David Stockwell
33Patents
12h-index
31Co-inventors
81Inventor score
Filing activity: Jan 31, 1991 → Oct 12, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6656347B2 | Structurally enhanced cracking catalysts | Performing Operations; Transporting | 42 | Expired |
| US6673235B2 | FCC catalysts for feeds containing nickel and vanadium | Chemistry; Metallurgy | 36 | Expired |
| US6716338B2 | FCC catalysts for feeds containing nickel and vanadium | Chemistry; Metallurgy | 32 | Expired |
| US5559067A | Modified microsphere FCC catalysts and manufacture thereof | Chemistry; Metallurgy | 26 | Expired |
| US7045485B2 | NOx reduction composition for use in FCC processes | Emerging Cross-Sectional Technologies | 25 | Expired |
| US7753992B2 | Methods of manufacturing mercury sorbents and removing mercury from a gas stream | Emerging Cross-Sectional Technologies | 18 | Active |
| US7572421B2 | Mercury sorbents and methods of manufacture and use | Emerging Cross-Sectional Technologies | 17 | Active |
| US5082814A | Shell-coated FCC catalysts | Chemistry; Metallurgy | 15 | Expired |
| US7959792B2 | CO oxidation promoters for use in FCC processes | Chemistry; Metallurgy | 14 | Active |
| US6942784B2 | Structurally enhanced cracking catalysts | Performing Operations; Transporting | 13 | Expired |
| US6943132B2 | Structurally enhanced cracking catalysts | Chemistry; Metallurgy | 12 | Expired |
| US5228980A | Fluidized catalytic cracking process employing shell-coated FCC catalysts | Chemistry; Metallurgy | 12 | Expired |
| US6696378B2 | Fluid catalytic cracking catalyst manufacturing process | Performing Operations; Transporting | 11 | Expired |
| US6942783B2 | Enhanced FCC catalysts for gas oil and resid applications | Chemistry; Metallurgy | 11 | Expired |
| US8480791B2 | Methods of manufacturing mercury sorbents and removing mercury from a gas stream | Emerging Cross-Sectional Technologies | 9 | Active |
| US8372772B2 | Hydrocracking catalyst and process using insitu produced Y-fauajasite | Chemistry; Metallurgy | 3 | Active |
| US8460540B2 | Hydrocracking catalyst and process using insitu produced Y-fauajasite | Chemistry; Metallurgy | 2 | Active |
| US8278235B2 | Structurally enhanced cracking catalysts | Chemistry; Metallurgy | 2 | Active |
| US11471862B2 | Bottoms upgrading and low coke fluid catalytic cracking catalyst | Chemistry; Metallurgy | 1 | Active |
| US6852298B2 | NOx reduction composition for use in FCC processes | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7749762B2 | Test methods for simulating FCC regenerator catalysis and catalyst deactivation | Emerging Cross-Sectional Technologies | 1 | Active |
| US9108181B2 | Structurally enhanced cracking catalysts | Chemistry; Metallurgy | 1 | Active |
| US6800586B2 | NOx reduction composition for use in FCC processes | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7678735B2 | FCC additive for partial and full burn NOx control | Performing Operations; Transporting | 1 | Active |
| US11332675B2 | Reactive silica-alumina matrix component compositions for bottoms cracking catalysts | Chemistry; Metallurgy | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.