Inventor · Prospect, KY, US

Ramesh Gupta

78Patents
17h-index
104Co-inventors
87Inventor score

Filing activity: Oct 20, 1980 → Apr 6, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6123830A Integrated staged catalytic cracking and staged hydroprocessing process Chemistry; Metallurgy 80 Expired
US5720872A Multi-stage hydroprocessing with multi-stage stripping in a single stripper vessel Chemistry; Metallurgy 77 Expired
US5705052A Multi-stage hydroprocessing in a single reaction vessel Chemistry; Metallurgy 55 Expired
US6692545B2 Combined water gas shift reactor/carbon dioxide adsorber for use in a fuel cell system Emerging Cross-Sectional Technologies 50 Expired
US4380529A Hydroprocessing reactor with extended operating life Performing Operations; Transporting 48 Expired
US8852322B2 Gas purification process utilizing engineered small particle adsorbents Emerging Cross-Sectional Technologies 48 Active
US5939031A Countercurrent reactor Chemistry; Metallurgy 38 Expired
US5968346A Two stage hydroprocessing with vapor-liquid interstage contacting for vapor heteroatom removal Chemistry; Metallurgy 34 Expired
US8088717B2 Compressible objects having partial foam interiors combined with a drilling fluid to form a variable density drilling mud Emerging Cross-Sectional Technologies 33 Active
US6054041A Three stage cocurrent liquid and vapor hydroprocessing Chemistry; Metallurgy 33 Expired
US5582711A Integrated staged catalytic cracking and hydroprocessing process Chemistry; Metallurgy 28 Expired
US5942197A Countercurrent reactor Chemistry; Metallurgy 27 Expired
US6036844A Three stage hydroprocessing including a vapor stage Chemistry; Metallurgy 26 Expired
US5670116A Hydroprocessing reactor with enhanced product selectivity Performing Operations; Transporting 26 Expired
US4526757A Pulsed flow vapor-liquid reactor Emerging Cross-Sectional Technologies 23 Expired
US6495029B1 Countercurrent desulfurization process for refractory organosulfur heterocycles Chemistry; Metallurgy 18 Expired
US5799877A Fluid distribution across a particulate bed Performing Operations; Transporting 18 Expired
US8399433B2 Amino pyrimidine anticancer compounds Chemistry; Metallurgy 17 Active
US4313908A Catalytic reactor having bed bypass Chemistry; Metallurgy 17 Expired
US5985131A Hydroprocessing in a countercurrent reaction vessel Chemistry; Metallurgy 17 Expired
US5770043A Integrated staged catalytic cracking and hydroprocessing process Chemistry; Metallurgy 16 Expired
US8378118B2 Pyrazole-based thyroid receptor compounds Chemistry; Metallurgy 14 Active
US6153086A Combination cocurrent and countercurrent staged hydroprocessing with a vapor stage Chemistry; Metallurgy 14 Expired
US6007787A Countercurrent reaction vessel Chemistry; Metallurgy 14 Expired
US8143424B2 Thyroid like compounds Chemistry; Metallurgy 14 Active

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