Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7727583 | Method for the production of structured surfaces | Cedric Dieleman, Harald Keller, Wolfgang Schrepp | 2010-06-01 | |
| 6992125 | Wax formulations and their use for maintaining and preserving surfaces | Harald Keller, Wolfgang Schrepp, Axel Ebenau, Cedric Dieleman, Silvio Alejandro Rosas Paz | 2006-01-31 | $604,000 |
| 6783807 | Method for coating apparatuses and parts of apparatuses for the construction of chemical installations | Stephan Huffer, Thilo Krebs, Klaus-Dieter Hungenberg, Ingolf Kühn, Ekkehard Jahns +5 more | 2004-08-31 | $271,000 |
| 6683126 | Compositions for producing difficult-to-wet surface | Harald Keller, Ingolf Kühn, Ekkehard Jahns, Christian Lach, Stephan Huffer +2 more | 2004-01-27 | $346,000 |