Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7330262 | Methods and apparatus for determining the content materials of a liquid employing a piston movable within a measuring chamber | Achim Gahr | 2008-02-12 |
| 6197256 | Device for analyzing fluid samples | — | 2001-03-06 |
| 6114172 | Process and device for determining the biological oxygen demand of sewage | — | 2000-09-05 |
| 5324666 | Process for determining oxidizable substances contained in an aqueous sample liquid | Michael Teutscher | 1994-06-28 |
| 4898829 | Apparatus for the detection of biodegradable and toxic substances in aqueous solutions | Michael Teutscher | 1990-02-06 |
| 4748127 | Process for the detection of biodegradable and toxic substances in aqueous solutions | Michael Teutscher | 1988-05-31 |