Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8522823 | One-way check valve | Mark Michel, Thomas S. Head | 2013-09-03 |
| 6709070 | Unidirectional stability choke for a brake control valve | Eric C. Wright | 2004-03-23 |
| 6666528 | Empty load device | Michael J. Spadaccini | 2003-12-23 |
| 6422521 | Hose support system | Mark Tinklepaugh | 2002-07-23 |
| 6176354 | Truck mounted brake beam with removable brake heads | Jeffrey F. Sauter, Zdzislaw Samulak | 2001-01-23 |
| RE35969 | Single sided control valve and pipe bracket arrangement | Luann M. LaLone | 1998-11-24 |
| D378229 | Combined dirt collector and cut-out cock | Martin Petzoldt | 1997-02-25 |
| 5501513 | Emergency vent valve | — | 1996-03-26 |
| 5478142 | Single sided control valve and pipe bracket arrangement | Luann M. LaLone | 1995-12-26 |
| 5429427 | Air brake control valve with combined graduated and direct release | — | 1995-07-04 |
| 5400874 | Single actuator truck mount brake system | Zdzislaw Samulak | 1995-03-28 |
| 5387030 | Plural service rate sensitivity control valve | Heinz J. Listl | 1995-02-07 |
| 5211450 | Empty/load valve | Walter E. Rojecki | 1993-05-18 |