Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6148732 | Railcar track cleaning system | Ronald K. Conway | 2000-11-21 |
| 5924670 | Adaptively tuned elastomeric vibration absorber | Chan Wung Park, Andreas H. von Flotow, William S. Jensen | 1999-07-20 |
| 5551909 | Method and apparatus for cleaning with high pressure liquid at low flow rates | — | 1996-09-03 |
| 5263504 | Apparatus and method for cleaning with a focused fluid stream | Richard E. Cruzan | 1993-11-23 |
| 5220935 | Apparatus and method for cleaning with a focused fluid stream | Richard E. Cruzan | 1993-06-22 |