| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 3 | |
| #2 | Brazil | 1 | |
| #3 | China | 1 | |
| #4 | Republic of Korea | 1 | |
| #5 | Mexico | 1 | |
| #6 | Poland | 1 | |
| #7 | Sweden | 1 | |
| #8 | United States | 1 | |
| #9 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Measurement | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Casting metal | |
| #2 | Pig-iron processing | |
| #3 | Alloys | |
| #4 | Details of furnaces | |
| #5 | Analysing materials | |
| #6 | Foundry moulding |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sillen Rudolf | 9 |
| #2 | Sill N Rudolf Valentin | 1 |
| #3 | Fransson H Kan | 1 |
| #4 | Pettersson Kjell | 1 |
| #5 | Rudolf Sillen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN101341262A | Process for production of compacted graphite iron |