Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12384435 | Automated counterbalance system and method for determining counterbalance and adjusting counterweights of a crossing gate | — | 2025-08-12 |
| 11420663 | System and method for providing railroad grade crossing status information to autonomous vehicles | Jose Tondi Resta | 2022-08-23 |
| 11276947 | Feed thru disconnect/test terminal block | Zhenzhong Long, Barden J. Wing | 2022-03-15 |
| 10589766 | Railroad crossing gate monitoring and alarm system | — | 2020-03-17 |
| 9738293 | Adjustable railway wayside signal structure | Carrie Williamson | 2017-08-22 |
| 9664367 | Level crossing light panel | Richard C. Bohme | 2017-05-30 |
| 6484974 | Controller for switch machine | Raymond C. Franke, Robert P. Bozio | 2002-11-26 |
| 6474605 | Point detector sleeve for railroad switch machine and associated method | Fred E. Woodlief, Kevin McQuistian | 2002-11-05 |
| 6300734 | Motor control apparatus for a railway switch machine | Raymond C. Franke, Robert P. Bozio | 2001-10-09 |
| 6186448 | Captivity point detection system with single switch position target | Daniel Brushwood | 2001-02-13 |
| 6138959 | Low profile switch machine gear box | Marvin R. Wohlhueter, Kevin McQuistian | 2000-10-31 |
| 5527005 | Swing nose frog switch point adjuster | — | 1996-06-18 |