Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12370861 | Torque rod for vehicle suspension | Jeffrey R. Zawacki, Scott Allen Massa, Jason C. Fugitt, Matthew Kowalski | 2025-07-29 |
| 10994581 | Spread active clamp group for vehicle leaf spring | Dmitriy E. Rubalskiy, Scott Allen Massa, Jeffrey R. Zawacki, Michael P. Bloink, Damon E. Dilworth +1 more | 2021-05-04 |
| 10953499 | Brake system component axle mount | R. Scott Fulton, Andrew J. Westnedge, Dmitriy E. Rubalskiy, Phillippi R. Pierce | 2021-03-23 |
| 10744836 | Composite suspension components | Jeffrey R. Zawacki, Scott Allen Massa, Dmitriy E. Rubalskiy | 2020-08-18 |
| 10611206 | Air suspension control system | Jeffrey R. Zawacki, Ashley Thomas Dudding | 2020-04-07 |
| 10137749 | Air spring with damping characteristics for heavy-duty vehicles | Jeff R. Zawacki, Andrew J. Westnedge, Jason M. Ramus, Jacob D. Andreasen, Nicholas J. Giamati | 2018-11-27 |
| 9738131 | Air spring with damping characteristics for heavy-duty vehicles | Jeff R. Zawacki, Andrew J. Westnedge, Jason M. Ramus, Jacob D. Andreasen, Nicholas J. Giamati | 2017-08-22 |
| 9193236 | Heavy-duty vehicle axle-to-beam or crossbrace-to-beam connection | Andrew J. Westnedge, Jason P. Shiffler, Dmitriy E. Rubalskiy, Phillippi R. Pierce | 2015-11-24 |
| 9157529 | Piston for an air spring of a heavy-duty vehicle | Andrew J. Westnedge, Dmitriy E. Rubalskiy | 2015-10-13 |
| 9079467 | Heavy-duty vehicle axle-to-beam or crossbrace-to-beam connection | Andrew J. Westnedge, Dmitriy E. Rubalskiy, Phillippi R. Pierce | 2015-07-14 |
| 8540222 | Air spring for a heavy-duty vehicle with damping features | Andrew J. Westnedge | 2013-09-24 |
| 8528611 | Tire inflation system with parallel pump | Matt J. Wilson, Phillippi R. Pierce, Matthew VanMeter, Santo Padula | 2013-09-10 |
| 8454040 | Heavy-duty axle-to-beam connection | Andrew J. Westnedge, Dmitriy E. Rubalskiy, Phillippi R. Pierce | 2013-06-04 |
| 7766352 | Roll stable vehicle suspension system | — | 2010-08-03 |
| 6880839 | In-line lift axle suspension system | Michael J. Gottschalk | 2005-04-19 |
| 6808035 | Tandem rear axle suspensions for trucks and truck-tractors | — | 2004-10-26 |
| 6527286 | Vehicle suspension assembly | Ashley Thomas Dudding, Jerome Lim Cortez | 2003-03-04 |
| 6073947 | Substantially weld free frame bracket assembly | Michael J. Gottschalk | 2000-06-13 |
| 6007078 | Self-steering, caster adjustable suspension system | Michael J. Gottschalk | 1999-12-28 |
| 5810377 | Fabricated steer axle | Michael J. Gottschalk | 1998-09-22 |
| 5649719 | Linkage suspension system | Gareth Wallace, Tjong T. Lie, Michael Gottshalk, John E. Ramsey, Allen Hatch +2 more | 1997-07-22 |
| 5620194 | Self-steering suspension lockout mechanism | Michael J. Gottschalk | 1997-04-15 |
| 5403031 | Parallelogram lift axle suspension system with a control for axle caster adjustment | Michael J. Gottschalk | 1995-04-04 |
| 5366237 | Axle suspension systems | Scott Dilling, John E. Ramsey, Joseph M. Ross | 1994-11-22 |
| 5037126 | Lightweight beam suspension system | Michael J. Gottschalk, John E. Ramsey, Ervin K. Van Denberg | 1991-08-06 |