EH

Edgar Hartkopf

DG Didier Engineering Gmbh: 2 patents #29 of 71Top 45%
BG Bergwerksverband Gmbh: 1 patents #90 of 243Top 40%
📍 Mülheim, DE: #60 of 184 inventorsTop 35%
Overall (All Time): #2,364,703 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4421481 Furnace for heating slabs, billets, rough castings and the like Peter Holz, Heinrich Patalon 1983-12-20
4222824 Recuperative coke oven and process for the operation thereof Claus Flockenhaus 1980-09-16