Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6702325 | Modular trailing arm suspension | — | 2004-03-09 |
| 6491314 | Trailing arm suspension with wrapper compression axle mounting and articulated axle mounting | John P. Smith | 2002-12-10 |
| 6328322 | Drive axle suspension | — | 2001-12-11 |
| 6241266 | Trailing arm suspension with wrapper compression axle mounting and articulated axle mounting | John P. Smith | 2001-06-05 |
| 6152486 | Anti-creep device | — | 2000-11-28 |
| RE36955 | Fluid-operated brake actuator with internal valve | John Bowyer | 2000-11-21 |
| 6006651 | Spring brake actuator with filtered service vent opening | William J. Hicks, Steven M. Stojic | 1999-12-28 |
| 6003433 | Tamper-resistant brake actuator | William J. Hicks | 1999-12-21 |
| 5924712 | Dual trailing arm vehicle suspension | — | 1999-07-20 |
| 5921532 | Air spring with internal support member | John Michael Douglass, Gregory Galazin, Daniel Greenzweig, William J. Hicks, Gregory A. Richardson | 1999-07-13 |
| 5799564 | Spring brake actuator having two-ply pressure plate assembly | — | 1998-09-01 |
| 5787932 | Bypass tube for time delay height control valve | — | 1998-08-04 |
| 5725076 | Spring brake actuator and caging bolt therefor | Raymond D. Subdon | 1998-03-10 |
| 5722311 | Fluid-operated brake actuator with spring chamber isolation | William J. Hicks, Steven M. Stojic | 1998-03-03 |
| 5713238 | Spring brake actuator with spring force measurement | William J. Hicks | 1998-02-03 |
| 5682922 | Dual in-line height control valve assembly | Gregory Galazin | 1997-11-04 |
| 5664478 | Spring brake actuator with corrosion fuses | — | 1997-09-09 |
| 5655431 | Spring brake actuator, caging bolt assembly therefor, and method of assembly thereof | Raymond D. Subdon, Steven M. Stojic | 1997-08-12 |
| 5649469 | Stroke indicator for an air-operated combination diaphragm spring brake | — | 1997-07-22 |
| 5639110 | Trailing arm suspension | Gregory A. Richardson | 1997-06-17 |
| 5588665 | Trailing arm suspension with lever arm | Gregory A. Richardson | 1996-12-31 |
| 5413374 | Adjustable bushing | — | 1995-05-09 |
| 5393096 | Suspension frame bracket | Gregory Galazin | 1995-02-28 |
| 5377579 | Fluid-operated spring brake atuator with funnel-shaped pressure plate | — | 1995-01-03 |
| 5375819 | Dual in-line height control valve assembly | Gregory Galazin | 1994-12-27 |