Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9879191 | Fuel feed system for a gasifier and method of gasification system start-up | Thomas Frederick Leininger, Aaron John Avagliano, John Saunders Stevenson | 2018-01-30 |
| 8951314 | Fuel feed system for a gasifier | Thomas Frederick Leininger, Aaron John Avagliano, John Saunders Stevenson | 2015-02-10 |
| 8828109 | Method and apparatus for assembling injection devices | John Saunders Stevenson, Constantin Bugescu, Kenneth M. Sprouse, David R. Matthews | 2014-09-09 |
| 8480790 | Methods of recycling carbon dioxide to the gasification system | Paul Steven Wallace, George Morris Gulko, Pradeep S. Thacker | 2013-07-09 |
| 8241404 | Methods of recycling carbon dioxide to the gasification system | Paul Steven Wallace, George Morris Gulko, Pradeep S. Thacker | 2012-08-14 |
| 7655213 | Direct oxidation of sulfur with carbon dioxide recycle | Raymond Douglas Steele | 2010-02-02 |
| 6706199 | Method for withdrawing and dewatering slag from a gasification system | Rajasekar Kamarthi, Thomas Frederick Leininger, Katherine Lee, Chih-Hao M. Tsang, Pravit Vassantachart | 2004-03-16 |
| 6436157 | Gasification of biosludge | George N. Richter | 2002-08-20 |
| 6121334 | Gas handling for plastics liquefaction | — | 2000-09-19 |
| 6063147 | Gasification of biosludge | George N. Richter | 2000-05-16 |
| 5904879 | Partial oxidation of waste plastic material | Paul Ellis Brickhouse, Ronald Frederick Tyree, John Saunders Stevenson, Gregory Joseph Mayotte, Jerrold Samuel Kassman +1 more | 1999-05-18 |
| 5866091 | Method for minimizing hydrogen halide corrosion in a partial oxidation process | John Saunders Stevenson, Byron Von Klock, Jerrold Samuel Kassman, George Henry Webster, Jr., Paul Ellis Brickhouse | 1999-02-02 |
| 5837037 | Gas handling for plastics liquefaction | — | 1998-11-17 |
| 5647876 | Method of removing volatile metals from slag using an acid wash | John Saunders Stevenson, Jerrold Samuel Kassman, Harry WIESE, George N. Richter, Lisa Marie Kocsis +1 more | 1997-07-15 |
| 5515794 | Partial oxidation process burner with recessed tip and gas blasting | Jerrold Samuel Kassman, Allen M. Robin, James K. Wolfenbarger | 1996-05-14 |
| 5277814 | Process for treating organic wastes | James Edward Myers, William R. Deever | 1994-01-11 |
| 5207912 | Process for treating oily sludge | James Edward Myers, William R. Deever | 1993-05-04 |