Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10155231 | Drive apparatus for a separator arrangement | Thomas Bathelt, Andreas Bolte | 2018-12-18 |
| 10105717 | Method for operating a separator with a drive chamber under negative pressure | Wilfried Mackel, Thomas Bathelt, Andreas Penkl | 2018-10-23 |
| 9981275 | Separator with direct drive and coolant system integrated into drive housing | Juergen Mackel, Johannes Droste | 2018-05-29 |
| 5989332 | Slurry containing an agglomerated carbonate-containing pigment | Hans-Joachim Weitzel, Claude Wermuth | 1999-11-23 |
| 5873935 | Coating color | Max Schachenmann | 1999-02-23 |
| 5634968 | Carbonate containing mineral fillers more particulary for use as matting agents | Harald Pfaller | 1997-06-03 |
| 5605568 | CaCO.sub.3 -talc coating pigment slurry, process of preparing the same, and use thereof | Christian Naydowski | 1997-02-25 |
| 5533678 | Method for the production of carbonates by wet grinding | Peter Belger | 1996-07-09 |
| 4767464 | Carbonate-containing mineral fillers, pigments and similar materials | Peter Belger, Heiner Hofer, Martin Merz | 1988-08-30 |
| 4284546 | Coating substances with a high concentration of solids, for coated papers | Pierre Delfosse | 1981-08-18 |
| 4279661 | Mineral filler, method of preparation and use thereof | Peter Belger | 1981-07-21 |
| 4212674 | Corrosion preventative pigment and composition | — | 1980-07-15 |
| 4191670 | Surface-treated mineral filler | Rüdiger Werner | 1980-03-04 |