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RHEINSTAHL HUETTENWERKE AG

Overview
  • Total Patents
    304
About

RHEINSTAHL HUETTENWERKE AG has a total of 304 patent applications. Its first patent ever was published in 1957. It filed its patents most often in Germany, United Kingdom and France. Its main competitors in its focus markets materials and metallurgy, mechanical elements and machines are BEDA OXYGENTECH ARMATUR, MEXICANO INVESTIGACION and VACMETAL GMBH.

Patent filings in countries

World map showing RHEINSTAHL HUETTENWERKE AGs patent filings in countries

Patent filings per year

Chart showing RHEINSTAHL HUETTENWERKE AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Breuing Wilhelm 8
#2 Lipp Willi 6
#3 Kunnen Josef 6
#4 Mandel J 4
#5 Wahlster Manfred 4
#6 Raeune Claus 4
#7 Mayer Siegfried 4
#8 Zimmermann E 4
#9 Kraemer Friedrich 4
#10 Kohl H 3

Latest patents

Publication Filing date Title
US3954134A Apparatus for treating metal melts with a purging gas during continuous casting
FR2198798A1 Preventing peeling of rolls - when using hydrogen-contg lubricants
DE2344430A1 Railway stock wheel rolling plant - has two inclined rolling heads to form wheel web and rim
FR2187920A1 Electroslag remelting steel - to obtain low sulphur content
GB1433614A Production of low sulphur steel by electroslag remelting
GB1349434A Fold-over sealing ring
GB1437360A Mould for electroslag remelting
DE2228421A1 Electroslag remelting - for high sulphur steels using calcium oxide free slag
CA956078A Continuous casting melt treating method and apparatus
DE2219818A1 Oxidic contamination prevention - during the continuous casting, eg of aluminium contg steels
US3785632A Apparatus for accelerating metallurgical reactions
DE2204499A1 Metallurgical melt paddle stirrer - with bottom recessed paddle
DE2164710A1 Electro-slag melting of steel - reduction of hydrogen contents
DE2164698A1 Casting forging billets - free from base-sand
DE2157651A1 Straightening out of welded components - by localised heat application
GB1319886A Shutoff and regulating slide valve
DE2151617A1 METHOD AND DEVICE FOR CONNECTING ELECTRODES FOR ELECTRO-SLAG RE-MELTING
DE2148765A1 Melt agitator - for effecting metallurgical reactions by the uniform mixing of slag and melt
DE2139635A1 Spray-unit for mould wash - for coating chill or ingot casting moulds
GB1321096A Apparatus and method for desulphurising iron