Beijing
China
5
2022-10-27
The entities that hold a legal rights for patent applications filed by inventor Li Weifeng:
Weifeng Li from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Converter CO2—O2 mixed injection smelting method and method of dynamically controlling fire point area temperature
#2 | 2022-10-13METHOD OF DYNAMIC CONTROL FOR BOTTOM BLOWING O2-CO2-CaO CONVERTER STEELMAKING PROCESS
#3 | 2022-07-28Long-life service method for powder-bottom-injecting converter based on collaborative hot replacement of furnace bottom and bottom purging brick
#4 | 2020-10-29Efficient long-service-life blowing method and system for vanadium extraction-decarburization duplex converters
#5 | 2014-07-24Method, apparatus and system for generating label forwarding table on ring topology
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