Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5851399 | Process and arrangement for biodegrading pollutants in water | — | 1998-12-22 |
| 5302298 | Process and installation for treating liquids charged with pollutants | — | 1994-04-12 |
| 4981656 | Device for the production of ozone | — | 1991-01-01 |
| 4656010 | Device for producing ozone | Ewald Wolf | 1987-04-07 |
| 4604279 | Process for producing ozone | Ewald Wolf | 1986-08-05 |
| 4252654 | Process for water treatment | Arnold Gietmann | 1981-02-24 |
| 4183728 | Process for determining the ozone content of ozone-containing gas mixtures | Josef Cremer, Erhard Albrecht | 1980-01-15 |