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| 9873140 | Foreign material removing device of track turnout portion | Sep 11, 12 | Jan 23, 18 | EAST JAPAN RAILWAY COMPANY, NABTESCO CORPORATION, |
| 9834234 | Backup power notification system for railroad installations | Jan 08, 16 | Dec 05, 17 | Not available |
| 9821823 | Track circuit power supply vital monitor | Aug 09, 13 | Nov 21, 17 | ALSTOM TRANSPORT TECHNOLOGIES |
| 9689911 | System and method employing joint bypass circuit to test insulated joints in track systems | Feb 26, 15 | Jun 27, 17 | ALSTOM TRANSPORT TECHNOLOGIES |
| 9656681 | Circuit arrangement for revealing light signal errors | Nov 14, 13 | May 23, 17 | SIEMENS AKTIENGESELLSCHAFT |
| 9598093 | Signal detection system and method | Nov 05, 12 | Mar 21, 17 | ALSTOM TRANSPORT TECHNOLOGIES |
| 9562952 | Method and apparatus for revealing errors in the case of a light signal | Nov 14, 13 | Feb 07, 17 | SIEMENS AKTIENGESELLSCHAFT |
| 9419398 | Adaptive energy transfer system and method | Jul 11, 13 | Aug 16, 16 | GENERAL ELECTRIC COMPANY |
| 9315959 | Foreign matter removing apparatus at track branch, and nozzle used in the same | Jul 26, 12 | Apr 19, 16 | NABTESCO CORPORATION |
| 9254852 | Methods and system of automating track circuit calibration | May 23, 12 | Feb 09, 16 | GENERAL ELECTRIC COMPANY |
| 9168937 | Multi-function dragger | Oct 24, 12 | Oct 27, 15 | PROGRESS RAIL SERVICES CORPORATION |
| 9090270 | Speed sensitive dragging equipment detector | Oct 24, 12 | Jul 28, 15 | PROGRESS RAIL SERVICES CORPORATION |
| 6393344 | Interference current monitoring | Dec 07, 00 | May 21, 02 | DAIMLERCHRYSLER RAIL SYSTEMS GMBH |
| 5924654 | Railroad car sensing system | Oct 06, 97 | Jul 20, 99 | STANDARD CAR TRUCK COMPANY |
| 5433111 | Apparatus and method for detecting defective conditions in railway vehicle wheels and railtracks | May 05, 94 | Jul 18, 95 | GENERAL ELECTRIC COMPANY |
| 5368260 | Wayside monitoring of the angle-of-attack of railway vehicle wheelsets | Nov 02, 93 | Nov 29, 94 | Canadian Pacific Limited, WAYSIDE INSPECTION DEVICES, INC., |
| 4979392 | Railroad track fault detector | Nov 08, 89 | Dec 25, 90 | THE CHARLES STARK DRAPER LABORATORY, INC. |
| 4895324 | Reusable derailment detection and signaling device | Jan 12, 89 | Jan 23, 90 | Not available |
| 4696446 | System for detecting flat portion of peripheral surface of vehicle wheel | Mar 20, 84 | Sep 29, 87 | Japanese National Railways, SHINKO ELECTRIC INDUSTRIES CO., LTD., |