Sanaa E. Khalafalla
13Patents
6h-index
9Co-inventors
55Inventor score
Filing activity: Aug 27, 1974 → Jul 18, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4208294A | Dilution stable water based magnetic fluids | Electricity | 26 | Expired |
| US3933608A | Method for the decomposition of hydrogen sulfide | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4910010A | Method for accelerating recovery of selenium from aqueous streams | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4765415A | Isoelectric drilling method | Fixed Constructions | 7 | Expired |
| US4385998A | Removal of suspended solids from water | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4959164A | Rock fragmentation method | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4181607A | Removal of asbestos fibers from water | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5196401A | Method of enhancing rock fragmentation and extending drill bit life | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4053575A | Sulfur recovery from H.sub.2 S and SO.sub.2 -containing gases | Chemistry; Metallurgy | 4 | Expired |
| US4295971A | Method for clarifying slimes | Chemistry; Metallurgy | 3 | Expired |
| US4306905A | Production of ferrochromium alloys | Chemistry; Metallurgy | 2 | Expired |
| US4435302A | Concentrating and reclaiming magnetic fluids | Electricity | 2 | Expired |
| US4208379A | Recovery of metals from Atlantic sea nodules | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.