WS

Wilhelm Schiffer

VO Voest-Alpine: 4 patents #35 of 348Top 15%
SG Siemens Vai Metals Technologies Gmbh: 2 patents #29 of 153Top 20%
DG Deutsche Voest-Alpine Industrieanlagenbau Gmbh: 1 patents #24 of 47Top 55%
V& Voest-Alpine Industrieanlagenbau Gmbh &: 1 patents #128 of 281Top 50%
Overall (All Time): #579,823 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8202474 Conveyor system, composite system and method for coupling metallurgical methods Harald Fischer, Ernst Oberndorfer, Hanspeter Ofner 2012-06-19
7858021 Conveyor system, composite system and method for coupling metallurgical methods Harald Fischer, Ernst Oberndorfer, Hanspeter Ofner 2010-12-28
6511629 Shaft furnace Leopold Werner Kepplinger, Rainer Walter Kastner, Kurt Wieder, Wilhelm Stastny 2003-01-28
5271609 Plant comprising a shaft Leopold Werner Kepplinger, Wilhelm Stastny, Bernhard Rinner 1993-12-21
5127346 Burner arrangement for the combustion of fine-grained to dusty solid fuel Leopold Werner Kepplinger, Rolf Hauk 1992-07-07
4867787 Mill arrangement with temporary storage vessel and a process of operating the same Othmar Puhringer, Felix Wallner, Horst Wiesinger, Ernst Eichberger, Walter Rockenschaub 1989-09-19
4804408 A mill arrangement and a process of operating the same using off gases to refine pig iron Othmar Puhringer, Felix Wallner, Horst Wiesinger, Ernst Eichberger, Walter Rockenschaub 1989-02-14
4617671 Arrangement for producing metals, such as molten pig iron, steel pre-material and ferroalloys Walter Lugscheider, Paul Mullner, Alois Leutgob 1986-10-14
4533385 Method for producing metals, such as molten pig iron, steel pre-material and ferroalloys Walter Lugscheider, Paul Mullner, Alois Leutgob 1985-08-06