Ferranti International PLC
Ferranti IActive Patents
0
Total Holdings
67
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| DE3327870A1 | GAS LASER | Expired / Lapsed | 1983-08-02 | — | 0 | Details |
| DE2852623A1 | Anti-collision system designed for use on lifting vehicles … | Expired / Lapsed | 1978-12-05 | — | 0 | Details |
| FR2381358A1 | NAVIGATION CALCULATOR | Expired / Lapsed | 1978-02-21 | — | 0 | Details |
| DE2805952A1 | CIRCUIT ARRANGEMENT FOR PLANNING ROUTES FROM INFORMATION ON… | Expired / Lapsed | 1978-02-13 | — | 0 | Details |
| DE2411559A1 | Electronic anti-skid control for car - with speed related i… | Expired / Lapsed | 1974-03-11 | — | 0 | Details |
| GB1077003A | Improvements relating to navigational display devices for u… | Expired / Lapsed | 1963-04-18 | — | 0 | Details |
| GB760321A | Improvements relating to measuring apparatus | Expired / Lapsed | 1953-03-14 | — | 0 | Details |
| GB603644A | Improvements relating to the measurement of the velocity of… | Expired / Lapsed | 1945-08-08 | — | 0 | Details |
| GB591172A | Improvements relating to the electrical measurement or vari… | Expired / Lapsed | 1944-09-19 | — | 0 | Details |
| GB472891A | Improvements in or relating to methods and/or apparatus for… | Expired / Lapsed | 1936-01-29 | — | 0 | Details |
| GB400191A | Improvements in and relating to electrical apparatus for th… | Expired / Lapsed | 1932-01-13 | — | 0 | Details |
| US4722601A | Apparatus for determining the direction of a line of sight | Expired / Lapsed | 1984-07-19 | 1988-02-02 | 9 | Details |
| US4691446A | Three-dimensional position measuring apparatus | Expired / Lapsed | 1986-09-02 | 1987-09-08 | 7 | Details |
| US4647142A | Method of extending the field of view in a head-up display | Expired / Lapsed | 1983-12-08 | 1987-03-03 | 6 | Details |
| US4641038A | Imaging device | Expired / Lapsed | 1983-06-22 | 1987-02-03 | 21 | Details |
| US4458982A | Optical scanning system including a rotatable drum with mir… | Expired / Lapsed | 1982-03-24 | 1984-07-10 | 9 | Details |
| US4369485A | Circuit assemblies each with a component cooperating with a… | Expired / Lapsed | 1980-03-27 | 1983-01-18 | 13 | Details |
| US4339172A | Connector having a single segmented deformable grip member … | Expired / Lapsed | 1980-03-31 | 1982-07-13 | 7 | Details |
| US4023660A | Follow-up servo systems for clutches | Expired / Lapsed | 1975-10-23 | 1977-05-17 | 10 | Details |
| US3952731A | Cardiac monitoring apparatus | Expired / Lapsed | 1974-12-12 | 1976-04-27 | 11 | Details |
| US3909605A | Topographic data processing systems | Expired / Lapsed | 1973-11-09 | 1975-09-30 | 8 | Details |
| US3900703A | Training simulators for submarine periscopes | Expired / Lapsed | 1973-08-30 | 1975-08-19 | 13 | Details |
| US3840303A | Device for detection of blemishes in the surface of symmetr… | Expired / Lapsed | 1973-07-18 | 1974-10-08 | 8 | Details |
| US3836261A | Device for detection of blemishes on opposite faces of a pl… | Expired / Lapsed | 1973-07-18 | 1974-09-17 | 8 | Details |
| US3801720A | Digital display generators | Expired / Lapsed | 1971-10-29 | 1974-04-02 | 15 | Details |
| US3775699A | Laser having a gas-filled fabry-perot etalon mode selector | Expired / Lapsed | 1971-02-03 | 1973-11-27 | 14 | Details |
| US3680206A | Assemblies of semiconductor devices having mounting pillars… | Expired / Lapsed | 1969-06-23 | 1972-08-01 | 13 | 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 |
| US3449542A | Photoelectric control means for deflecting beamed energy as… | Expired / Lapsed | 1966-10-11 | 1969-06-10 | 0 | Details |
| US3436753A | Apparatus for counting electrical pulses | Expired / Lapsed | 1965-05-07 | 1969-04-01 | 0 | Details |
| US3404623A | Screen printing apparatus | Expired / Lapsed | 1967-04-11 | 1968-10-08 | 0 | Details |
| US3383499A | Electrical pulse counting systems | Expired / Lapsed | 1965-05-28 | 1968-05-14 | 2 | Details |
| US3379937A | Semiconductor circuit assemblies | Expired / Lapsed | 1963-04-24 | 1968-04-23 | 2 | Details |
| US3359408A | Navigational display devices for use on moving vehicles | Expired / Lapsed | 1964-04-14 | 1967-12-19 | 2 | Details |
| US3335416A | Character display systems | Expired / Lapsed | 1964-08-10 | 1967-08-08 | 2 | 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 |
| US3227888A | Photoelectric or magnetic apparatus for determining the ext… | Expired / Lapsed | 1962-03-20 | 1966-01-04 | 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 |
| US3098186A | Control apparatus for positioning an object | Expired / Lapsed | 1959-06-04 | 1963-07-16 | 2 | Details |
| US3096467A | Brushless d. c. motor with permanent magnet rotor | Expired / Lapsed | 1960-10-07 | 1963-07-02 | 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 |
| US3018476A | Apparatus for displaying to a gunner or pilot in an aircraf… | Expired / Lapsed | 1956-09-21 | 1962-01-23 | 0 | Details |
| US3011136A | Electro-acoustic delay-line | Expired / Lapsed | 1959-08-17 | 1961-11-28 | 0 | Details |
| US3008014A | Electrostatic loudspeakers | Expired / Lapsed | 1957-09-12 | 1961-11-07 | 0 | Details |
| US2985366A | Devices for the recognition of printed characters | Expired / Lapsed | 1957-12-06 | 1961-05-23 | 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 |
| US2866128A | Cathode-ray display apparatus | Expired / Lapsed | 1957-05-28 | 1958-12-23 | 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 |
| US2460199A | Measurement or variation of physical states of materials | Expired / Lapsed | 1946-10-21 | 1949-01-25 | 0 | Details |
| US1752239A | Protection of metals | Expired / Lapsed | 1925-02-10 | 1930-03-25 | 0 | Details |