HH

Hans De Haas

MA Mannesmann Ag: 1 patents #514 of 1,341Top 40%
Overall (All Time): #1,286,240 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5772727 Process for the production of metal from metal ores Joachim Janz, Horstmar Mohnkern, Manfred Voss 1998-06-30
5286008 System for inerting a casting vessel used for transporting molten metal Klaus Ulrich, Klaus Grutzmacher, Erhard Krause, Horstmar Mohnkern, Manfred Lowenstein +3 more 1994-02-15
5246485 Method and apparatus for preventing fume production when transporting molten metal from a metallurgical vessel to casting vessels Klaus Ulrich, Klaus Grutzmacher, Erhard Krause, Horstmar Mohnkern, Manfred Lowenstein +3 more 1993-09-21
4213777 Making iron powder having fiber-like particles Klaus Grebe 1980-07-22