Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9261217 | Expandable pipeline point-repair device | — | 2016-02-16 |
| 7793859 | Fluidized catalytic cracking feed nozzle | Norman Paul Kolb, Ed Yuan, Louis Robert Anderson | 2010-09-14 |
| 7429363 | Riser termination device | Ed Yuan, Warren S. Letzsch, Jim Evans, John Hood | 2008-09-30 |
| 5190089 | Protective collapsible bag assembly for appliance items | — | 1993-03-02 |