Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1071143 | Backplate for mask | Michael Foerster | 2025-04-15 |
| 11992076 | Mask | Aaron Engel | 2024-05-28 |
| 11794545 | Lift axle suspension system for a heavy-duty vehicle, which suspension system uses X-rod control arms for improved lateral stability | Kevin C. Schlack | 2023-10-24 |
| 11712938 | Pistonless pneumatic dampening and straight centering for a steerable axle of a heavy-duty vehicle | Kevin C. Schlack | 2023-08-01 |
| 11597246 | Mechanical slider suspension optimized with air ride | Kevin C. Schlack | 2023-03-07 |
| 10912345 | Mask | Aaron Engel | 2021-02-09 |
| 10807428 | Leaf-spring suspension systems with compliant oversized pivot bushings | Kevin C. Schlack | 2020-10-20 |
| 10632807 | Powered vehicle suspension assembly | Jeffrey M. Galla, Jason Heath | 2020-04-28 |
| 10532620 | Mechanism and suspension to improve stability and handling for knuckle-boom loader trailers in off-road conditions | Jeff B. Pitts | 2020-01-14 |
| D866870 | Athletic face mask | Austin Hedges, Mark Rogow | 2019-11-12 |
| 10370033 | Sliding sub-frame for heavy-duty vehicle suspension, including torque box, air slider pin, and shear-off nut | — | 2019-08-06 |
| 10011153 | Suspension for vans or semi-trailers mounted under a sliding frame, which frame has bolted-in cross members, independent air spring towers, and, oil-free shocks | — | 2018-07-03 |
| 9961943 | Athletic sock | — | 2018-05-08 |
| 9949523 | Mask | Aaron Engel | 2018-04-24 |
| 9505284 | Lateral-stability promoting semi-trailer suspension | Kevin C. Schlack | 2016-11-29 |
| 8919793 | Lateral-stability promoting semi-trailer suspension | Kevin C. Schlack | 2014-12-30 |
| 8371596 | Suspension system for heavy and vocational vehicles | Marc Johnson, Mark Molitor, Jeffrey M. Galla, David Roe, Daniel R. Dykstra | 2013-02-12 |
| 7267348 | Vehicular suspension systems | Emmitt A. Scammahorn, Kevin C. Schlack | 2007-09-11 |
| 6843490 | Suspension beam and bush attachment assembly | John E. Raidel, Bruce Barton, Emmitt A. Scammahorn | 2005-01-18 |
| 5375871 | Vehicle suspension system comprising a wide base beam and axle shell | James Mitchell | 1994-12-27 |