Unisys Corp
Unisys CorActive Patents
0
Total Holdings
65
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB2020037A | Apparatus for and method of compensation for errors in theh… | Expired / Lapsed | 1979-04-27 | — | 0 | Details |
| US4494192A | High speed bus architecture | Expired / Lapsed | 1982-07-21 | 1985-01-15 | 23 | Details |
| US4410944A | Apparatus and method for maintaining cache memory integrity… | Expired / Lapsed | 1981-03-24 | 1983-10-18 | 7 | Details |
| US4228503A | Multiplexed directory for dedicated cache memory system | Expired / Lapsed | 1978-10-02 | 1980-10-14 | 12 | Details |
| US4097797A | Apparatus for testing electrical circuit units such as prin… | Expired / Lapsed | 1976-06-07 | 1978-06-27 | 12 | Details |
| US3967247A | Storage interface unit | Expired / Lapsed | 1974-11-11 | 1976-06-29 | 4 | Details |
| US3848234A | Multi-processor system with multiple cache memories | Expired / Lapsed | 1973-04-04 | 1974-11-12 | 18 | Details |
| US3749940A | Keyboard strobe filter for static keyboards | Expired / Lapsed | 1972-04-21 | 1973-07-31 | 5 | Details |
| US3732390A | Keyswitch | Expired / Lapsed | 1971-12-27 | 1973-05-08 | 4 | Details |
| US3693161A | Apparatus for interrogating the availability of a communica… | Expired / Lapsed | 1970-07-09 | 1972-09-19 | 7 | Details |
| US3559184A | Line adapter for data communication system | Expired / Lapsed | 1968-08-30 | 1971-01-26 | 0 | Details |
| US3555513A | Multiprocessor digital computer system with address modific… | Expired / Lapsed | 1967-10-11 | 1971-01-12 | 0 | Details |
| US3539998A | Communications system and remote scanner and control units | Expired / Lapsed | 1967-07-12 | 1970-11-10 | 0 | Details |
| US3537075A | Data storage timing system | Expired / Lapsed | 1967-08-14 | 1970-10-27 | 0 | Details |
| US3534339A | Service request priority resolver and encoder | Expired / Lapsed | 1967-08-24 | 1970-10-13 | 0 | Details |
| US3461433A | Relative addressing system for memories | Expired / Lapsed | 1967-01-27 | 1969-08-12 | 0 | Details |
| US3437998A | File control system | Expired / Lapsed | 1965-11-26 | 1969-04-08 | 0 | Details |
| US3417377A | Shift and buffer circuitry | Expired / Lapsed | 1966-09-13 | 1968-12-17 | 2 | Details |
| US3411139A | Modular multi-computing data processing system | Expired / Lapsed | 1965-11-26 | 1968-11-12 | 0 | Details |
| US3407387A | On-line banking system | Expired / Lapsed | 1965-03-01 | 1968-10-22 | 0 | Details |
| US3389380A | Signal responsive apparatus | Expired / Lapsed | 1965-10-05 | 1968-06-18 | 0 | Details |
| US3344401A | Inquiry system | Expired / Lapsed | 1963-03-15 | 1967-09-26 | 1 | Details |
| US3343132A | Data processing system | Expired / Lapsed | 1963-05-16 | 1967-09-19 | 2 | Details |
| US3339183A | Copy memory for a digital processor | Expired / Lapsed | 1964-11-16 | 1967-08-29 | 2 | Details |
| US3333252A | Time-dependent priority system | Expired / Lapsed | 1965-01-18 | 1967-07-25 | 2 | Details |
| US3331055A | Data communication system with matrix selection of line ter… | Expired / Lapsed | 1964-06-01 | 1967-07-11 | 2 | Details |
| US3297999A | Multi-programming computer | Expired / Lapsed | 1963-08-26 | 1967-01-10 | 2 | Details |
| US3292153A | Memory system | Expired / Lapsed | 1962-10-01 | 1966-12-13 | 2 | Details |
| US3292152A | Memory | Expired / Lapsed | 1962-09-17 | 1966-12-13 | 2 | Details |
| US3286236A | Electronic digital computer with automatic interrupt control | Expired / Lapsed | 1962-10-22 | 1966-11-15 | 1 | Details |
| US3277243A | Telephone adapter | Expired / Lapsed | 1962-12-19 | 1966-10-04 | 2 | Details |
| US3266022A | Computer addressing system | Expired / Lapsed | 1962-01-08 | 1966-08-09 | 2 | Details |
| US3200380A | Data processing system | Expired / Lapsed | 1961-02-16 | 1965-08-10 | 2 | Details |
| US3168724A | Computing device incorporating interruptible repeat instruc… | Expired / Lapsed | 1962-01-22 | 1965-02-02 | 1 | Details |
| US3161763A | Electronic digital computer with word field selection | Expired / Lapsed | 1959-01-26 | 1964-12-15 | 2 | Details |
| US3141151A | Magnetic tape storage system for digital computers wherein … | Expired / Lapsed | 1959-03-23 | 1964-07-14 | 2 | Details |
| US3049294A | Velocity and distance indicating system | Expired / Lapsed | 1957-01-23 | 1962-08-14 | 0 | Details |
| US3008077A | Adaptive autopilot servo system | Expired / Lapsed | 1960-01-06 | 1961-11-07 | 0 | Details |
| US2999968A | Switching circuit for nonlinear servo integral compensation | Expired / Lapsed | 1959-10-19 | 1961-09-12 | 0 | Details |
| US2992416A | Pulse control system | Expired / Lapsed | 1957-01-09 | 1961-07-11 | 0 | Details |
| US2991414A | Electrical apparatus | Expired / Lapsed | 1957-09-26 | 1961-07-04 | 0 | Details |
| US2989729A | Keyboard checking apparatus | Expired / Lapsed | 1958-12-10 | 1961-06-20 | 0 | Details |
| US2973438A | Ring counter | Expired / Lapsed | 1956-12-20 | 1961-02-28 | 0 | Details |
| US2972127A | Error responsive system | Expired / Lapsed | 1954-12-27 | 1961-02-14 | 0 | Details |
| US2962698A | Visual indicator system | Expired / Lapsed | 1958-05-23 | 1960-11-29 | 0 | Details |
| US2923833A | Selection system | Expired / Lapsed | 1955-04-26 | 1960-02-02 | 0 | Details |
| US2882525A | Unusual indicator presentation system | Expired / Lapsed | 1955-09-22 | 1959-04-14 | 0 | Details |
| US2835888A | Multiple pulsed navigation system | Expired / Lapsed | 1956-09-27 | 1958-05-20 | 0 | Details |
| US2834883A | Peak amplitude indicator | Expired / Lapsed | 1955-10-12 | 1958-05-13 | 0 | Details |
| US2828482A | Conversion systems | Expired / Lapsed | 1956-05-15 | 1958-03-25 | 0 | Details |
| US2812509A | Private line system | Expired / Lapsed | 1953-08-31 | 1957-11-05 | 0 | Details |
| US2808999A | Automatic flight control apparatus | Expired / Lapsed | 1949-05-07 | 1957-10-08 | 0 | Details |
| US2805020A | Binary arithmetic computer circuit | Expired / Lapsed | 1955-09-06 | 1957-09-03 | 0 | Details |
| US2731203A | Saturable core circuits for counting and the like | Expired / Lapsed | 1951-05-24 | 1956-01-17 | 0 | Details |
| US2729812A | Apparatus for converting digital information to an analog v… | Expired / Lapsed | 1954-10-04 | 1956-01-03 | 0 | Details |
| US2686299A | Selecting network | Expired / Lapsed | 1950-06-24 | 1954-08-10 | 0 | Details |
| US2677766A | Scalloped limacon pattern antenna | Expired / Lapsed | 1949-05-18 | 1954-05-04 | 0 | Details |
| US2651771A | Angular motion detector and position indicator | Expired / Lapsed | 1949-10-14 | 1953-09-08 | 0 | Details |
| US2602611A | Automatic pilot for aircraft | Expired / Lapsed | 1948-01-12 | 1952-07-08 | 0 | Details |
| US2595250A | Automatic recovery pilot for aircraft | Expired / Lapsed | 1945-05-15 | 1952-05-06 | 0 | Details |
| US2558758A | Radio velocity indicator | Expired / Lapsed | 1944-01-22 | 1951-07-03 | 0 | Details |
| US2464276A | Radiant energy directivity pattern scanner | Expired / Lapsed | 1943-08-03 | 1949-03-15 | 0 | Details |
| US2446546A | Pressure responsive controller device | Expired / Lapsed | 1947-06-10 | 1948-08-10 | 0 | Details |
| US2440777A | Tridimensional radio direction indicator | Expired / Lapsed | 1946-01-31 | 1948-05-04 | 0 | Details |
| US2437286A | Radar device | Expired / Lapsed | 1943-08-17 | 1948-03-09 | 0 | Details |