Kurt Stift
9Patents
6h-index
8Co-inventors
52Inventor score
Filing activity: Feb 19, 1975 → Nov 25, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4396421A | Method of, and arrangement for, producing molten pig iron or steel pre-material | Chemistry; Metallurgy | 22 | Expired |
| US4861369A | Process for gaining electric energy in addition to producing molten pig iron and an arrangement for carrying out the process | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4254167A | Process of treating sponge iron for protection against reoxidation and apparatus for carrying out the process | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4032121A | Process for the production of iron from iron ores and apparatus for carrying out said process | Chemistry; Metallurgy | 8 | Expired |
| US4001008A | Method and apparatus for the reduction of ores, especially iron ores | Chemistry; Metallurgy | 6 | Expired |
| US4384886A | Process for zinc removal from oxide-containing iron sources | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4407864A | Process for treating iron sponge | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4376139A | Process for treating metallic starting materials for smelting plants, particularly iron sponge particles | Emerging Cross-Sectional Technologies | 1 | Expired |
| US3991987A | Rotary kiln and hearth furnace | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.