| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Furnaces | |
| #2 | Details of furnaces | |
| #3 | Special electric heating or lighting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Saarivirta Matti Johannes | 7 |
| #2 | Lahtinen Kalervo Johan | 6 |
| #3 | Lahtinen K J | 2 |
| #4 | Saarivirta M J | 2 |
| #5 | Matei Yohanesu Saaribaata | 1 |
| #6 | Saarivirta Matti J | 1 |
| #7 | Karerubo Jiyohan Rateinen | 1 |
| #8 | Lahtinen Kalervo J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DK407780A | Melt and furniture | |
| JPS5647266A | Melting casting device | |
| DE2725884A1 | MELTING AND CASTING DEVICE |