David Leigh
9Patents
3h-index
7Co-inventors
46Inventor score
Filing activity: Mar 21, 2000 → Aug 17, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6322745A | Direct smelting vessel and direct smelting process | Emerging Cross-Sectional Technologies | 43 | Expired |
| US6989126B2 | Supplying solid feed materials for a direct smelting process | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7422622B2 | Supplying solid feed materials for a direct smelting process | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7494615B2 | Supplying solid feed materials for a direct smelting process | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US7700035B2 | Direct smelting plant and process | Emerging Cross-Sectional Technologies | 2 | Active |
| US7504065B2 | Direct smelting plant and process | Emerging Cross-Sectional Technologies | 1 | Active |
| US9172672B2 | Communication streams | Electricity | 0 | Active |
| US10038658B2 | Communication streams | Electricity | 0 | Active |
| US8938514B1 | Communication streams | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.