Helmut Schmidtke has been granted 8 US patents while listed as an inventor at Basf Se. The first was granted in 2007 and the most recent in October 2012. Helmut Schmidtke ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Helmut Schmidtke in Bensheim, DE.