Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227046 | Integrated lift axle suspension system and method of use | Ervin K. VanDenberg, Lyle Edward Turkson | 2025-02-18 |
| 12214639 | Integrated lift axle suspension system and method of use | Ervin K. VanDenberg, Lyle Edward Turkson | 2025-02-04 |
| 9085209 | Multiple axle equalizing rubber suspension (ERT) | Ervin K. VanDenberg, Michael K. Powers | 2015-07-21 |
| 9039034 | Multiple axle equalizing rubber suspension | Ervin K. VanDenberg, Michael K. Powers | 2015-05-26 |
| 8727363 | Suspension system having parallel air spring and rubber force reaction | Ervin K. VanDenberg | 2014-05-20 |
| 8720922 | Suspension system with single moving element | Ervin K. VanDenberg | 2014-05-13 |
| 8328211 | Suspension system with single moving element | Ervin K. VanDenberg | 2012-12-11 |
| 8282038 | Bi-directional flight control surface utilizing a split-track mechanism | Keith MACGREGOR | 2012-10-09 |
| 8256782 | Suspension assembly | Ervin K. VanDenberg | 2012-09-04 |
| 8235403 | Suspension assembly | Ervin K. VanDenberg | 2012-08-07 |
| 8226098 | Suspension system with a retrofit suspension kit | Ervin K. VanDenberg | 2012-07-24 |
| 8220809 | Independent parallelogram suspension system | Ervin K. VanDenberg | 2012-07-17 |
| 7980577 | Suspension assembly | Ervin K. VanDenberg | 2011-07-19 |
| 7758056 | Suspension assembly with coaxial torsion bar | Ervin K. VanDenberg | 2010-07-20 |
| 7726674 | Suspension assembly | Ervin K. VanDenberg | 2010-06-01 |
| 6921098 | Independent suspension system for light and medium duty vehicles | Ervin K. VanDenberg | 2005-07-26 |
| 5540454 | Tag axle assembly | Ervin K. VanDenberg, Steven R. Miller, Jeffrey A. Russo | 1996-07-30 |