Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12095401 | Dynamic load system and method for simulating a crossing gate mechanism | Quinton Reed, Daniel Spencer | 2024-09-17 |
| 12065180 | Adaptor assembly for a gate mechanism | — | 2024-08-20 |
| 12065181 | Tamperproof gate mechanism | Daniel Spencer, Brian Joseph Hogan | 2024-08-20 |
| 12038049 | Method for withdrawal of a bearing from a gate mechanism | — | 2024-07-16 |
| 12005945 | Highway grade crossing gate system including a gate mechanism to rotate a gate arm with human machine interface and voltage reduction circuit | — | 2024-06-11 |
| 11326647 | Apparatus and method for removal of a main shaft bearing from a gate crossing mechanism using a bearing removal tool | — | 2022-05-10 |
| 11077872 | Signal light assembly | — | 2021-08-03 |
| 11027759 | Spring-loaded gate retraction device to return a rail-road crossing gate arm | Zhenzhong Long | 2021-06-08 |
| 10710618 | Mounting arrangement for railway wayside signal applications | Carrie Williamson, Nicholas Torris | 2020-07-14 |
| 9664367 | Level crossing light panel | Leonard Wydotis | 2017-05-30 |
| 9272721 | User configurable horizontal brake feature for railroad crossing gates | — | 2016-03-01 |
| 9090268 | Point lug and rail mount connections for a railroad point machine apparatus | — | 2015-07-28 |
| 7690702 | Lock bar for railroad gate warning mechanism | — | 2010-04-06 |
| 7392887 | Bladder actuator for a railroad retarder | Thomas J. Heyden, Mark Zawlocki | 2008-07-01 |
| 7140698 | Hydraulic control and operation system for a railroad car retarder | James D. Braatz, Lowell B. Ziese | 2006-11-28 |
| 6216525 | Distributive retarder test device | John J. Bernd | 2001-04-17 |