Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7404411 | Method and apparatus for analysis of relative levels of biodiesel in fuels by near-infrared spectroscopy | Roy Roger Bledsoe, Jr., Brian K. Wilt | 2008-07-29 |
| 6140647 | Gasoline RFG analysis by a spectrometer | Roy Roger Bledsoe, Jr., Brian K. Wilt, Michael B. Sumner | 2000-10-31 |
| 6087662 | Process for analysis of asphaltene content in hydrocarbon mixtures by middle infrared spectroscopy | Brian K. Wilt | 2000-07-11 |
| 5892228 | Process and apparatus for octane numbers and reid vapor pressure by Raman spectroscopy | John B. Cooper, Roy Roger Bledsoe, Jr., Kent L. Wise, Michael B. Sumner, Brian K. Wilt | 1999-04-06 |
| 5856869 | Distributed bragg reflector diode laser for Raman excitation and method for use | John B. Cooper, Philip E. Flecher | 1999-01-05 |
| 5712481 | Process and apparatus for analysis of hydrocarbon species by near infrared spectroscopy | Michael B. Sumner, Brian K. Wilt, Roy Roger Bledsoe, Jr., Steven M. Maggard | 1998-01-27 |
| 5684580 | Hydrocarbon analysis and control by raman spectroscopy | John B. Cooper, Philip E. Flecher | 1997-11-04 |
| 5596196 | Oxygenate analysis and control by Raman spectroscopy | John B. Cooper, Kent L. Wise, Michael B. Sumner | 1997-01-21 |
| 5370790 | Determination of aromatics in hydrocarbons by near infrared spectroscopy | Steven M. Maggard | 1994-12-06 |
| 5348645 | Determination of aromatics in hydrocarbons by near infrared spectroscopy | Steven M. Maggard | 1994-09-20 |
| 5145785 | Determination of aromatics in hydrocarbons by near infrared spectroscopy and calibration therefor | Steven M. Maggard | 1992-09-08 |