British Railways Board
British RaActive Patents
0
Total Holdings
10
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| DE2204947A1 | Train communication system | Expired / Lapsed | 1972-02-03 | — | 0 | Details |
| DE1605389A1 | Arrangement for the transmission of information about movin… | Expired / Lapsed | 1967-07-01 | — | 0 | Details |
| US4247768A | Vehicle velocity related measuring systems | Expired / Lapsed | 1978-11-30 | 1981-01-27 | 17 | Details |
| US3937432A | Train control | Expired / Lapsed | 1974-06-21 | 1976-02-10 | 10 | Details |
| US3888437A | Vehicle control systems | Expired / Lapsed | 1973-06-11 | 1975-06-10 | 9 | Details |
| US3781792A | Error detection in communication system by repetition of da… | Expired / Lapsed | 1972-01-03 | 1973-12-25 | 7 | Details |
| US3737577A | Communication systems for receiving and checking repeatedly… | Expired / Lapsed | 1971-10-22 | 1973-06-05 | 6 | Details |
| FR2139471A5 | FR2139471A5 - - Google Patents | Expired / Lapsed | 1972-05-12 | 1973-01-05 | 0 | Details |
| US3700886A | Communication systems between a trackway and vehicles | Expired / Lapsed | 1970-10-30 | 1972-10-24 | 8 | Details |
| US3683680A | Ultrasonic flaw detection apparatus | Expired / Lapsed | 1970-02-03 | 1972-08-15 | 9 | Details |