Kellogg Brown & Root LLC
240Patents
193Active
240Granted
61Portfolio score
Filing activity: Feb 12, 1998 → Jun 6, 2024 · 77 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6357526B1 | Field upgrading of heavy oil and bitumen | Chemistry; Metallurgy | 268 | Expired |
| US7955403B2 | Systems and methods for producing substitute natural gas | Chemistry; Metallurgy | 82 | Active |
| US7932296B2 | Catalytic partial oxidation reforming for syngas processing and products made therefrom | Chemistry; Metallurgy | 78 | Active |
| US7968020B2 | Hot asphalt cooling and pelletization process | Chemistry; Metallurgy | 72 | Active |
| US7687041B2 | Apparatus and methods for urea production | Performing Operations; Transporting | 70 | Active |
| US7879119B2 | Heat integration and condensate treatment in a shift feed gas saturator | Chemistry; Metallurgy | 68 | Active |
| US7128827B2 | Integrated catalytic cracking and steam pyrolysis process for olefins | Chemistry; Metallurgy | 66 | Expired |
| US7722690B2 | Methods for producing synthesis gas | Emerging Cross-Sectional Technologies | 49 | Active |
| US6278374A | Flame detection apparatus and method | Mechanical Engineering; Lighting; Heating | 47 | Expired |
| US7491315B2 | Dual riser FCC reactor process with light and mixed light/heavy feeds | Chemistry; Metallurgy | 44 | Active |
| US7144498B2 | Supercritical hydrocarbon conversion process | Chemistry; Metallurgy | 43 | Expired |
| US7381320B2 | Heavy oil and bitumen upgrading | Chemistry; Metallurgy | 42 | Expired |
| US6332975A | Anode grade coke production | Chemistry; Metallurgy | 41 | Expired |
| US6503460B1 | Staged catalyst regeneration in a baffled fluidized bed | Chemistry; Metallurgy | 41 | Expired |
| US6536528B1 | Extended reach tie-back system | Fixed Constructions | 34 | Expired |
| US7749378B2 | Bitumen production-upgrade with common or different solvents | Chemistry; Metallurgy | 33 | Active |
| US6237545A | Refinery process furnace | Chemistry; Metallurgy | 32 | Expired |
| US7220505B2 | Autothermal reformer-reforming exchanger arrangement for hydrogen production | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6656366B1 | Method for reducing solids buildup in hydrocarbon streams produced from wells | Fixed Constructions | 31 | Expired |
| US8381544B2 | Method for liquefaction of natural gas | Emerging Cross-Sectional Technologies | 29 | Active |
| US7955496B2 | Systems and methods for upgrading hydrocarbons | Chemistry; Metallurgy | 29 | Active |
| US7153479B2 | Catalyst regenerator with a centerwell | Performing Operations; Transporting | 28 | Expired |
| US8221513B2 | Low oxygen carrier fluid with heating value for feed to transport gasification | Emerging Cross-Sectional Technologies | 28 | Active |
| US7011740B2 | Catalyst recovery from light olefin FCC effluent | Chemistry; Metallurgy | 28 | Expired |
| US6077985A | Integrated deethanizer/ethylene fractionation column | Chemistry; Metallurgy | 27 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.