Lev Davydov
45Patents
5h-index
47Co-inventors
69Inventor score
Filing activity: Aug 1, 2001 → Apr 28, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US11214741B2 | Fluid catalytic cracking process for cracking multiple feedstocks | Chemistry; Metallurgy | 28 | Active |
| US8268049B2 | Vapor-liquid contacting apparatuses having a secondary absorption zone with vortex contacting stages | Performing Operations; Transporting | 15 | Active |
| US9783749B2 | Process and apparatus for cracking hydrocarbons with recycled catalyst to produce additional distillate | Chemistry; Metallurgy | 12 | Active |
| US6761863B2 | Process for the removal of impurities from gas streams | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6585863B2 | Photocatalytic degradation of organic compounds | Emerging Cross-Sectional Technologies | 10 | Expired |
| US8747758B2 | Process and apparatus for mixing two streams of catalyst | Performing Operations; Transporting | 5 | Active |
| US8747759B2 | Process and apparatus for mixing two streams of catalyst | Performing Operations; Transporting | 4 | Active |
| US8877132B2 | Baffles for improving riser hydrodynamics | Chemistry; Metallurgy | 4 | Active |
| US8747657B2 | Process and apparatus for mixing two streams of catalyst | Performing Operations; Transporting | 4 | Active |
| US9266103B1 | Catalyst regenerators and methods for regenerating catalysts | Performing Operations; Transporting | 4 | Active |
| US8282887B2 | Multi-stage fluidized bed reactor for dehydrogenation of hydrocarbons | Chemistry; Metallurgy | 3 | Active |
| US8895797B2 | Process for dehydrogenation of hydrocarbons in a multi-stage fluidized bed reactor | Chemistry; Metallurgy | 3 | Active |
| US8695953B2 | Distribution tray, vessel, or method relating thereto | Emerging Cross-Sectional Technologies | 3 | Active |
| US9732290B2 | Process and apparatus for cracking hydrocarbons with recycled catalyst to produce additional distillate | Chemistry; Metallurgy | 3 | Active |
| US8936758B2 | Process and apparatus for mixing two streams of catalyst | Chemistry; Metallurgy | 2 | Active |
| US8815082B2 | Process and apparatus for mixing two streams of catalyst | Chemistry; Metallurgy | 2 | Active |
| US9777228B2 | Process for cracking hydrocarbons to make diesel | Chemistry; Metallurgy | 1 | Active |
| US8871151B2 | Apparatus for mixing two streams of catalyst with an insert having aligned openings | Chemistry; Metallurgy | 1 | Active |
| US9458068B2 | Process and vessel for removing one or more sulfur compounds | Performing Operations; Transporting | 1 | Active |
| US11517869B2 | Riser extension apparatus and process | Chemistry; Metallurgy | 0 | Active |
| US11286217B2 | Process and apparatus for reacting feed with fluidized catalyst and confined quench | Emerging Cross-Sectional Technologies | 0 | Active |
| US11577237B2 | Process and apparatus for regenerating catalyst with supplemental fuel | Chemistry; Metallurgy | 0 | Active |
| US9023285B2 | Counter-current fluidized bed reactor for the dehydrogenation of olefins | Emerging Cross-Sectional Technologies | 0 | Active |
| US11725153B2 | Process and apparatus for recovering catalyst from a product stream | Chemistry; Metallurgy | 0 | Active |
| US10071357B1 | Compact two-stage regenerator and process for using | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.