Harald Alff
9Patents
4h-index
22Co-inventors
57Inventor score
Filing activity: Jun 23, 1992 → Dec 20, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6773814B2 | Metal oxide particles coated with silicon dioxide | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5314533A | Aqueous emulsions containing organosilicon compounds for the impregnation of inorganic materials | Chemistry; Metallurgy | 19 | Expired |
| US5458923A | Process for impregnating a building material with an organosilicon compound | Chemistry; Metallurgy | 9 | Expired |
| US10384940B2 | Process for producing metal oxide powders by means of flame spray pyrolysis | Emerging Cross-Sectional Technologies | 4 | Active |
| US8535633B2 | Process for the production of doped metal oxide particles | Chemistry; Metallurgy | 4 | Active |
| US11434146B2 | Method for producing metal oxides by means of spray pyrolysis | Emerging Cross-Sectional Technologies | 1 | Active |
| US10204723B2 | Iron-silicon oxide particles having an improved heating rate | Chemistry; Metallurgy | 1 | Active |
| US7658907B2 | Titanium-aluminium mixed oxide powder | Chemistry; Metallurgy | 1 | Active |
| US8197791B2 | Aluminium oxide powder, dispersion and coating composition | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.