Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5248197 | Blending silo with compartmentalized funnel | Robert Storf, Norbert Wohnhas | 1993-09-28 |
| 5201441 | Rotary feeder with improved seal arrangement between the lateral rotor disk and the pertaining bearing cover | Walter Beirle, Rudolf Fühl | 1993-04-13 |
| 4936715 | Apparatus for pneumatically conveying bulk material | Manfred Wolf, Dieter Heep, Norbert Eberhard | 1990-06-26 |
| 4909676 | Apparatus for pneumatically conveying bulk material | Dieter Heep, Norbert Eberhard, Reinhard Ernst, Robert Storf | 1990-03-20 |
| 4861200 | Apparatus for pneumatically conveying bulk material | Paul Lubbehusen, Norbert Eberhard | 1989-08-29 |
| 4859067 | Bulk material mixer | Theodor Breucker, Reinhard Ernst, Robert Storf | 1989-08-22 |
| 4756624 | Circulation mixer for bulk material | Reinhard Koppers | 1988-07-12 |
| 4715749 | Pneumatic transport conveyor | Dieter Heep, Norbert Eberhard, Werner Miller | 1987-12-29 |
| 4715951 | Apparatus for separating granulate material | Wolfgang Krambrock | 1987-12-29 |
| 4528092 | Air classifier | Wolfgang Krambrock | 1985-07-09 |
| 4478517 | Process and gravity feed mixer for mixing bulk materials in a container | Helmut Bercx, Wolfgang Siegel | 1984-10-23 |
| 4305983 | Thin walled tubing formed of a melt spinnable synthetic polymer and process for the manufacturing thereof | Karl Ostertag | 1981-12-15 |
| 4285898 | Process for the manufacture of monofilaments | Karl Ostertag | 1981-08-25 |