Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9649586 | Apparatus and methods for large particle ash separation from flue gas using screens having semi-elliptical cylinder surfaces | Mark A. Buzanowski, Richard B. Crawford, Iain Stuart Hall | 2017-05-16 |
| 9636619 | Apparatus and methods for large particle ash separation from flue gas using screens having semi-elliptical cylinder surfaces | Mark A. Buzanowski, Richard B. Crawford, Iain Stuart Hall | 2017-05-02 |
| 8936662 | Apparatus and methods for large particle ash separation from flue gas using screens having semi-elliptical cylinder surfaces | Mark A. Buzanowski, Richard B. Crawford, Iain Stuart Hall | 2015-01-20 |