Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5293841 | Arrangement for utilizing the heat contained in the exhaust gas of a coal-fired boiler | Ludwig Suhr | 1994-03-15 |
| 5094826 | Method and arrangement for the denitrification and desulfurization of hot waste gases, particularly from furnaces | Clemens Ruff, Ludwig Suhr | 1992-03-10 |
| 5086831 | Arrangement for the catalytic oxidation of the harmful components in a cooled carrier gas of a technical process | Werner Rudowski, Clemens Ruff | 1992-02-11 |
| 4997036 | Heat exchanger tube | Heinrich Schulze | 1991-03-05 |
| 4715432 | Air-cooled tube condenser | — | 1987-12-29 |
| 4691766 | Finned tube arrangement for heat exchangers | Dieter Wurz | 1987-09-08 |
| 4622183 | Device for transferring cooling water of a wet or wet/dry cooling tower to recirculation means | Hans Sonnenschein | 1986-11-11 |
| 4619671 | Energy transfer device for desulfurizing installation | Klemens Ruff, Ludwig Suhr | 1986-10-28 |