Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8127842 | Bitumen production method | Stevan Jovanovic | 2012-03-06 |
| 8128736 | Carbon dioxide production for enhanced oil recovery | Frank R. Fitch, Satish S. Tamhankar | 2012-03-06 |
| 7618530 | Heavy oil hydroconversion process | — | 2009-11-17 |
| 7594990 | Hydrogen donor solvent production and use in resid hydrocracking processes | — | 2009-09-29 |
| 7395823 | Method and apparatus for local fluorine and nitrogen trifluoride production | — | 2008-07-08 |
| 7128885 | NF3 production reactor | — | 2006-10-31 |
| 6986874 | Method and apparatus for the production of nitrogen trifluoride | Johannes Petrus Le Roux | 2006-01-17 |
| 6910431 | Burner-lance and combustion method for heating surfaces susceptible to oxidation or reduction | — | 2005-06-28 |
| 6908601 | Method for the production of nitrogen trifluoride | Vasu Mohan | 2005-06-21 |
| 6579085 | Burner and combustion method for the production of flame jet sheets in industrial furnaces | Christian Juan Feldermann | 2003-06-17 |
| 6474982 | Burner and combustion method for heating surfaces susceptible to oxidation or reduction | Neil Simpson, Andrew P. Richardson | 2002-11-05 |
| 6354110 | Enhanced heat transfer through controlled interaction of separate fuel-rich and fuel-lean flames in glass furnaces | Rifat Alchalabi, Sekharipuram V. Krishnan | 2002-03-12 |
| 6250915 | Burner and combustion method for heating surfaces susceptible to oxidation or reduction | Neil Simpson, Andrew P. Richardson | 2001-06-26 |
| 6244854 | Burner and combustion method for the production of flame jet sheets in industrial furnaces | Christian Juan Feldermann | 2001-06-12 |
| 6200522 | Method and apparatus for smelting iron ore | — | 2001-03-13 |
| 6193781 | Method of smelting iron ore | — | 2001-02-27 |
| 6053961 | Method and apparatus for smelting iron ore | — | 2000-04-25 |
| 5938815 | Iron ore refining method | — | 1999-08-17 |
| 5775129 | Heat exchanger | Venkat Natarajan, Richard Clarke | 1998-07-07 |
| 5667643 | Heat exchanger and double distillation column | Venkat Natarajan, Richard Clarke | 1997-09-16 |
| 5613997 | Metallurgical process | — | 1997-03-25 |
| 5275742 | Treatment of water | Alberto I. LaCava, Craig C. Ibbetson | 1994-01-04 |
| 5043461 | Process for the production of oxides | Ramakrishnan Ramachandran, Mark J. Andrecovich, Donald L. MacLean | 1991-08-27 |
| 5008412 | Process for the production of oxides | Ramakrishnan Ramachandran, Donald L. MacLean | 1991-04-16 |
| 5008414 | Process for the production of oxides | Ramakrishnan Ramachandran, Donald L. MacLean, Virginia A. Malik | 1991-04-16 |