Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808108 | Method and apparatus for the heat treatment of fine-grained material | Peter Tiggesbaumker, Manfred Durr, Karl Krutzner, Wolfgang Rother, Karl Menzel +4 more | 1989-02-28 |
| 4720262 | Apparatus for the heat treatment of fine material | Manfred Durr, Karl Krutzner, Heinz-Werner Thiemeyer, Peter Tiggesbaumker, Wolfgang Rother | 1988-01-19 |
| 4592724 | Grate cooler and method of cooling | Manfred Durr, Georg Unland, Antonius Vering | 1986-06-03 |
| 4447966 | Rotary drum | Hans Mollenkopf, Reinhard Korting | 1984-05-15 |
| 4206836 | Drive for rotary kilns, mills and the like | Reinhard Korting | 1980-06-10 |
| 4193759 | Rotary kiln with a plurality of planetary cooling tubes | Antonius Vering, Bodo Ermer | 1980-03-18 |