Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9938196 | Method and a system for producing a lightweight ceramic aggregate, particularly from coal ash | Krzysztof Luczaj, Krzysztof Jan Switka, Michal Kabacinski | 2018-04-10 |
| 9310131 | Counter-current shaft, shelf-type dryer with moving shelves for drying agglomerates of a small mechanical strength | Krzysztof Luczaj, Bogdan Dabrowski, Krzysztof Jan Switka | 2016-04-12 |
| 5179845 | Heat exchanger | Kenichi Sasaki | 1993-01-19 |