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| Number | Title | Issue Date |
| 8157185 | Strike attachment railroad signal line connector A system and method for non-invasively attaching components to railroad track rails. More specifically, a connector is provided that can quickly and effectively electrically connect one or more signal lines with a surface of the track rail. In one embodiment, the no... | 04/17/2012 |
| 8157186 | Strike attachment railroad anchor A system and method for non-invasively attaching components to railroad track rails. More specifically, a connector is provided that can quickly and effectively electrically connect one or more signal lines with a surface of the track rail. In one embodiment, the no... | 04/17/2012 |
| 6244517 | System for fixing an electric terminal connector System for attaching an electric terminal connector to an element, including a threaded rod being one of, integral with, or fixed to the element and a nut, provided with a clamping washer adapted to clamp a terminal connector on one of, the element, or an... | 06/12/2001 |
| 5280418 | Voltage regulation in a railway power distribution system Disclosed is an a.c. electric railway power distribution system comprising an a.c. busbar having at least first and second a.c. busbar sections electrically isolated by a non-energized busbar. Each of a.c. busbar sections is capable of having at least one... | 01/18/1994 |
| 4265400 | Concrete sleeper for track circuitry A concrete sleeper for track systems incorporating electrical circuitry, in which sleeper electrically conducting cables are embedded, and therefore concealed therein, with an assembly to allow electrical connection between the cables and associated track... | 05/05/1981 |
