Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12270393 | Providing backpressure for electric compressor | — | 2025-04-08 |
| 9802593 | Multi-pressure valve controller and method for a vehicle braking system | Timothy J. Frashure, Robert J. Custer | 2017-10-31 |
| 9563987 | Vehicle inspection verification and diagnostic unit | Timothy J. Frashure, James P. Porter | 2017-02-07 |
| 9101856 | Purge exhaust processor | Leonard A. Quinn, Randall W. Nichols, William P. Fornof, Fred W. Hoffman | 2015-08-11 |
| 8731795 | System and method for reducing brake fade | Timothy J. Frashure | 2014-05-20 |
| 8521389 | Spring brake valve | Travis G. Ramler | 2013-08-27 |
| 8249789 | Spring brake valve | Travis G. Ramler | 2012-08-21 |
| 7575285 | Locking mechanism for valve handle | Brian Bobby, Travis G. Ramler | 2009-08-18 |
| 6358300 | Lithium chloride desiccant for trailer air dryer and pressure swing dehydration | William P. Fornof | 2002-03-19 |
| 6358291 | Trailer air dryer with bypass valving and service indicator | James P. Koenig, Leonard A. Quinn, Fred W. Hoffman | 2002-03-19 |
| 6125553 | Controller module for continuous flow twin air dryers and process of controlling same | Leonard L. Quinn | 2000-10-03 |
| 6076272 | Single plate compaction and seal design for a compressed air dryer | Scott Alexander | 2000-06-20 |