Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790708 | Device for emptying containers | Christoph von Bennigsen-Mackiewicz | 1988-12-13 |
| 4738289 | Apparatus for weighing granular or pulverulent bulk goods | Christoph von Bennigsen-Mackiewicz | 1988-04-19 |
| 4371117 | Production of powdered sugar | Christoph von Bennigsen-Mackiewicz | 1983-02-01 |
| 4269548 | Apparatus for measuring and controlling flow of pulverulent material | Christoph von Bennigsen-Mackiewicz | 1981-05-26 |
| 4213855 | Sifting equipment for fine-grained bulk material, particularly flour | Christoph von Bennigsen-Mackiewicz | 1980-07-22 |