HUETTENWERKE SIEGERLAND AG innovation strategy

Patent filings in countries

#	Industry
#1	Materials and metallurgy
#2	Machine tools
#3	Surface technology and coating
#4	Thermal processes
#5	Measurement

#	Technology
#1	Rolling metal
#2	Metal tempering
#3	Coating metallic material
#4	Metallic material cleaning
#5	Details of furnaces
#6	Iron and steel production
#7	Measuring speed and acceleration
#8	Soldering, welding and flame cutting
#9	Metal production and refining
#10	Furnaces

Publication	Filing date	Title
DE930804C	1953-12-24	Device for opening thin sheets rolled in packs
DE908201C	1952-06-19	Radiation measuring device for measuring the thickness of a metal strip emerging from the roll gap
GB496914A	1938-03-17	Means for accommodating piles of plates for conveying them in and out of pickling vats
GB508606A	1938-03-04	Method of smelting zinc containing material in shaft furnaces
GB486654A	1937-12-21	Device for housing and conveying piles of sheet billets, semi-finished rolled products, sheets or other material to be pickled, in and out of a pickling tank
GB480085A	1937-07-21	Method of colouring sheet metals coated with zinc
GB480578A	1937-07-21	Method of treating zinc-coated articles to prevent corrosion
GB504362A	1937-07-16	Method of coating vessels with zinc
GB480566A	1937-05-21	Improvements in or relating to the recovery of a product rich in zinc from iron orescontaining substantial amounts of zinc
GB439861A	1934-03-09	Closure member for sheet metal containers