Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10722910 | Brush-sieve powder fluidizing apparatus for nano-size and ultra fine powders | Ralph M. Tapphorn | 2020-07-28 |
| 8113025 | Technique and process for controlling material properties during impact consolidation of powders | Ralph M. Tapphorn | 2012-02-14 |
| 7273075 | Brush-sieve powder-fluidizing apparatus for feeding nano-size and ultra-fine powders | Ralph M. Tapphorn | 2007-09-25 |
| 7178744 | System and process for solid-state deposition and consolidation of high velocity powder particles using thermal plastic deformation | Ralph M. Tapphorn | 2007-02-20 |
| 6915964 | System and process for solid-state deposition and consolidation of high velocity powder particles using thermal plastic deformation | Ralph M. Tapphorn | 2005-07-12 |
| 6715640 | Powder fluidizing devices and portable powder-deposition apparatus for coating and spray forming | Ralph M. Tapphorn | 2004-04-06 |
| 6074135 | Coating or ablation applicator with debris recovery attachment | Ralph M. Tapphorn | 2000-06-13 |
| 5795626 | Coating or ablation applicator with a debris recovery attachment | Ralph M. Tapphorn | 1998-08-18 |