Ivan Ratchev
12Patents
5h-index
14Co-inventors
55Inventor score
Filing activity: Jun 20, 2002 → Feb 12, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6663763B2 | Reduction of metal oxides in an electrolytic cell | Chemistry; Metallurgy | 21 | Expired |
| US7156974B2 | Method of manufacturing titanium and titanium alloy products | Chemistry; Metallurgy | 9 | Expired |
| US7470355B2 | Electrochemical reduction of metal oxides | Chemistry; Metallurgy | 7 | Expired |
| US7208075B2 | Reduction of metal oxides in an electrolytic cell | Chemistry; Metallurgy | 6 | Expired |
| US7585350B2 | Production of ferronickel | Emerging Cross-Sectional Technologies | 5 | Active |
| US7597738B2 | Production of ferro-nickel or nickel matte by a combined hydrometallurgical and pyrometallurgical process | Emerging Cross-Sectional Technologies | 5 | Active |
| US6811678B2 | Electrochemical reduction of beryllium oxide in an electrolytic cell | Chemistry; Metallurgy | 3 | Expired |
| US7935171B2 | Production of metallic nickel with low iron content | Emerging Cross-Sectional Technologies | 2 | Active |
| US7918985B2 | Reduction of metal oxides in an electrolytic cell | Chemistry; Metallurgy | 0 | Expired |
| US7758740B2 | Electrochemical reduction of metal oxides | Chemistry; Metallurgy | 0 | Active |
| US7628904B2 | Minimising carbon transfer in an electrolytic cell | Chemistry; Metallurgy | 0 | Expired |
| US8460429B2 | Production of nickel | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.