Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9140363 | Brush seal cover assembly | Patrick J. Fitzgerald, David Chrisman, Pavan Kumar Ravulaparthy | 2015-09-22 |
| 9068655 | Quick change brush seal retaining arrangement | Patrick J. Fitzgerald, David Chrisman, Pavan Kumar Ravulaparthy | 2015-06-30 |
| 8882050 | Railway track and switch weather protection barrier system | Paul R. Dubay | 2014-11-11 |
| 8505923 | Brush seal with stress and deflection accommodating membrane | Patrick J. Fitzgerald | 2013-08-13 |