Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4936715 | Apparatus for pneumatically conveying bulk material | Manfred Wolf, Hans Hoppe, Dieter Heep | 1990-06-26 |
| 4909676 | Apparatus for pneumatically conveying bulk material | Dieter Heep, Hans Hoppe, Reinhard Ernst, Robert Storf | 1990-03-20 |
| 4861200 | Apparatus for pneumatically conveying bulk material | Paul Lubbehusen, Hans Hoppe | 1989-08-29 |
| 4715749 | Pneumatic transport conveyor | Hans Hoppe, Dieter Heep, Werner Miller | 1987-12-29 |
| 4461451 | Slide valve for container of bulk material | Dieter Heep | 1984-07-24 |