Stone & Webster, Inc.
🏢 View company profile →20Patents
14Active
20Granted
44Portfolio score
Filing activity: Jun 2, 2000 → Jan 14, 2011 · 13 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6516326B1 | System and method for integrating electrical power grid and related data from various proprietary raw data formats into a single maintainable electrically connected database | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6620386B1 | Radial flow reactor | Performing Operations; Transporting | 18 | Expired |
| US6806394B2 | Economical purification of bisphenol A | Chemistry; Metallurgy | 5 | Expired |
| US6772830B1 | Enhanced crossflow heat transfer | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US7799961B2 | Process of using a high activity catalyst for the transalkylation of aromatics | Emerging Cross-Sectional Technologies | 4 | Active |
| US8258360B2 | Multiphase alkylaromatics production | Emerging Cross-Sectional Technologies | 2 | Active |
| US7449420B2 | Production of alkyl aromatic compounds with catalyst reactivation | Emerging Cross-Sectional Technologies | 2 | Active |
| US7922980B2 | EB/SM splitter heat recovery | Emerging Cross-Sectional Technologies | 2 | Active |
| US7777087B2 | Liquid phase alkylation with multiple catalysts | Emerging Cross-Sectional Technologies | 2 | Active |
| US7777086B2 | Production of alkyl aromatic compounds | Emerging Cross-Sectional Technologies | 2 | Active |
| US7923589B2 | Alkylaromatics production using dilute alkene | Human Necessities | 1 | Active |
| US6343487B1 | Advanced heat integrated rectifier system | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US7902408B2 | BPA process improvement | Emerging Cross-Sectional Technologies | 1 | Active |
| US7642390B2 | EB/SM splitter heat recovery | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7939704B2 | Process for preparing ethylbenzene using vapor phase alkylation and liquid phase transalkylation | Chemistry; Metallurgy | 0 | Active |
| US7923590B2 | Production of alkylaromatic compounds | Chemistry; Metallurgy | 0 | Active |
| US7752887B2 | Detection of impurities in gas streams | Emerging Cross-Sectional Technologies | 0 | Active |
| US8629311B2 | Alkylated aromatics production | Chemistry; Metallurgy | 0 | Active |
| US8088956B2 | BPA process improvement | Emerging Cross-Sectional Technologies | 0 | Active |
| US7745676B2 | Alkylaromatics production | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.