Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8434555 | Irregular pattern treatment of a subsurface formation | Robert Bos, Dirk Roelof Brouwer, Tulio Rafael Colmenares, Eric Pierre de Rouffignac, Jean-Charles Ginestra +6 more | 2013-05-07 |
| 7717171 | Moving hydrocarbons through portions of tar sands formations with a fluid | George Leo Stegemeier, Ramesh Raju Mudunuri, Harold J. Vinegar, John Michael Karanikas, Weijian Mo | 2010-05-18 |
| 7681647 | Method of producing drive fluid in situ in tar sands formations | Ramesh Raju Mudunuri, Harold J. Vinegar, John Michael Karanikas | 2010-03-23 |
| 7635024 | Heating tar sands formations to visbreaking temperatures | John Michael Karanikas, Tulio Rafael Colmenares, Etuan Zhang, Marian Marino, Augustinus Wilhelmus Maria Roes +3 more | 2009-12-22 |