| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 12 | |
| #2 | United Kingdom | 4 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Chemical engineering | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Foundry moulding | |
| #2 | Mixing | |
| #3 | Cooling of machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Samm Gustav | 4 |
| Publication | Filing date | Title |
|---|---|---|
| GB501227A | Improvements in machines for preparing moulding sand | |
| GB474517A | Moulding-sand mixing machine | |
| GB458237A | Moulding-sand mixing machine | |
| GB321899A | Improvements in and relating to centrifugal mixing machines for sand and the like |