ENI S.P.A.
392Patents
317Active
392Granted
57Portfolio score
Filing activity: Jan 29, 1998 → Feb 26, 2024 · 84 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6649140B2 | Process for the continuous production of hydrogen peroxide | Chemistry; Metallurgy | 78 | Expired |
| US7999143B2 | Production of diesel fuel from renewable feedstocks with reduced hydrogen consumption | Emerging Cross-Sectional Technologies | 66 | Active |
| US7982075B2 | Production of diesel fuel from biorenewable feedstocks with lower hydrogen consumption | Emerging Cross-Sectional Technologies | 52 | Active |
| US6347814B1 | Integral joint for the connection of two pipes | Fixed Constructions | 48 | Expired |
| US8431620B2 | Process for the preparation of water-in-oil and oil-in-water nanoemulsions | Performing Operations; Transporting | 46 | Active |
| US7164052B2 | Catalytic composition for the aromatization of hydrocarbons | Performing Operations; Transporting | 36 | Expired |
| US6075062A | Catalytic composition suitable for the fischer-tropsch process | Chemistry; Metallurgy | 33 | Expired |
| US6926504B2 | Submersible electric pump | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US7404942B2 | Process for the production of hydrogen and the co-production of carbon dioxide | Emerging Cross-Sectional Technologies | 29 | Active |
| US9278339B2 | Mixed oxides of transition metals, hydrotreatment catalysts obtained therefrom, and preparation process comprising sol-gel processes | Chemistry; Metallurgy | 26 | Active |
| US6630118B2 | Process for the direct synthesis of hydrogen peroxide | Emerging Cross-Sectional Technologies | 25 | Expired |
| US7048905B2 | Process for the production of hydrogen peroxide | Chemistry; Metallurgy | 24 | Expired |
| US6977273B2 | Process for synthesising hydrocarbons in the presence of a catalyst comprising a group VIII metal supported on silica-alumina | Performing Operations; Transporting | 22 | Expired |
| US8110692B2 | Organic-inorganic hybrid silicates and metal-silicates having an ordered structure | Chemistry; Metallurgy | 20 | Active |
| US8809561B2 | Hybrid, organic-inorganic, crystalline, porous silicates and metal-silicates | Chemistry; Metallurgy | 19 | Active |
| US7915460B2 | Production of diesel fuel from biorenewable feedstocks with heat integration | Emerging Cross-Sectional Technologies | 16 | Active |
| US7004333B2 | Process for the separation of hollow glass microspheres from muds containing them | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6462097B1 | Process for the production of purified water and hydrocarbons from fossil resources | Chemistry; Metallurgy | 15 | Expired |
| US7691256B2 | Process for the conversion of heavy charges such as heavy crude oils and distillation residues | Chemistry; Metallurgy | 15 | Active |
| US8608812B2 | Process for producing hydrocarbon fractions from mixtures of a biological origin | Emerging Cross-Sectional Technologies | 15 | Active |
| US6121190A | Catalytic composition useful in the Fischer-Tropsch reaction | Chemistry; Metallurgy | 15 | Expired |
| US7195730B2 | Method for making centralizers for centralising a tight fitting casing in a borehole | Fixed Constructions | 13 | Expired |
| US7368482B2 | Catalytic partial oxidation process for producing synthesis gas | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6310108A | Process for synthesis at atmospheric distillate that comprises the use of Fischer-Tropsch technology | Chemistry; Metallurgy | 12 | Expired |
| US7255795B2 | Process for selectively removing molybdenum from liquid mixtures containing it together with vanadium | Emerging Cross-Sectional Technologies | 12 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.