Ralf Eckstein has been granted 8 US patents while listed as an inventor at Thyssenkrupp Presta. The first was granted in 2011 and the most recent in April 2022. Ralf Eckstein ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Ralf Eckstein in Feldkirch, AT.