| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 7 | |
| #2 | France | 5 | |
| #3 | Canada | 1 | |
| #4 | United Kingdom | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Materials and metallurgy | |
| #3 | Chemical engineering | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Details of furnaces | |
| #2 | Metal production and refining | |
| #3 | Separation | |
| #4 | General building constructions | |
| #5 | Non-metallic elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Erdmann Konrad Dr | 1 |
| #2 | Wilfried Geistler | 1 |
| #3 | Berlek Joseph | 1 |
| #4 | Geistler Wilfried Ing | 1 |
| #5 | Richter Adolf Dr Mont Ing | 1 |
| #6 | Carmann Josef Dr Mont Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2231498A | Mortarless masonry | |
| GB517443A | Improvements in and relating to the construction of mortarless refractory brickwork | |
| CA441120A | Caustic burned magnesia production |