HG

Hubert Grothaus

PA Polysius Ag: 2 patents #16 of 115Top 15%
KA Krupp Polysius Ag: 1 patents #77 of 180Top 45%
Overall (All Time): #1,230,064 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8608094 Tube mill with internal lining of epoxy material Gerhard Blatton 2013-12-17
7168645 Lift wall for a tube mill Gerhard Blatton, Ludger Schulte 2007-01-30
4911554 Rotatable drum Heinrich Henne 1990-03-27
4465383 Hydrodynamic bearing Otto Heinemann, Helmut Lucke, Helmut Krumme, Leonhard Linzel, Werner Schossler +1 more 1984-08-14