| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | Austria | 3 | |
| #3 | United States | 2 | |
| #4 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Measurement | |
| #3 | Chemical engineering | |
| #4 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Milling | |
| #2 | Analysing materials | |
| #3 | Drying solid materials by removing liquid | |
| #4 | Furnaces |
| # | Name | Total Patents |
|---|---|---|
| #1 | Guggenheimer Kurt | 4 |
| #2 | Debour Theo | 2 |
| #3 | Porr Karl-Heinz | 2 |
| #4 | Russ Karl | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2239099A1 | RUST BASKET FOR HAMMER CRUSHER | |
| DE2239098A1 | DEVICE FOR DRYING MOIST REGRIND | |
| DE1902327A1 | Firing cement raw materials in a shaft - furnace | |
| DE1507484A1 | Method and installation for grinding cement containing moist components |