| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 2 | |
| #2 | Austria | 1 | |
| #3 | Canada | 1 | |
| #4 | Switzerland | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | Israel | 1 | |
| #7 | Italy | 1 | |
| #8 | Japan | 1 | |
| #9 | Netherlands | 1 | |
| #10 | Sweden | 1 | |
| #11 | USSR (Union of Socialist Soviet Republics) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Foundry moulding |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wustrow Karl | 3 |
| #2 | Wustrow K | 1 |
| #3 | Kaaru Busutoroo | 1 |
| #4 | Wustrow Karl Ing | 1 |
| #5 | Vustrov Karl | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2937414B1 | Core receiving device | |
| DE2643525A1 | CORE FOR THE MANUFACTURING OF THIN-CHANNELED CASTINGS |