GRT, Inc.
40Patents
13Active
40Granted
42Portfolio score
Filing activity: Aug 23, 1989 → Sep 23, 2011 · 12 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7361794B2 | Zone reactor | Chemistry; Metallurgy | 71 | Expired |
| US6403840B1 | Process for synthesizing olefin oxides | Emerging Cross-Sectional Technologies | 67 | Expired |
| US6525230B2 | Zone reactor | Chemistry; Metallurgy | 64 | Expired |
| US6486368B1 | Integrated process for synthesizing alcohols, ethers, and olefins from alkanes | Emerging Cross-Sectional Technologies | 63 | Expired |
| US4967596A | Swing velocity indicator | Human Necessities | 63 | Expired |
| US6462243B1 | Integrated process for synthesizing alcohols and ethers from alkanes | Emerging Cross-Sectional Technologies | 58 | Expired |
| US6472572B1 | Integrated process for synthesizing alcohols and ethers from alkanes | Emerging Cross-Sectional Technologies | 58 | Expired |
| US6465696B1 | Integrated process for synthesizing alcohols, ethers, and olefins from alkanes | Emerging Cross-Sectional Technologies | 58 | Expired |
| US7230150B2 | Zone reactor | Emerging Cross-Sectional Technologies | 52 | Expired |
| US7161050B2 | Method and apparatus for synthesizing olefins, alcohols, ethers, and aldehydes | Emerging Cross-Sectional Technologies | 52 | Expired |
| US7148390B2 | Integrated process for synthesizing alcohols, ethers, aldehydes, and olefins from alkanes | Emerging Cross-Sectional Technologies | 51 | Expired |
| US7019182B2 | Method of hydrocarbon preservation and environmental protection | Chemistry; Metallurgy | 51 | Expired |
| US6251289A | Treatment of contaminated liquids with oxidizing gases and liquids | Emerging Cross-Sectional Technologies | 38 | Expired |
| US7838708B2 | Hydrocarbon conversion process improvements | Emerging Cross-Sectional Technologies | 24 | Active |
| US6398195B1 | Method of and apparatus for producing sub-micron bubbles in liquids and slurries | Performing Operations; Transporting | 21 | Expired |
| US6328854A | Method of and apparatus for manufacturing methanol | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6596177B2 | Method of improving the quality of diesel fuel | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6193221A | Method of and apparatus for producing sub-micron bubbles in liquids, slurries, and sludges | Emerging Cross-Sectional Technologies | 13 | Expired |
| US8449849B2 | Continuous process for converting natural gas to liquid hydrocarbons | Emerging Cross-Sectional Technologies | 7 | Active |
| US8415517B2 | Continuous process for converting natural gas to liquid hydrocarbons | Emerging Cross-Sectional Technologies | 7 | Active |
| US5954925A | Method and apparatus for manufacturing methanol | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6383399B2 | Treatment of contaminated liquids with oxidizing gases and liquids | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6183701A | Method of and apparatus for manufacturing methanol | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6103130A | Treatment of contaminated liquids with oxidizing gases | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8053616B2 | Continuous process for converting natural gas to liquid hydrocarbons | Emerging Cross-Sectional Technologies | 4 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.