Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4352568 | Twin-screw machine with screws rotatable in the same direction | Karl-Dieter Lohr, Erhard Tresper | 1982-10-05 |
| 4318677 | Small volume outlet apparatus with a sieve changing device for multiple shaft screw machines | Heinz Gemperlein | 1982-03-09 |
| 4318773 | Process for the concentration of solutions with simultaneous setting | Manfred Hederich, Karl-Friedrich Jerchel | 1982-03-09 |