Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12427761 | Method for creating a proof print in a web-processing printing press | — | 2025-09-30 |
| 12409646 | Device for measuring elevated areas of the surface of a rotary body and system having the device | — | 2025-09-09 |
| 12055379 | Device for measuring elevations on the surface of a rotary body | — | 2024-08-06 |
| 12030300 | Printing machine with a twin printing unit and method of operating such a printing machine | Hans Schadl | 2024-07-09 |
| 11865830 | Method of operating a flexographic printing press, flexographic printing press, system and sleeve | — | 2024-01-09 |
| 11840059 | Device for measuring a surface of a rotary body or elevations thereof and system | — | 2023-12-12 |
| 11752756 | Method of operating a flexographic printing press, and system | — | 2023-09-12 |
| 11712886 | Device for measuring elevations on the surface of a rotary body and system | — | 2023-08-01 |
| 11712885 | Method of operating a flexographic printing press, flexographic printing press, system, flexographic printing forme and a sleeve for a flexographic printing forme | — | 2023-08-01 |
| 11524422 | Method of operating a flat-bed die cutter | — | 2022-12-13 |
| 10919289 | Printing machine with a twin printing unit and method for operating such a printing machine | — | 2021-02-16 |
| 9421585 | High-pressure cleaning appliance | Johannes Goetz | 2016-08-23 |
| 9283596 | High-pressure cleaning appliance | Peter Pfaff | 2016-03-15 |
| 9033258 | High-pressure cleaning apparatus | Peter Pfaff | 2015-05-19 |
| 8714168 | High-pressure cleaning appliance | — | 2014-05-06 |
| 8555902 | High-pressure cleaning appliance with movable channel constriction section | Michael Boehm, Peter Pfaff | 2013-10-15 |
| 6045763 | Process for working up ammoniacal metal solutions including treating the wash water with an organic extraction solution | Ralf Kehl | 2000-04-04 |
| 5632963 | Process for the removal of impurity elements from solutions of valuable metals | Ralf Kehl | 1997-05-27 |
| 5260039 | Process for the two-phase extraction of metal ions from phases containing solid metal oxides, agents and the use thereof | Ralf Kehl | 1993-11-09 |
| 5039496 | Process for selective extraction of contaminant elements from mixtures of electrolytes in solution | Ralf Kehl, Robert B. Sudderth, Gary A. Korkosky | 1991-08-13 |
| 4834951 | Common separation of contaminating elements from electrolyte solutions of valuable metals | Ralf Kehl | 1989-05-30 |
| 4820417 | Use of citric acid partial esters for the extraction of iron | Willi Buchmeier, Ralf Kehl | 1989-04-11 |