HG

Heinz Grachtrup

KA Krupp Polysius Ag: 5 patents #19 of 180Top 15%
📍 Ennigerloh, DE: #17 of 116 inventorsTop 15%
Overall (All Time): #1,061,975 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4915311 Roller mill Otto Heinemann, Helmut Krumme, Helmut Lucke, Werner Schossler, Karl von Greiffenstern 1990-04-10
4554876 Rotary kiln with cooler 1985-11-26
4488730 Device for sealing a ring gear 1984-12-18
4457520 Device for sealing the gap between a rotary kiln and an inlet housing 1984-07-03
4315439 Drive apparatus for rotary unit 1982-02-16