Philippe Lefevre
25Patents
6h-index
22Co-inventors
69Inventor score
Filing activity: Dec 6, 1984 → Jan 21, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6743447B2 | Pulverulent mannitol and process for preparing it | Human Necessities | 64 | Expired |
| US4621250A | Rotary potentiometer, particularly for measuring angular position | Electricity | 39 | Expired |
| US5773604A | Polyol composition, process for its preparation and its applications | Chemistry; Metallurgy | 16 | Expired |
| US6417346B1 | Process for preparing a noncrystallizable polyol syrup | Chemistry; Metallurgy | 14 | Expired |
| US6184213A | Diluent and disintegrating composition, its method of achievement and its use | Chemistry; Metallurgy | 12 | Expired |
| US4581183A | Packing device for an installation putting a liquid and a gas in contact | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6274778A | Pulverulent sorbitol and its process of preparation | Chemistry; Metallurgy | 4 | Expired |
| US6528069B1 | Concentrated polyol composition | Chemistry; Metallurgy | 3 | Expired |
| US6527868B2 | Dextrose in powder form and a process for the preparation thereof | Chemistry; Metallurgy | 3 | Expired |
| US6365789B2 | Pulverulent sorbitol and its process of preparation | Chemistry; Metallurgy | 3 | Expired |
| US6451122B1 | Dextrose in powder form and a process for the preparation thereof | Chemistry; Metallurgy | 2 | Expired |
| US6387402B1 | Pulverulent sorbitol and its process of preparation | Chemistry; Metallurgy | 2 | Expired |
| US9937131B2 | Compressible and free-flow co-agglomerates of mannitol and granular starch | Human Necessities | 2 | Active |
| US4668321A | Method of manufacturing a packing device for an installation putting a liquid and a gas in contact | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8101806B2 | Granulated sorbitol and process for its preparation | Emerging Cross-Sectional Technologies | 1 | Active |
| US9839610B2 | Orodispersible mannitol | Human Necessities | 1 | Active |
| US8652513B2 | Film-forming starchy composition | Human Necessities | 1 | Active |
| US6881432B2 | Dextrose hydrate in powder form and a process for the preparation thereof | Human Necessities | 1 | Expired |
| US10828256B2 | Mannitol granules for direct compression | Performing Operations; Transporting | 0 | Active |
| US8940393B2 | Mannitol crystal powder having a low fine-particle content, and method for producing same | Emerging Cross-Sectional Technologies | 0 | Active |
| US9220684B2 | High-fluidity and non-caking pulverulent crystalline maltitol composition | Human Necessities | 0 | Active |
| US9234049B2 | Compressible, highly viscous polysaccharide and polyol powder | Emerging Cross-Sectional Technologies | 0 | Active |
| US11364204B2 | Compressible and free-flow co-agglomerates of mannitol and granual starch | Human Necessities | 0 | Active |
| US4759724A | Housing for an electrical device | Electricity | 0 | Expired |
| US10105314B2 | Orodispersible mannitol | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.