| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | France | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Sweden | 2 | |
| #5 | Germany | 1 | |
| #6 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Machines | |
| #3 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Foundry moulding | |
| #2 | Shaping of plastics | |
| #3 | Magnets and transformers | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wittmoser A | 4 |
| #2 | Wittmoser Adalbert | 4 |
| #3 | Hofmann Richard | 1 |
| #4 | Hofmann R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4877078A | Pattern for use in lost pattern foundry process | |
| GB1485852A | Production of casting moulds | |
| US3619866A | Magnetizable mass casting device | |
| GB1199277A | Mould material for the production of moulds | |
| US3452806A | Gasifiable feeders with cavity filling mandrels |