Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9222929 | Solvent surveillance in solvent-based heavy oil recovery processes | Tapantosh Chakrabarty, Joseph L. Feimer | 2015-12-29 | $294,378,000 |
| 8822387 | Composition and method for using waxy oil-external emulsions to modify reservoir permeability profiles | James R. Bragg, Joseph P. Lederhos, Sergio A. Leonardi, Amy L. Chen, Shan H. Yang | 2014-09-02 | $160,139,000 |
| 8146654 | Composition and method for using waxy oil-external emulsions to modify reservoir permeability profiles | James R. Bragg, Joseph P. Lederhos, Sergio A. Leonardi, Amy L. Chen, Shan H. Yang | 2012-04-03 | $124,635,000 |