Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4764345 | Apparatus for the desulfurization and detoxification of flue gases | — | 1988-08-16 |
| 4741390 | Method and apparatus for heating, ventilating and exhaust air purifying of industrial buildings | — | 1988-05-03 |
| 4725222 | Process and apparatus for combustion of liquid and gaseous fuels with nitric oxide-free exhaust gas | — | 1988-02-16 |
| 4716844 | Process and device for the nitric oxide-free generation of steam with fossil fuels | — | 1988-01-05 |
| 4710487 | Diesel exhaust gas catalyst | — | 1987-12-01 |
| 4707341 | Catalyst for the burning and conversion of gases and higher hydrocarbons, and apparatus for the reduction of nitric oxides and afterburning of exhaust gas by means of such catalyst | Erwin Erdlen | 1987-11-17 |
| 4613583 | Catalyst for the burning and conversion of gases and higher hydrocarbons and method for producing the catalyst | Erwin Erdlen | 1986-09-23 |
| 4303495 | Recovery of liquid and gaseous hydrocarbons from raw materials containing hydrocarbons such as oil shale and coal | Alfred Behrmann, Herbert Gottschlich, Otto Abel | 1981-12-01 |
| 4300917 | Method for preventing adhesion or caking of hydrocarbon-containing raw materials | Alfred Behrmann | 1981-11-17 |
| 4280449 | Steam generator for a solar power plant | Konrad Kunstle, Kurt Reiter | 1981-07-28 |
| 4233036 | Process for preventing adhesion or caking of coal | Alfred Behrmann | 1980-11-11 |