Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7303686 | Method of separating suspension, in particular for waste water treatment, and an apparatus for performing the same | Vladimir Mackrle, Oldrich Dracka | 2007-12-04 |
| 7087175 | Method of separating suspension, in particular for waste water treatment | Vladimir Mackrle, Oldrich Dracka | 2006-08-08 |
| 5755966 | Method and apparatus for biological activation waste water treatment | Vladimir Mackrle | 1998-05-26 |
| 5720876 | Reactor for biological sewage purification | Vladimir Mackrle | 1998-02-24 |
| 5032276 | Method of biological activating water cleaning with fluid filtration | Vladimir Mackrle | 1991-07-16 |
| 4664794 | Apparatus for biological activating cleaning of waste waters containing nitrogenous materials | Vladimir Mackrle | 1987-05-12 |
| 4585556 | Arrangement for removal of sludge separated by flotation in the biological activating cleaning of waste waters using a fluid filtration | Vladimir Mackrle | 1986-04-29 |
| 4430215 | Arrangement for biological cleaning of water | Vladimir Mackrle, Oldrich Dracka | 1984-02-07 |
| 4390422 | Apparatus for the biological purification of water | Vladimir Mackrle, Oldrich Dracka | 1983-06-28 |
| 4341630 | Arrangement for separation of a suspension or emulsion from liquids by flotation | Milos V. Novotny | 1982-07-27 |