Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4674922 | Apparatus and process for controlling a charging operation for a feed of particles of bulk material | Bernd Federhen, Manfred May | 1987-06-23 |
| 4620582 | Process for producing a casting mould and cast members | — | 1986-11-04 |
| 4592679 | Pneumatic conveying process and apparatus | Hans H. Boiting, Bernd Federhen | 1986-06-03 |