Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11235376 | Method and device for regenerating foundry sand | Markus Jendrock, Enno Schulte | 2022-02-01 |
| 6802685 | Device and method for inwardly transferring bulk material into a pneumatic conveyor line | — | 2004-10-12 |
| 5464310 | Conveyor conduit for bulk material to be pneumatically conveyed | — | 1995-11-07 |
| 5393138 | Apparatus for mixing foundry mould substances | — | 1995-02-28 |
| 5259434 | Method of regenerating used foundry sands | — | 1993-11-09 |
| 5224802 | Method and apparatus for controlling the infeed of air into the conveyor conduit of a pneumatic conveyor installation | Manfred May | 1993-07-06 |
| 5082024 | Valve assembly including a hollow conduit | Manfred May | 1992-01-21 |
| 4955761 | Process for pneumatically conveying material and apparatus for controlling the feed of air therefor | Manfred May | 1990-09-11 |
| 4850751 | Method and apparatus for introducing bulk material into a pneumatic conveyor conduit | Manfred May | 1989-07-25 |
| 4674922 | Apparatus and process for controlling a charging operation for a feed of particles of bulk material | Manfred May, Gerhard Muller-Spath | 1987-06-23 |
| 4592679 | Pneumatic conveying process and apparatus | Hans H. Boiting, Gerhard Muller-Spath | 1986-06-03 |