AQUATECH INTERNATIONAL, LLC
23Patents
19Active
23Granted
48Portfolio score
Filing activity: Dec 19, 2002 → Dec 3, 2018 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7591309B2 | Method for production of high pressure steam from produced water | Mechanical Engineering; Lighting; Heating | 54 | Expired |
| US6896814B2 | Fractional deionization process | Chemistry; Metallurgy | 28 | Expired |
| US8980100B2 | Low energy reverse osmosis process | Emerging Cross-Sectional Technologies | 25 | Active |
| US8092656B2 | Method and apparatus for high efficiency evaporation operation | Emerging Cross-Sectional Technologies | 13 | Active |
| US7338600B2 | Fractional deionization process | Chemistry; Metallurgy | 12 | Expired |
| US8469091B2 | Method for production of high purity distillate from produced water for generation of high pressure steam | Emerging Cross-Sectional Technologies | 12 | Active |
| US9738553B2 | Process for purification of produced water | Chemistry; Metallurgy | 11 | Active |
| US9085471B2 | Method and apparatus for recycling water | Emerging Cross-Sectional Technologies | 7 | Active |
| US10538445B2 | Process for purification of produced water | Chemistry; Metallurgy | 7 | Active |
| US8104624B2 | Preparation of high performance ultra filtration hollow fiber membrane | Performing Operations; Transporting | 7 | Active |
| US8062530B2 | Method for treatment of high pH/silica brines | Chemistry; Metallurgy | 5 | Active |
| US7163964B2 | Method for preparing an ion exchange media | Chemistry; Metallurgy | 5 | Expired |
| US8424688B2 | Preparation of high performance ultra filtration hollow fiber membrane | Performing Operations; Transporting | 5 | Active |
| US8776879B2 | Method for production of high purity distillate from produced water for generation of high pressure steam | Emerging Cross-Sectional Technologies | 3 | Active |
| US10173914B2 | Method and apparatus for selenium removal from high TDS wastewater | Emerging Cross-Sectional Technologies | 3 | Active |
| US9120685B2 | Method for recycling deoiled water using counterflow falling-film evaporators | Chemistry; Metallurgy | 3 | Active |
| US11008237B2 | Method of treating high strength wastewater by anaerobic bio reactor | Emerging Cross-Sectional Technologies | 0 | Active |
| US11434150B2 | Method and apparatus for advanced vacuum membrane distillation | Emerging Cross-Sectional Technologies | 0 | Active |
| US9095822B2 | Split flow EDI apparatus for treating second pass RO permeate water with high flow rate | Chemistry; Metallurgy | 0 | Active |
| US11180397B2 | Salt production from wastewater | Emerging Cross-Sectional Technologies | 0 | Active |
| US8753509B2 | Advanced filtration device for water and wastewater treatment | Performing Operations; Transporting | 0 | Active |
| US10773985B2 | Method and apparatus for selenium removal from high TDS wastewater | Emerging Cross-Sectional Technologies | 0 | Active |
| US7705061B2 | Method for preparing an ion exchange media | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.