DK

Dirk Kalkhoff

SG Sms Group Gmbh: 1 patents #10 of 75Top 15%
📍 Rheydt, DE: #4 of 29 inventorsTop 15%
Overall (2021): #473,796 of 548,734Top 90%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10882097 Ring-rolling machine and method for lifting and lowering the mandrel roll of a ring-rolling machine Felix Rodermund-Gebhart 2021-01-05