Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7399503 | Process for producing multi-layer coating wherein the quotient of the surface energies of a second coating layer divided by a first coating layer is less-than-or-equal-to 1 | Klaus Holzapfel, Peter Mayenfels, Hubert Baumgart | 2008-07-15 |
| 5212981 | Method of and apparatus for measuring the viscosity of materials | Martin Laun, Wolfgang Goring, Hans-Joachim Streitberger | 1993-05-25 |
| 4956096 | Process for removing from electrocoating baths impurities which cause surface defects | Klaus Arlt, Karl-Heinz Josten, Hans-Joachim Streitberger | 1990-09-11 |