Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5169611 | Method of purifying the exhaust gases from plants for the production of cement clinker | Detlev Kupper, Wolfgang Rother, Rainer Schutte | 1992-12-08 |
| 5054694 | Method and apparatus for crushing material for grinding | Osbert R. Knobloch, Ludger Kimmeyer, Manfred Muller, Peter Wenningkamp | 1991-10-08 |