Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9989244 | Furnace cooling by steam and air injection | Mikhail Maryamchik, Donald L. Wietzke | 2018-06-05 |
| 9327250 | Fluidizing nozzle or bubble cap assembly for air distribution grid | Mikhail Maryamchik, Stephen W Borsani, William C Henson, Donald L. Wietzke, Joseph C Comanitz | 2016-05-03 |
| 8047162 | Black plant steam furnace injection | Mikhail Maryamchik, David J. Walker, Donald L. Wietzke | 2011-11-01 |
| 7464669 | Integrated fluidized bed ash cooler | Mikhail Maryamchik, David E. James, David J. Walker, Donald L. Wietzke | 2008-12-16 |
| 6967005 | Circulating fluidized bed reactor with selective catalytic reduction | Donald L. Wietzke, Mikhail Maryamchik, Michael L. Silvey | 2005-11-22 |
| 6681722 | Floored impact-type solids separator using downward expanding separator elements | Mikhail Maryamchik, David J. Walker, Donald L. Wietzke | 2004-01-27 |
| 6395237 | Circulating fluidized bed reactor with selective catalytic reduction | Donald L. Wietzke, Michael L. Silvey, Mikhail Maryamchik | 2002-05-28 |
| 5526938 | Vertical arrangement fluidized/non-fluidized bed classifier cooler | David L. Kraft | 1996-06-18 |