Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10134550 | Short circuit detection circuit | — | 2018-11-20 |
| 8704650 | Tractor-trailer coupling detection | Herbert Perten | 2014-04-22 |
| 7911330 | Tractor-trailer coupling detection | Herbert Perten | 2011-03-22 |
| 6863222 | System and method for freight refrigeration power control | Timothy P. Slifkin, Herbert Perten, Richard Bladek | 2005-03-08 |