Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5174985 | Process for the oxidation of water-insoluble organic compounds | Hans-Helmut Schwarz, Otto Immel, Hanno Henkel | 1992-12-29 |
| 5000853 | Process for the improved separation of clarified liquid from biomass in the biological treatment of sewage | Artur Reischl, Hanno Henkel | 1991-03-19 |
| 4988234 | Gulley closure | Hanno Henkel, Karl-Heinz Rudolph, Rolf Brockmann | 1991-01-29 |
| 4834003 | Combustion of aqueous sewage sludge by the fluidized bed process | Artur Reischl | 1989-05-30 |
| 4735725 | Process for the improved separation of clarified liquid from biomass in the biological treatment of sewage | Artur Reischl, Hanno Henkel | 1988-04-05 |
| 4287069 | Process for the improved working up of effluent | Artur Reischl, Kurt Mack | 1981-09-01 |