Fredrik Ohman
10Patents
3h-index
12Co-inventors
53Inventor score
Filing activity: Sep 8, 2005 → Nov 22, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8486224B2 | Method for separating lignin from black liquor | Emerging Cross-Sectional Technologies | 9 | Active |
| US8172981B2 | Separating lignin from black liquor by precipitation, suspension and separation | Chemistry; Metallurgy | 6 | Active |
| US9382389B2 | Method for separating lignin from black liquor, a lignin product, and use of a lignin product for the production of fuels or materials | Emerging Cross-Sectional Technologies | 4 | Active |
| US8815052B2 | Method for separating lignin from a lignin containing liquid/slurry | Textiles; Paper | 3 | Active |
| US10232876B2 | Method, system and computer program for controlling propulsion of a drilling rig as well as a drilling rig | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10836666B2 | Method for oxidation of a liquid phase in a hydrothermal carbonization process | Emerging Cross-Sectional Technologies | 1 | Active |
| US9175438B2 | Method for lignin separation from black liquor involving multiple acidification steps | Emerging Cross-Sectional Technologies | 1 | Active |
| US11999921B2 | Hydrothermal carbonization of sludge including recycling of a wet-oxidized fraction | Emerging Cross-Sectional Technologies | 0 | Active |
| US11724952B2 | Method and system for hydrothermal carbonization and wet oxidation of sludge | Emerging Cross-Sectional Technologies | 0 | Active |
| US9777033B2 | Method for lignin separation from black liquor | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.