Jean-Luc Roth
26Patents
3h-index
35Co-inventors
63Inventor score
Filing activity: Sep 13, 1982 → Mar 17, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5851263A | Process for smelting steel in an electric arc furnace, and electric arc furnace for its implementation | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4745252A | Device for the homogenization of the temperature of passing metallic products | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4462792A | Reheating metal bodies with recovered blast-furnace energy | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5562753A | Method and installation for producing molten steel from ferrous materials rich in carbonaceous materials | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6464752B1 | Method for producing directly reduced, desulphurized iron | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6314123A | Method for continuous smelting of solid metal products | Chemistry; Metallurgy | 2 | Expired |
| US6383252B1 | Method for the heat treatment of residues containing heavy metals | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6635096B1 | Method for optimizing the operating conditions of a submerged arc furnace | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6413469B1 | Method and installation for ladle treatment of steel | Chemistry; Metallurgy | 2 | Expired |
| US8545597B2 | Method for operating a blast furnace and blast furnace installation | Emerging Cross-Sectional Technologies | 2 | Active |
| US7169205B2 | Method for producing a melt iron in an electric furnace | Chemistry; Metallurgy | 2 | Expired |
| US8088192B2 | Recovery of residues containing copper and other valuable metals | Emerging Cross-Sectional Technologies | 1 | Active |
| US8550811B2 | Method for feeding hot gas to a shaft furnace | Emerging Cross-Sectional Technologies | 1 | Active |
| US5868816A | Process for adjusting the composition of a liquid metal such as steel, and plant for its implementation | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5316270A | Device for the charging of materials into a furnace and the preheating of these | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6582492B1 | Method for producing melt iron | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6452955B1 | Method for feeding fines or granules into a light-arc furnace | Emerging Cross-Sectional Technologies | 1 | Expired |
| USRE37897E1 | Method for making steel in a liquid melt-fed electric furnace | General | 1 | Expired |
| US6238452A | Method for making steel in a liquid melt-fed electric furnace | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7951220B2 | Method for recovering molybdenium, nickel, cobalt or their mixtures from used or regenerated catalysts | Emerging Cross-Sectional Technologies | 0 | Active |
| US7951221B2 | Process for the treatment of contaminated metal residues and apparatus for implementing it | Emerging Cross-Sectional Technologies | 0 | Active |
| US6945077B2 | Method for treating steel plant slag | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6516632B1 | Device for wet granulation of liquid-slag | Chemistry; Metallurgy | 0 | Expired |
| US7935174B2 | Treatment of steel plant sludges in a multiple-stage furnace | Emerging Cross-Sectional Technologies | 0 | Expired |
| US12392012B2 | Method for recovering metals contained in spent catalysts from ferro-alloys | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.