Patent assignee · US · COMPANY

EXXONMOBIL RESEARCH AND ENGINEERING COMPANY

1,830Patents
1,343Active
1,830Granted
61Portfolio score

Filing activity: Apr 25, 1994 → May 20, 2021 · 428 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6712955B1 Slurry hydroprocessing using bulk multimetallic catalysts Chemistry; Metallurgy 182 Expired
US6620313B1 Hydroconversion process using bulk group VIII/Group VIB catalysts Chemistry; Metallurgy 172 Expired
US6080301A Premium synthetic lubricant base stock having at least 95% non-cyclic isoparaffins Chemistry; Metallurgy 162 Expired
US6635599B1 Mixed metal catalyst, its preparation by co-precipitation, and its use Performing Operations; Transporting 149 Expired
US7491250B2 Pressure swing reforming Emerging Cross-Sectional Technologies 132 Expired
US6711893B2 Fuel supply apparatus for an internal combustion engine Emerging Cross-Sectional Technologies 128 Expired
US7232515B1 Hydrofining process using bulk group VIII/Group VIB catalysts Chemistry; Metallurgy 120 Expired
US7815873B2 Controlled combustion for regenerative reactors with mixer/flow distributor Chemistry; Metallurgy 118 Active
US6582590B1 Multistage hydroprocessing using bulk multimetallic catalyst Chemistry; Metallurgy 113 Expired
US7288182B1 Hydroprocessing using bulk Group VIII/Group VIB catalysts Chemistry; Metallurgy 111 Expired
US7846401B2 Controlled combustion for regenerative reactors Emerging Cross-Sectional Technologies 109 Active
US6531516B2 Integrated bitumen production and gas conversion Emerging Cross-Sectional Technologies 105 Expired
US6783663B1 Hydrotreating using bulk multimetallic catalysts Chemistry; Metallurgy 105 Expired
US6929738B1 Two stage process for hydrodesulfurizing distillates using bulk multimetallic catalyst Chemistry; Metallurgy 101 Expired
US8192709B2 Separation of methane from higher carbon number hydrocarbons utilizing zeolitic imidazolate framework materials Emerging Cross-Sectional Technologies 96 Active
US6447745B1 Catalytic oxidation process Emerging Cross-Sectional Technologies 92 Expired
US7959720B2 Low mesopore adsorbent contactors for use in swing adsorption processes Emerging Cross-Sectional Technologies 89 Active
US6649574B2 Biodegradable non-toxic gear oil Chemistry; Metallurgy 87 Expired
US6972093B2 Onboard fuel separation apparatus for an automobile Emerging Cross-Sectional Technologies 86 Expired
US8529664B2 Removal of a target gas from a mixture of gases by swing adsorption with use of a turboexpander Emerging Cross-Sectional Technologies 84 Active
US6863803B1 Production of low sulfur/low nitrogen hydrocrackates Chemistry; Metallurgy 83 Expired
US7503948B2 Solid oxide fuel cell systems having temperature swing reforming Emerging Cross-Sectional Technologies 82 Active
US7947120B2 Temperature swing adsorption of CO2 from flue gas using a parallel channel contractor Emerging Cross-Sectional Technologies 82 Active
US7815892B2 Integration of hydrogen and power generation using pressure swing reforming Emerging Cross-Sectional Technologies 82 Active
US7229548B2 Process for upgrading naphtha Chemistry; Metallurgy 82 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.