RK

Ralf Krukenberg

MA Mercedes-Benz Group Ag: 1 patents #616 of 1,842Top 35%
📍 Esslingen am Neckar, DE: #258 of 469 inventorsTop 60%
Overall (All Time): #3,822,417 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5205120 Mixture-compressing internal-combustion engine with secondary-air injection and with air-mass metering in the suction pipe Kurt Oblander, Ludwig Fricker, Alexander Anderson, Hans-Karl Weining, Selcuk Geldec +1 more 1993-04-27