Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838071 | Method of determining the filling capacity of and calibrating a pneumatic conveying arrangement | Ernst-Martin Hoppe | 1989-06-13 |
| 4783011 | Method and apparatus for the two-stage crushing of brittle material for grinding | Gotthardt Blasczyk, Norbert Patzelt, Heinz-Georg Mersmann, Hardy Kropf | 1988-11-08 |
| 4783012 | Method and apparatus for the two-stage crushing of brittle material for grinding | Gotthardt Blasczyk, Norbert Patzelt, Heinz-Georg Mersmann, Hardy Kropf | 1988-11-08 |
| 4730957 | Method of calibrating a pneumatic conveying apparatus | — | 1988-03-15 |