Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4700564 | Device for automatically identifying catenary posts of a railway track to locate faults detected on the railway track | Bernard Prasil | 1987-10-20 |
| 4700574 | Ultrasonic detection method of the internal defects of a railroad track rail located in the sides of the head of said rail and device to carry it out | — | 1987-10-20 |
| 4689995 | Method and apparatus for the non-destructive testing of railroad track rails | — | 1987-09-01 |
| 4662224 | Process and device for the automatic recognition and detection of discontinuities and irregularities in the rails of railroad tracks | — | 1987-05-05 |
| 4467653 | Method and apparatus for ultrasonic analysis | — | 1984-08-28 |
| 4457178 | Process and apparatus for testing of rails by ultrasound | Bruno Meignan | 1984-07-03 |