Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5951842 | Process for monitoring the electrolyte circulation in an electrolysis cell | — | 1999-09-14 |
| 5689747 | Device for interfacing between a film developing device and silver recovery unit | Andreas Jeutter | 1997-11-18 |
| 5685962 | Apparatus for silver recovery | — | 1997-11-11 |
| 5480769 | Method and apparatus for controlling electrolytic silver recovery for two film processing machines | Franz Huettemeister | 1996-01-02 |
| 5451298 | Method and device for the electrolytic recovery of silver in two film processing machines | — | 1995-09-19 |
| 5427877 | Method and apparatus for controlling an automatic silver recovery system for a photographic processor | Andrew Green, Gerd Hoitz | 1995-06-27 |
| 5311236 | Process and device for the feeding of fluid additives, and in particular the feeding of replenishers to a photographic processing fluid | Andrew Green | 1994-05-10 |