1811
Establishment of a mechanical workshop by Johann Dinnendahl
1820
Installation of an "iron smelt” for the manufacture of cast machine components
1831
Johann Dinnendahl takes on Friedrich Wilhelm Liebrecht as a partner, after whom the company is named
1848/49
Commencement of pig iron manufacture in a coke-fired blast furnace
1852
Transformation of the company into a public limited company bearing the name Bergwerks-Verein Friedrich Wilhelms-Hütte
1862
Establishment of a pipe foundry with subsequent gradual expansion for the manufacture of pipes with maximum diameters of 1.20 metres and up to 4 metres in length
1905
"Friedrich Wilhelms-Hütte" is incorporated in the "Deutsch-Luxemburgische Bergwerks- und Hütten AG"
1907
The first steel casting foundry is put into operation
1926
The "Deutsch-Luxemburgische Bergwerks- und Hütten AG" is incorporated in the "Vereinigte Stahlwerke AG"
1948
Following decartelisation of the "Vereinigte Stahlwerke AG", the "Friedrich Wilhelms-Hütte" merges with "Gießerei Hüttenbetrieb Meiderich" to form "Eisenwerke Mülheim/Meiderich AG"
1950-1962
Additional blast furnaces are built as well as a cement plant
1963
"Rheinstahl Eisenwerke Mülheim/Meiderich AG", "Schalker Verein" and "Ruhrstahl AG" merge to become "Rheinstahl Hüttenwerke AG"
1963-1968
Restructuring within the Rheinstahl Group of Companies leads to discontinuation of blast furnace operation including its premises and the cement plant. A steel casting foundry (hand-moulded cast iron) is also closed. Relocation of production of hand-moulded foundry goods from the Duisburg-Wanheim and Hattingen foundries to Friedrich Wilhelms-Hütte as well as ingot moulds to the Meiderich foundr
1976
The company changes its name to "Thyssen Gießerei AG, Werk Friedrich Wilhelms-Hütte" (in the wake of a takeover of the Rheinstahl Group by "August Thyssen-Hütte AG" in 1973)
1998
1998
"Thyssen Umformtechnik GmbH" and "Thyssen Guss AG" (since 1984) divisions are merged as "Thyssen Umformtechnik Guss GmbH"
2001
"Friedrich Wilhelms-Hütte GmbH" becomes an independent company in the area of cast iron at "Georgsmarienhütte Holding GmbH"
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