Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4457082 | Heat exchanger | Wilfried Kreft, Wolfgang Rother, Peter Tiggesbaumker, Karl Menzel, Heinrich Weber | 1984-07-03 |
| 4213790 | Process for the production of cement in a fluidized bed | Klaus Bauer, Wolf Goldmann, Horst Kretzer, Heinrich Weber, Rudiger Beyer +6 more | 1980-07-22 |