ROMBACHER HUETTENWERKE innovation strategy

Patent filings in countries

#	Industry
#1	Materials and metallurgy
#2	Machine tools
#3	Environmental technology
#4	Electrical machinery and energy
#5	Basic materials chemistry
#6	Thermal processes

#	Technology
#1	Pig-iron processing
#2	Rolling metal
#3	Climate change mitigation in goods production
#4	Special electric heating or lighting
#5	Building materials
#6	Punching metal
#7	Iron and steel production
#8	Gas, coke and tar production
#9	Fuels
#10	Details of furnaces

Publication	Filing date	Title
DE458125C	1922-09-16	Method and device for the production of gas mixtures
US1211395A	1916-10-14	Treatment of coke-oven gases.
GB191402385A	1914-01-01	Improvements in or relating to the Manufacture of Steel.
US1129377A	1913-12-16	Method and apparatus for protecting the electrodes in arc-furnaces.
US1061016A	1912-12-30	Process of melting ferro-alloys and keeping them in liquid state.
US1156051A	1912-12-02	Manufacture of steel.
GB191020509A	1910-09-02	An Improved Method of Supplying Air to Compressors for Blast Furnaces, Converters and the like.
US1056456A	None	Electric furnace for melting and liquefying ferro-alloys.