Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11141912 | Additive manufacturing powder spreading technology to mitigate surface defects | Saad A. Khairallah, Gabe Guss, Eric B. Herbold, Wayne E. King, Manyalibo Joseph Matthews +1 more | 2021-10-12 |
| 9963301 | Dry granular material feeder/conveyor for near-vertical lifting | Hubert Vollmer | 2018-05-08 |
| 9809390 | Granular material scoop and near-vertical lifting feeder/conveyor | Hubert Vollmer | 2017-11-07 |
| 9334693 | Vertical-screw-auger conveyer feeder | Hubert Vollmer | 2016-05-10 |
| 9073088 | Centrifugal size-separation sieve for granular materials | Christopher Dreyer, Edward Riedel | 2015-07-07 |
| 8607966 | Apparatus and method for conveying cohesive materials | Ali Ismail Abdel-Hadi, Christopher Dreyer | 2013-12-17 |
| 4619738 | Apparatus for oil shale retorting | Arthur E. Lewis, Robert L. Braun, Richard G. Mallon | 1986-10-28 |
| 4601811 | Process for oil shale retorting using gravity-driven solids flow and solid-solid heat exchange | Arthur E. Lewis, Robert L. Braun, Richard G. Mallon | 1986-07-22 |
| 4539917 | Combustion heater for oil shale | Richard G. Mallon, Arthur E. Lewis, Robert L. Braun | 1985-09-10 |