| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 10 | |
| #2 | Switzerland | 6 | |
| #3 | Germany | 5 | |
| #4 | Canada | 2 | |
| #5 | Denmark | 2 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Foundry moulding | |
| #2 | Fillers | |
| #3 | Preparation of materials | |
| #4 | Shaping of plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Croning Johannes | 20 |
| #2 | Johannes Croning | 4 |
| #3 | Michael John Sargeaunt | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA390431A | Mould core for metal castings | |
| CA323597A | Metal casting process |