Patents per Year
Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6140647 | Gasoline RFG analysis by a spectrometer | William T. Welch, Roy Roger Bledsoe, Jr., Brian K. Wilt | 2000-10-31 | $18,682,000 |
| 5892228 | Process and apparatus for octane numbers and reid vapor pressure by Raman spectroscopy | John B. Cooper, Roy Roger Bledsoe, Jr., Kent L. Wise, William T. Welch, Brian K. Wilt | 1999-04-06 | $15,399,000 |
| 5712481 | Process and apparatus for analysis of hydrocarbon species by near infrared spectroscopy | William T. Welch, Brian K. Wilt, Roy Roger Bledsoe, Jr., Steven M. Maggard | 1998-01-27 | $19,465,000 |
| 5614164 | Production of mesophase pitches, carbon fiber precursors, and carbonized fibers | William P. Hettinger, Jr. | 1997-03-25 | $11,110,000 |
| 5596196 | Oxygenate analysis and control by Raman spectroscopy | John B. Cooper, Kent L. Wise, William T. Welch | 1997-01-21 | $11,234,000 |
| 5238672 | Mesophase pitches, carbon fiber precursors, and carbonized fibers | William P. Hettinger, Jr. | 1993-08-24 | $6,230,000 |