Inventor · Rockville, MD, US

Leon Yuan

13Patents
6h-index
11Co-inventors
59Inventor score

Filing activity: Dec 19, 2002 → Dec 20, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US7312173B1 Regeneration method with efficient oxygen utilization Performing Operations; Transporting 14 Expired
US7638101B2 Regeneration method with efficient oxygen utilization Performing Operations; Transporting 10 Active
US7410565B1 Multi-catalyst selection for chlorided reforming catalyst Chemistry; Metallurgy 8 Active
US7600950B2 Device to transfer catalyst from a low pressure vessel to a high pressure vessel and purge the transferred catalyst Performing Operations; Transporting 8 Active
US7098300B1 Apparatus and process for continuous solid-state poly-condensation in a fluidized reactor with multiple stages Performing Operations; Transporting 6 Expired
US8075227B2 Device to transfer catalyst from a low pressure vessel to a high pressure vessel and purge the transferred catalyst Performing Operations; Transporting 6 Active
US8071497B2 Process and facility for removing one or more compounds Performing Operations; Transporting 5 Active
US7745364B2 Process for regenerating catalyst for a hydrocarbon conversion zone Chemistry; Metallurgy 4 Active
US7981272B2 Process for reforming a hydrocarbon stream in a unit having fixed and moving bed reaction zones Chemistry; Metallurgy 3 Active
US7780928B2 Method and apparatus for improving radial flow moving bed regeneration/reaction system performance Performing Operations; Transporting 2 Active
US8241492B1 Simulated moving bed chromatography device Physics 2 Active
US8182772B2 Radial flow continuous reaction/regeneration apparatus Performing Operations; Transporting 1 Active
US8231834B2 Process for regenerating catalyst for a hydrocarbon conversion zone Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.