Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8038788 | Coating systems | Guenther Michael | 2011-10-18 |
| 7981211 | Surface-modified silicas | Mario Scholz | 2011-07-19 |
| 7972431 | Surface-modified silicas | Mario Scholz, Kai Schumacher | 2011-07-05 |
| 7731869 | Stabilised aluminium zirconium mixed oxide powder | Stipan Katusic, Horst Miess, Monika Oswald, Matthias Rochnia | 2010-06-08 |
| 7659328 | Silicone rubber | Mario Scholz | 2010-02-09 |
| 7442727 | Pyrogenically prepared, surface modified aluminum oxide | Manfred Ettlinger | 2008-10-28 |
| 6899920 | Method for the batch coating of saw wire | — | 2005-05-31 |
| 6767377 | Aqueous dispersion containing cerium oxide-coated silicon powder, process for the production thereof and use thereof | Kai Schumacher, Helmut Mangold, Wolfgang Lortz, Christoph Batz-Sohn | 2004-07-27 |
| 6743269 | Granules based on pyrogenically produced aluminium oxide, process for the production thereof and use thereof | Peter Neugebauer, Martin Steigerwald | 2004-06-01 |
| 6663851 | Surface-modified titanium dioxide | Klaus Deller, Dieter Kerner | 2003-12-16 |
| 6303256 | Toners and/or toner mixtures | Dieter Kerner, Helmut Mangold | 2001-10-16 |
| 6197469 | Toners and/or toner mixtures | Dieter Kerner, Helmut Mangold | 2001-03-06 |
| 5988566 | Aircraft window construction | — | 1999-11-23 |
| 5959005 | Silanized silica | Werner Hartmann, Hauke Jacobsen, Thomas Hennig, Henning Karbe, Uwe Schachtely | 1999-09-28 |
| 5776240 | Granules based on pyrogenically prepared silicon dioxide, methods for their preparation and use thereof | Klaus Deller, Helmfried Krause, Dieter Kerner, Hans Lansink-Rotgerink, Werner Hartmann | 1998-07-07 |
| 4511104 | Table-like support installation for papers, especially at a covering frame of a sliding window | — | 1985-04-16 |
| 4283702 | Contactless conductance potentiometer | Norbert Schaaf | 1981-08-11 |
| 4276534 | A contactless resistance potentiometer | Norbert Schaaf, Claus Kunze | 1981-06-30 |