Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644859 | Supporting roller set for tiltable support of a rotary drum | Johannes Auf dem Venne, Bernhard Peterwerth, Gerhard Kastingschafer | 2003-11-11 |
| 6638058 | Tubular burner for industrial furnaces | Sebastian Mainusch, Gerhard Kastingschafer, Thomas Woestmann, Andreas Kroner, Oliver Wilde | 2003-10-28 |
| 5613782 | Supporting roller bearing | Ludger Rubbelke, Hans auf dem Venne | 1997-03-25 |
| 4447966 | Rotary drum | Hans Mollenkopf, Jurgen Wurr | 1984-05-15 |
| 4320586 | Rotary drum | — | 1982-03-23 |
| 4206836 | Drive for rotary kilns, mills and the like | Jurgen Wurr | 1980-06-10 |