OTV SA S.A.
10Patents
2Active
10Granted
35Portfolio score
Filing activity: Dec 19, 2002 → Dec 12, 2006 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7172701B2 | Water treatment method using an inorganic powder reagent with high specific surface area including a step of recycling said reagent | Emerging Cross-Sectional Technologies | 83 | Expired |
| US7815804B2 | Method for treating wastewater or produced water | Emerging Cross-Sectional Technologies | 53 | Active |
| US7311841B2 | Method for treating water by ballasted flocculation and decantation | Chemistry; Metallurgy | 28 | Expired |
| US7083715B2 | Method and plant for thickening sludge derived from water treatment by flocculation-decantation with ballasted floc | Chemistry; Metallurgy | 22 | Expired |
| US7678278B2 | Method of treating water with an inorganic powder reagent | Chemistry; Metallurgy | 19 | Active |
| US7407582B2 | Combination activated sludge—ballasted flocculation process | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7459086B2 | Method for treating water containing iron, manganese and arsenic | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7407584B2 | Regulating air velocity continuously injected into biological water treatment reactor | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7534343B2 | Device for collecting clarified water for a basin and corresponding basin | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7473365B2 | Method and installation for the biological treatment of water using activated sludge and comprising aeration regulation | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.