101972958A Combined brick grinder
CN101972985A Internal-cooling power grinding head
CN101954448A Sealed air chamber model used in vacuum molding process
CN101954461A Drag box for vacuum molding process
CN101838554A Manufacture and use method of mixed gas and water gas
CN101671167A Method for producing fused zirconia corundum products by using low grade zircon sands
CN101497526A Method for producing electrocast refractories by high-power electric arc furnace
CN101412108A Automatic casting platform with energy storage and protection functions
CN101215180A Method for producing AZS electric melting refractory materials by natural mineral raw materials
CN101143460A Method for producing casting fireproof material by negative pressure hollow type method
CN101108717A Automatic casting flat base
CN1558701A Method of graphite electrode dip treating
CN1412513A Electric arc furnace with cooling water circulating system