Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11971075 | Single air disc brake tappet with features that mimic multiple tappets | Erik W. Oberdorfer, Brian Kondas | 2024-04-30 |
| 10174861 | Geared interface for valve | Christopher L. Brubaker | 2019-01-08 |
| 9546700 | Spring brake actuator and method for making a spring brake actuator | Ronald S. Plantan | 2017-01-17 |
| 8585809 | Air dryer cartridge | Leonard A. Quinn | 2013-11-19 |
| 7520922 | Air dryer system | Fred W. Hoffman, Leonard A. Quinn | 2009-04-21 |