Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5059396 | Arrangement for optical measuring of concentration of substances | Dietrich W. Lubbers, Bernhard Schrader | 1991-10-22 |
| 5057431 | Device for optical measuring of physical dimensions and material concentrations | Dietrich W. Lubbers, Klaus-Peter Volkl | 1991-10-15 |
| 4889690 | Sensor for measuring physical parameters of concentration of particles | Dietrich W. Lubbers | 1989-12-26 |
| 4701697 | Arrangement for measuring potential differences | Dietrich W. Lubbers | 1987-10-20 |
| 4643877 | Fluorometer | Dietrich W. Lubbers | 1987-02-17 |
| 4597392 | Arrangement for measuring diffusing particles | Dietrich W. Lubbers | 1986-07-01 |
| RE31879 | Method and arrangement for measuring the concentration of gases | Dietrich W. Lubbers | 1985-05-07 |
| 4511660 | Process and arrangement for measuring ion strength | Dietrich W. Lubbers | 1985-04-16 |
| 4255053 | Photometer including auxiliary indicator means | Dietrich W. Lubbers | 1981-03-10 |