Werner Kepplinger
32Patents
11h-index
36Co-inventors
75Inventor score
Filing activity: Jul 11, 1979 → Dec 28, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4978387A | Process for the production of molten pig iron | Emerging Cross-Sectional Technologies | 25 | 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 |
| US4588437A | Method for producing molten pig iron or steel pre-products in a melt-down gasifier | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4725308A | Process for producing molten pig iron or steel pre-products | Chemistry; Metallurgy | 17 | Expired |
| US5584910A | Process for producing molten pig iron or molten steel pre-products | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5961690A | Process for producing molten pig iron of liquid steel preproducts and plant for carrying out the process | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4728360A | Process for the production of molten pig iron and steel pre-products | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5238487A | Process for the production of pig iron and sponge iron | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4878943A | Process of dezincifying a material flow when operating a pig-iron production plant | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5762681A | Fluidized bed type reduction apparatus for iron ores and method for reducing iron ores using the apparatus | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5948139A | Process for the production of molten pig iron or steel pre-products and a plant for carrying out the process | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4354826A | Process of drying and calcining bulk materials | Mechanical Engineering; Lighting; Heating | 10 | 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 |
| US5535991A | Plant for producing molten pig iron or molten steel pre-products | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6241801A | Method for treating particulate material in the fluidized bed method and vessel and plant for carrying out the method | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5989309A | Method for injecting fine iron ore in smelting reducing process | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6264722A | Process for producing liquid pig iron or intermediate steel products and installation for implementing it | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5534046A | Process for producing molten pig iron or molten steel pre-products | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4690387A | Metallurgical plant for producing a mixed gas | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6030432A | Process for reducing ore fines and arrangement for carrying out the process | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5858058A | Process and plant for avoiding metal dusting in the direct reduction of iron-oxide-containing materials | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4740240A | Smelting process for recovering metals from fine-grained non-ferrous metal sulfide ores or concentrates | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6454833B1 | Process for producing liquid pig iron or semifinished steel products from iron-containing materials | Chemistry; Metallurgy | 4 | Expired |
| US6235082A | Process for producing liquid metal and facilities for carrying out the process | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.