Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4765017 | Wiping device for wiping cover plates of headlights of motor vehicles | Josef Berger, Hans-Joachim Linhart, Martin Pfeiffer | 1988-08-23 |
| 4680009 | Apparatus for removing oversize from the hot material discharged from a rotary kiln used to produce sponge iron by a direct reduction of iron oxide containing materials | Alfred Breier, Manfred Schwalbach, Karl-Heinz Will, Alan B. H. Cameron, Peter C. Bates | 1987-07-14 |
| 4451232 | Nozzle block for rotary kilns | Karl-Heinz Gehrhardt, Leopold Uhl, Hartmut Wolert | 1984-05-29 |