Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5205998 | Angle of repose valve | James E. Boone, David W. Owens, Robert E. Farritor | 1993-04-27 |
| 5202099 | Angle of repose valve | James E. Boone, David W. Owens, Robert E. Farritor | 1993-04-13 |
| 5059410 | Production of silicon | James E. Boone, David W. Owens, Robert E. Farritor | 1991-10-22 |
| 4806317 | Fluidized bed reactor | James E. Boone, David W. Owens, Robert E. Farritor | 1989-02-21 |
| 4308143 | Rotary drum filter | Alvin E. Harkins, Jr. | 1981-12-29 |