Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7540694 | Vibratory conveyor | Robert Markowski, Richard B. Kraus | 2009-06-02 |
| 7487868 | Vibratory conveyor deck with adjustable curvature | Richard B. Kraus, Robert Markowski | 2009-02-10 |
| 7377728 | Vibratory conveyor | Robert Markowski, Richard B. Kraus | 2008-05-27 |
| 7296951 | Vibratory spiral conveyor | Richard B. Kraus, Robert Markowski | 2007-11-20 |
| 7037048 | Vibratory spiral conveyor | Robert Markowski, Richard B. Kraus | 2006-05-02 |
| 6827201 | Vibratory feeder for transporting objects in a curved path | Robert Markowski, Eric Dickinson, Richard B. Kraus | 2004-12-07 |