Fan Liu
18Patents
3h-index
60Co-inventors
63Inventor score
Filing activity: Jan 14, 1998 → Jul 23, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6183777A | Controlled release tacrine dosage form | Human Necessities | 21 | Expired |
| US9528042B1 | Drilling fluid additive composition and super high temperature super high density clay-free oil-in-water drilling fluid | Chemistry; Metallurgy | 7 | Active |
| US9790415B1 | Modified silicon dioxide nano-particles and preparation method thereof, and drilling fluid suitable for shale gas wells | Chemistry; Metallurgy | 5 | Active |
| US9481822B1 | Drilling fluid additive composition and high temperature resistant clay-free whole-oil-based drilling fluid | Chemistry; Metallurgy | 3 | Active |
| US9783725B1 | Drilling fluid additive composition and water-based drilling fluid suitable for horizontal shale gas wells | Chemistry; Metallurgy | 2 | Active |
| US9790417B1 | High-density water-based drilling fluid suitable for horizontal shale gas wells | Chemistry; Metallurgy | 2 | Active |
| US12215274B1 | Resin slurry plugging system suitable for fractured-vuggy formation and preparation and use thereof | Chemistry; Metallurgy | 1 | Active |
| US9745501B1 | Additive composition suitable for viscosity reduction of oil-based drilling fluid, oil-based drilling fluid and use thereof | Chemistry; Metallurgy | 1 | Active |
| US9834717B1 | Drilling fluid additive composition and pseudo oil-based drilling fluid suitable for horizontal shale gas wells | Chemistry; Metallurgy | 1 | Active |
| US9783726B1 | Environment-friendly water-based drilling fluid applicable to horizontal shale gas wells | Chemistry; Metallurgy | 1 | Active |
| US10000684B2 | Drilling fluid additive composition, and oil-based drilling fluid and use thereof | Chemistry; Metallurgy | 0 | Active |
| US8835453B2 | Sustained release implant for granisetron | Human Necessities | 0 | Active |
| US10253237B1 | Film former used for coal-bed gas well drilling and preparation method thereof, drilling fluid and usage thereof | Chemistry; Metallurgy | 0 | Active |
| US9890318B1 | Drilling fluid additive composition and water-based drilling fluid suitable for high-pressure plugging | Chemistry; Metallurgy | 0 | Active |
| US10266744B2 | Accelerator used for drilling fluids, water-based drilling fluid and usage thereof | Chemistry; Metallurgy | 0 | Active |
| US10030188B2 | Nano-hybrid lubricant and method thereof, and oil-based drilling fluid | Chemistry; Metallurgy | 0 | Active |
| US8058236B2 | Aqueous inhalation pharmaceutical composition | Human Necessities | 0 | Expired |
| US10336931B2 | Use of dual-cation fluorocarbon surfactant as amphiphobic wettability reversal agent in drilling fluid | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.