| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Austria | 2 | |
| #3 | Belgium | 2 | |
| #4 | Switzerland | 2 | |
| #5 | France | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Shaping clay | |
| #2 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kraemer Alois | 5 |
| Publication | Filing date | Title |
|---|---|---|
| DE3038323A1 | Concrete roof beam prodn. mould - retracts trough forming cores at right angles to trough long direction | |
| BE885864Q | Concrete form for the manufacture of concrete ceiling beams | |
| BE885502Q | Low range ceiling combined with prefabricated concrete elements |