Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11578226 | Inkjet printing of wood colours | Rita Torfs, Marc Graindourze, Rene GEELEN | 2023-02-14 |
| 10265995 | Laser markable security articles and documents | Rene GEELEN, Anouschka Depla, Walther Wouters | 2019-04-23 |
| 6531269 | Color photographic silver halide material | Ralf Wirowski, Jan Haller, Stefan Herrmann | 2003-03-11 |
| 6194135 | Color photographic silver halide material | Cuong Ly, Stefan Amann, Dieter Rockser | 2001-02-27 |
| 6171773 | Color photographic print material | Peter Bergthaller, Edgar Draber, Jorg Hagemann, Ulrich Nickel | 2001-01-09 |
| 6040125 | High-speed color photographic recording material having increased sensitivity in the blue spectral region | Jorg Siegel, Hans-Ulrich Borst, Peter Bell, Ralf Buscher, Heinz Reif | 2000-03-21 |
| 5692370 | Gas turbine with combustor bypass valve | Franz Stuhlmuller, Herbert Teubner | 1997-12-02 |
| 5639124 | Tab arrangement | — | 1997-06-17 |
| 5391530 | Catalyst for removing nitrogen oxides from a waste gas, and process for the production of the catalyst | Bernd Nowitzki, Helmut Kretschmer | 1995-02-21 |
| 5267784 | Anti-locking control system | Elmar Lennox Muller, Werner Muller | 1993-12-07 |
| 5120690 | Process for the utilization of used DeNOx catalysts | Helmut Kretschmer, Rolf Muller | 1992-06-09 |
| 4583412 | Universal joint arrangement for forming a variable-velocity drive for driving a window cutter roller of an envelope machine | Gerd Ruttert | 1986-04-22 |