• Thumbnail for Robert Durrer
    Robert Durrer (1890–1978) was a Swiss engineer who invented the basic oxygen steelmaking process (the Linz-Donawitz process, named after the towns where...
    6 KB (557 words) - 06:10, 19 September 2024
  • Thumbnail for Basic oxygen steelmaking
    of the converter. The process was invented in 1948 by Swiss engineer Robert Durrer and commercialized in 1952–1953 by the Austrian steelmaking company...
    14 KB (1,886 words) - 10:52, 19 August 2024
  • Thumbnail for Steelmaking
    removed from the metal. The modern process was developed in 1948 by Robert Durrer, as a refinement of the Bessemer converter that replaced air with more...
    36 KB (4,141 words) - 18:33, 1 November 2024
  • proposed by Robert Durrer (itself a development of Henry Bessemer's 1858 patent). By June 1949, VÖEST developed an adaptation of Durrer's process, the...
    34 KB (3,469 words) - 22:06, 8 November 2024
  • Thumbnail for Heinrich von Winkelried
    aus den Quellen untersucht und dargestellt, p. 110. Drachenkapelle: Robert Durrer, Kunstdenkmäler im Kanton Unterwalden (1899-1928), 255-257. Hermann...
    6 KB (876 words) - 04:19, 1 April 2024
  • Bureau of Standards. 1948: Basic oxygen steelmaking is developed by Robert Durrer. The vast majority of steel manufactured in the world is produced using...
    238 KB (24,495 words) - 02:19, 7 November 2024
  • Thumbnail for Jakob Joseph Matthys
     408–410 (mehr ein eigener Beitrag als eine Rezension). Encyclopedias Robert Durrer: Matthys, Jakob Josef. In: Historisch-Biographisches Lexikon der Schweiz...
    62 KB (8,052 words) - 20:31, 19 March 2024
  • Thumbnail for Kaspar von Silenen
    of the mercenaries in their sleep. Kaspar also died in this attack. Robert Durrer, Die Schweizergarde in Rom und Die Schweizer in Päpstlichen Diensten...
    3 KB (316 words) - 07:23, 6 December 2023
  • Thumbnail for Juliusbanner
    Mitteilungen des Historischen Vereins Zentralschweiz 126/7 (1973/4). Robert Durrer, 'Die Geschenke Papst Julius II. an die Eidgenossen', Wissen und Leben...
    11 KB (1,104 words) - 18:35, 22 September 2023
  • Thumbnail for Otto Lellep
    recognition of his engineering work, in 1960 he received, along with Robert Durrer the Carl Lueg Commemorative Medal from the Stahlinstitut VDEh. 1930:...
    4 KB (325 words) - 14:29, 20 September 2024