Ferranti International PLC
Ferranti IActive Patents
0
Total Holdings
29
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB1077003A | Improvements relating to navigational display devices for u… | Expired / Lapsed | 1963-04-18 | — | 0 | Details |
| GB603644A | Improvements relating to the measurement of the velocity of… | Expired / Lapsed | 1945-08-08 | — | 0 | Details |
| US4691446A | Three-dimensional position measuring apparatus | Expired / Lapsed | 1986-09-02 | 1987-09-08 | 7 | Details |
| US3909605A | Topographic data processing systems | Expired / Lapsed | 1973-11-09 | 1975-09-30 | 8 | Details |
| US3836261A | Device for detection of blemishes on opposite faces of a pl… | Expired / Lapsed | 1973-07-18 | 1974-09-17 | 8 | Details |
| US3662312A | Semiconductor strain transducers | Expired / Lapsed | 1969-03-24 | 1972-05-09 | 17 | Details |
| US3648030A | Scale conversion apparatus | Expired / Lapsed | 1969-09-16 | 1972-03-07 | 8 | Details |
| US3500470A | Electronic display systems | Expired / Lapsed | 1967-02-08 | 1970-03-10 | 0 | Details |
| US3471835A | Information storage devices using delay lines | Expired / Lapsed | 1966-04-04 | 1969-10-07 | 0 | Details |
| US3335404A | Continuous monitor and binary chain code transmitter and re… | Expired / Lapsed | 1963-07-05 | 1967-08-08 | 2 | Details |
| US3311773A | Phosphor fibre face plate for cathode-ray tubes | Expired / Lapsed | 1962-12-03 | 1967-03-28 | 2 | Details |
| US3218613A | Information storage devices | Expired / Lapsed | 1963-09-18 | 1965-11-16 | 1 | Details |
| US3193667A | Error checking circuit for electronic counters | Expired / Lapsed | 1961-11-06 | 1965-07-06 | 2 | Details |
| US3061821A | Information storage devices | Expired / Lapsed | 1960-03-08 | 1962-10-30 | 0 | Details |
| US3036271A | Apparatus for separating the rectangular and pulsed form co… | Expired / Lapsed | 1960-08-12 | 1962-05-22 | 0 | Details |
| US3011136A | Electro-acoustic delay-line | Expired / Lapsed | 1959-08-17 | 1961-11-28 | 0 | Details |
| US2983872A | Signal-translating apparatus | Expired / Lapsed | 1958-12-01 | 1961-05-09 | 0 | Details |
| US2975329A | Electronic counters | Expired / Lapsed | 1958-09-25 | 1961-03-14 | 0 | Details |
| US2886718A | Measuring apparatus | Expired / Lapsed | 1956-05-24 | 1959-05-12 | 0 | Details |
| US2886717A | Measuring apparatus | Expired / Lapsed | 1954-03-12 | 1959-05-12 | 0 | Details |
| US2849703A | Electronic selector stages | Expired / Lapsed | 1955-10-10 | 1958-08-26 | 0 | Details |
| US2779654A | Graphical recording systems | Expired / Lapsed | 1950-11-02 | 1957-01-29 | 0 | Details |
| US2730694A | Amplitude recording system utilizing saturable core reactors | Expired / Lapsed | 1952-01-29 | 1956-01-10 | 0 | Details |
| US2686222A | Electric signal translating and recording device | Expired / Lapsed | 1952-02-14 | 1954-08-10 | 0 | Details |
| US2672605A | Indicating apparatus | Expired / Lapsed | 1952-01-08 | 1954-03-16 | 0 | Details |
| US2588743A | Servo control system | Expired / Lapsed | 1950-06-12 | 1952-03-11 | 0 | Details |
| US2588742A | Servo control system | Expired / Lapsed | 1950-06-12 | 1952-03-11 | 0 | Details |
| US2527245A | Gyroscopically controlled gunsight | Expired / Lapsed | 1944-03-17 | 1950-10-24 | 0 | Details |
| US2508081A | Measurement or variation of physical states of materials | Expired / Lapsed | 1946-10-21 | 1950-05-16 | 0 | Details |