Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8006920 | Self regulating fluid bearing high pressure rotary nozzle with balanced thrust force | Douglas E. Wright | 2011-08-30 |
| 7635096 | Self regulating fluid bearing high pressure rotary nozzle with balanced thrust force | Douglas E. Wright | 2009-12-22 |
| 6059202 | High pressure liquid rotary coupling with slip seal | Gerald P. Zink, Douglas E. Wright | 2000-05-09 |
| 5947387 | Adjustable rotating water jet tool for three dimensional cleaning | Gerald P. Zink, Douglas E. Wright | 1999-09-07 |
| 4266620 | High pressure fluid apparatus | Gerald P. Zink | 1981-05-12 |