Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9925835 | Automatic tire inflation system with removable air conduit member | Robert X. Gao | 2018-03-27 |
| 9636954 | Tire air pressure maintenance device | Jeff Therber | 2017-05-02 |
| 8869850 | Axle to axle sealed airway for an onboard automatic tire inflation system | — | 2014-10-28 |
| 8327895 | Drive axle seal body and tire inflation system | — | 2012-12-11 |
| 6651689 | Valve stem assembly for a pneumatic tire | — | 2003-11-25 |
| 6425427 | On-axle tire inflation system | — | 2002-07-30 |
| 6206400 | Variable sized trailer ball hitch assembly | — | 2001-03-27 |
| 6203050 | Ball hitch with lock assembly | — | 2001-03-20 |
| D419122 | Vehicle hitch lock | — | 2000-01-18 |
| D415986 | Hitch ball and lock assembly | — | 1999-11-02 |
| D389397 | Theft inhibiting device for a gladhand air supply | — | 1998-01-20 |
| 5538062 | Pnuematic tire inflation system | — | 1996-07-23 |
| 5377736 | Driven axle vehicle inflation system | — | 1995-01-03 |
| 5287906 | Air control system for pneumatic tires on a vehicle | — | 1994-02-22 |