Bull HN Information Systems Inc
Bull HN InActive Patents
0
Total Holdings
82
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| EP0491367A2 | A queue managing method for an electronic mail system | Expired / Lapsed | 1991-12-17 | — | 10 | Details |
| EP0321694A2 | Method for a Data processing system using incompatible cent… | Expired / Lapsed | 1988-11-14 | — | 23 | Details |
| EP0261690A2 | Method for using descriptor file describing control structu… | Expired / Lapsed | 1987-09-25 | — | 11 | Details |
| US6249880B1 | Method and apparatus for exhaustively testing interactions … | Expired / Lapsed | 1998-09-17 | 2001-06-19 | 25 | Details |
| US5367697A | Means for providing a graceful power shut-down capability i… | Expired / Lapsed | 1991-10-22 | 1994-11-22 | 5 | Details |
| US5134706A | Bus interface interrupt apparatus | Expired / Lapsed | 1990-04-19 | 1992-07-28 | 8 | Details |
| US5111384A | System for performing dump analysis | Expired / Lapsed | 1990-02-16 | 1992-05-05 | 28 | Details |
| US4999787A | Hot extraction and insertion of logic boards in an on-line … | Expired / Lapsed | 1988-07-15 | 1991-03-12 | 10 | Details |
| US4802087A | Multiprocessor level change synchronization apparatus | Expired / Lapsed | 1986-06-27 | 1989-01-31 | 15 | Details |
| US4707784A | Prioritized secondary use of a cache with simultaneous acce… | Expired / Lapsed | 1986-08-06 | 1987-11-17 | 2 | Details |
| USD287590S | Desk mounted factory data collection terminal or similar ar… | Expired / Lapsed | 1983-09-30 | 1987-01-06 | 1 | Details |
| US4587609A | Lockout operation among asynchronous accessers of a shared … | Expired / Lapsed | 1983-07-01 | 1986-05-06 | 22 | Details |
| US4575033A | Tilt-swivel base for a CRT display terminal | Expired / Lapsed | 1983-04-04 | 1986-03-11 | 21 | Details |
| USD280198S | Desktop computer system | Expired / Lapsed | 1983-02-23 | 1985-08-20 | 1 | Details |
| US4527238A | Cache with independent addressable data and directory arrays | Expired / Lapsed | 1983-02-28 | 1985-07-02 | 5 | Details |
| US4521851A | Central processor | Expired / Lapsed | 1982-10-13 | 1985-06-04 | 8 | Details |
| US4493524A | Factory data collection terminal conduit enclosure | Expired / Lapsed | 1981-06-26 | 1985-01-15 | 5 | Details |
| US4479198A | Modular computer system | Expired / Lapsed | 1983-02-23 | 1984-10-23 | 54 | Details |
| US4438490A | Clock control of a central processing unit from a monitor i… | Expired / Lapsed | 1981-10-01 | 1984-03-20 | 7 | Details |
| US4432051A | Process execution time accounting system | Expired / Lapsed | 1980-10-30 | 1984-02-14 | 6 | Details |
| US4388671A | Cathode ray tube display terminal having an enclosure for p… | Expired / Lapsed | 1981-06-29 | 1983-06-14 | 8 | Details |
| US4371928A | Interface for controlling information transfers between mai… | Expired / Lapsed | 1980-04-15 | 1983-02-01 | 13 | Details |
| US4370708A | Logic system for selectively reconfiguring an intersystem c… | Expired / Lapsed | 1980-01-07 | 1983-01-25 | 3 | Details |
| US4368867A | Tilt base for a CRT display terminal | Expired / Lapsed | 1981-06-29 | 1983-01-18 | 50 | Details |
| US4363095A | Hit/miss logic for a cache memory | Expired / Lapsed | 1980-12-31 | 1982-12-07 | 15 | Details |
| US4354232A | Cache memory command buffer circuit | Expired / Lapsed | 1980-09-11 | 1982-10-12 | 7 | Details |
| US4322795A | Cache memory utilizing selective clearing and least recentl… | Expired / Lapsed | 1980-01-24 | 1982-03-30 | 14 | Details |
| US4314331A | Cache unit information replacement apparatus | Expired / Lapsed | 1978-12-11 | 1982-02-02 | 38 | Details |
| US4308615A | Microprocessor based maintenance system | Expired / Lapsed | 1979-09-17 | 1981-12-29 | 19 | Details |
| US4291371A | I/O Request interrupt mechanism | Expired / Lapsed | 1979-01-02 | 1981-09-22 | 8 | Details |
| US4290137A | Apparatus and method of testing CML circuits | Expired / Lapsed | 1979-12-26 | 1981-09-15 | 16 | Details |
| US4253145A | Hardware virtualizer for supporting recursive virtual compu… | Expired / Lapsed | 1978-12-26 | 1981-02-24 | 6 | Details |
| US4249172A | Row address linking control system for video display termin… | Expired / Lapsed | 1979-09-04 | 1981-02-03 | 4 | Details |
| US4240140A | CRT display terminal priority interrupt apparatus for gener… | Expired / Lapsed | 1978-12-26 | 1980-12-16 | 6 | Details |
| US4236227A | Data storage system | Expired / Lapsed | 1979-01-02 | 1980-11-25 | 14 | Details |
| US4234919A | Intersystem communication link | Expired / Lapsed | 1978-10-31 | 1980-11-18 | 12 | Details |
| US4231086A | Multiple CPU control system | Expired / Lapsed | 1978-10-31 | 1980-10-28 | 2 | Details |
| US4225922A | Command queue apparatus included within a cache unit for fa… | Expired / Lapsed | 1978-12-11 | 1980-09-30 | 44 | Details |
| US4195343A | Round robin replacement for a cache store | Expired / Lapsed | 1977-12-22 | 1980-03-25 | 12 | Details |
| US4181974A | System providing multiple outstanding information requests | Expired / Lapsed | 1978-01-05 | 1980-01-01 | 19 | Details |
| US4173783A | Method of accessing paged memory by an input-output unit | Expired / Lapsed | 1977-05-02 | 1979-11-06 | 4 | Details |
| US4161784A | Microprogrammable floating point arithmetic unit capable of… | Expired / Lapsed | 1978-01-05 | 1979-07-17 | 43 | Details |
| US4161024A | Private cache-to-CPU interface in a bus oriented data proce… | Expired / Lapsed | 1977-12-22 | 1979-07-10 | 4 | Details |
| US4156932A | Programmable communications controller | Expired / Lapsed | 1977-07-05 | 1979-05-29 | 7 | Details |
| US4156111A | Apparatus for transition between network control and link c… | Expired / Lapsed | 1977-05-18 | 1979-05-22 | 5 | Details |
| US4127768A | Data processing system self-test enabling technique | Expired / Lapsed | 1977-01-03 | 1978-11-28 | 10 | Details |
| US4124891A | Memory access system | Expired / Lapsed | 1976-11-18 | 1978-11-07 | 30 | Details |
| US4099255A | Interrupt apparatus for enabling interrupt service in respo… | Expired / Lapsed | 1976-12-10 | 1978-07-04 | 10 | Details |
| US4084235A | Emulation apparatus | Expired / Lapsed | 1975-04-14 | 1978-04-11 | 32 | Details |
| US4080649A | Balancing the utilization of I/O system processors | Expired / Lapsed | 1976-12-16 | 1978-03-21 | 46 | Details |
| US4079451A | Word, byte and bit indexed addressing in a data processing … | Expired / Lapsed | 1976-04-07 | 1978-03-14 | 14 | Details |
| US4075686A | Input/output cache system including bypass capability | Expired / Lapsed | 1976-12-30 | 1978-02-21 | 38 | Details |
| US4074353A | Trap mechanism for a data processing system | Expired / Lapsed | 1976-05-24 | 1978-02-14 | 14 | Details |
| US4070704A | Automatic reconfiguration apparatus for input/output proces… | Expired / Lapsed | 1976-05-17 | 1978-01-24 | 7 | Details |
| US4050097A | Synchronization technique for data transfers over an asynch… | Expired / Lapsed | 1976-09-27 | 1977-09-20 | 13 | Details |
| US4048481A | Diagnostic testing apparatus and method | Expired / Lapsed | 1974-12-17 | 1977-09-13 | 34 | Details |
| US4044334A | Database instruction unload | Expired / Lapsed | 1975-06-19 | 1977-08-23 | 13 | Details |
| US4030075A | Data processing system having distributed priority network | Expired / Lapsed | 1975-06-30 | 1977-06-14 | 27 | Details |
| US4028668A | Apparatus for selectively addressing sections and locations… | Expired / Lapsed | 1975-12-22 | 1977-06-07 | 18 | Details |
| US4025906A | Apparatus for identifying the type of devices coupled to a … | Expired / Lapsed | 1975-12-22 | 1977-05-24 | 16 | Details |
| US4024508A | Database instruction find serial | Expired / Lapsed | 1975-06-19 | 1977-05-17 | 11 | Details |
| US4020471A | Interrupt scan and processing system for a data processing … | Expired / Lapsed | 1975-06-30 | 1977-04-26 | 17 | Details |
| US4017839A | Input/output multiplexer security system | Expired / Lapsed | 1975-06-30 | 1977-04-12 | 28 | Details |
| US4013835A | Data entry system | Expired / Lapsed | 1975-10-23 | 1977-03-22 | 25 | Details |
| US4012625A | Non-logic printed wiring board test system | Expired / Lapsed | 1975-09-05 | 1977-03-15 | 22 | Details |
| US4010450A | Fail soft memory | Expired / Lapsed | 1975-03-26 | 1977-03-01 | 27 | Details |
| US4007479A | Fixture for an integrated circuit chip | Expired / Lapsed | 1976-03-29 | 1977-02-08 | 28 | Details |
| US4006468A | Dynamic memory initializing apparatus | Expired / Lapsed | 1975-09-02 | 1977-02-01 | 8 | Details |
| US4006466A | Programmable interface apparatus and method | Expired / Lapsed | 1975-03-26 | 1977-02-01 | 28 | Details |
| US4000485A | Data processing system providing locked operation of shared… | Expired / Lapsed | 1975-06-30 | 1976-12-28 | 14 | Details |
| US4000487A | Steering code generating apparatus for use in an input/outp… | Expired / Lapsed | 1975-03-26 | 1976-12-28 | 25 | Details |
| US3995258A | Data processing system having a data integrity technique | Expired / Lapsed | 1975-06-30 | 1976-11-30 | 15 | Details |
| US3993981A | Apparatus for processing data transfer requests in a data p… | Expired / Lapsed | 1975-06-30 | 1976-11-23 | 20 | Details |
| US3986944A | Method for obtaining adhesion of multilayer thin films | Expired / Lapsed | 1975-06-27 | 1976-10-19 | 7 | Details |
| US3984820A | Apparatus for changing the interrupt level of a process exe… | Expired / Lapsed | 1975-06-30 | 1976-10-05 | 12 | Details |
| US3976977A | Processor for input-output processing system | Expired / Lapsed | 1975-03-26 | 1976-08-24 | 9 | Details |
| US3976979A | Coupler for providing data transfer between host and remote… | Expired / Lapsed | 1974-01-02 | 1976-08-24 | 10 | Details |
| US3950735A | Method and apparatus for dynamically controlling read/write… | Expired / Lapsed | 1974-01-04 | 1976-04-13 | 18 | Details |
| US3949372A | System for extending the interior decor of a microprogramme… | Expired / Lapsed | 1974-10-02 | 1976-04-06 | 12 | Details |
| US3949371A | Input-output system having cyclical scanning of interrupt r… | Expired / Lapsed | 1974-08-07 | 1976-04-06 | 12 | Details |
| US3938096A | Apparatus for developing an address of a segment within mai… | Expired / Lapsed | 1973-12-17 | 1976-02-10 | 10 | Details |
| US3934232A | Interprocessor communication apparatus for a data processin… | Expired / Lapsed | 1974-04-25 | 1976-01-20 | 10 | Details |