Voest-Alpine Akt.
4Patents
0Active
4Granted
25Portfolio score
Filing activity: Nov 14, 1985 → Sep 21, 1987
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4728360A | Process for the production of molten pig iron and steel pre-products | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4699655A | Process and a plant for the direct reduction of iron oxide particles in a shaft furnace and for smelting the obtained iron sponge particles in a meltdown gasifier | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4805880A | Fluidized bed arrangement for the production of molten pig iron and steel pre-products | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4708736A | Method of producing molten pig iron or steel pre-products from particulate ferrous material | Chemistry; Metallurgy | 8 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.