Assignee
TANDEM COMPUTERS INC
US·312 granted patents·1 pending application·21,739 citations·filing 1976–2004
Top patents by PatentIndex Score
313 records- 0198US5287472AMemory system using linear array wafer scale integration architectureTANDEM COMPUTERS INC·Filed 1990·Granted Feb 15, 1994·167 cites·29 claims
- 0298US4965717AMultiple processor system having shared memory with private-write capabilityTANDEM COMPUTERS INC·Filed 1988·Granted Oct 23, 1990·253 cites·20 claims
- 0398US4228496AMultiprocessor systemTANDEM COMPUTERS INC·Filed 1976·Granted Oct 14, 1980·432 cites·80 claims
- 0497US4817091AFault-tolerant multiprocessor systemTANDEM COMPUTERS INC·Filed 1987·Granted Mar 28, 1989·210 cites·11 claims
- 0597US4639864APower interlock system and method for use with multiprocessor systemsTANDEM COMPUTERS INC·Filed 1980·Granted Jan 27, 1987·150 cites·5 claims
- 0697US4356550AMultiprocessor systemTANDEM COMPUTERS INC·Filed 1980·Granted Oct 26, 1982·150 cites·7 claims
- 0796US4941170AFacsimile transmissions systemTANDEM COMPUTERS INC·Filed 1989·Granted Jul 10, 1990·280 cites·31 claims
- 0896US4484275AMultiprocessor systemTANDEM COMPUTERS INC·Filed 1983·Granted Nov 20, 1984·115 cites·8 claims
- 0995US5822747ASystem and method for optimizing database queriesTANDEM COMPUTERS INC·Filed 1996·Granted Oct 13, 1998·278 cites·28 claims
- 1095US4807116AInterprocessor communicationTANDEM COMPUTERS INC·Filed 1987·Granted Feb 21, 1989·138 cites·4 claims
- 1195US4672535AMultiprocessor systemTANDEM COMPUTERS INC·Filed 1985·Granted Jun 9, 1987·124 cites·21 claims
- 1295US4667287AMultiprocessor multisystem communications networkTANDEM COMPUTERS INC·Filed 1982·Granted May 19, 1987·211 cites·1 claims
- 1395US4663706AMultiprocessor multisystem communications networkTANDEM COMPUTERS INC·Filed 1983·Granted May 5, 1987·213 cites·3 claims
- 1495US4378588ABuffer control for a data path systemTANDEM COMPUTERS INC·Filed 1980·Granted Mar 29, 1983·112 cites·6 claims
- 1595US4365295AMultiprocessor systemTANDEM COMPUTERS INC·Filed 1980·Granted Dec 21, 1982·102 cites·7 claims
- 1694US5295258AFault-tolerant computer system with online recovery and reintegration of redundant componentsTANDEM COMPUTERS INC·Filed 1990·Granted Mar 15, 1994·310 cites·29 claims
- 1794US5193175AFault-tolerant computer with three independently clocked processors asynchronously executing identical code that are synchronized upon each voted access to two memory modulesTANDEM COMPUTERS INC·Filed 1991·Granted Mar 9, 1993·178 cites·26 claims
- 1894US4827476AScan test apparatus for digital systems having dynamic random access memoryTANDEM COMPUTERS INC·Filed 1987·Granted May 2, 1989·85 cites·8 claims
- 1993US6031993AMethod and apparatus for translating source code from one high-level computer language to anotherTANDEM COMPUTERS INC·Filed 1998·Granted Feb 29, 2000·220 cites·6 claims
- 2093US5751955AMethod of synchronizing a pair of central processor units for duplex, lock-step operation by copying data into a corresponding locations of another memoryTANDEM COMPUTERS INC·Filed 1995·Granted May 12, 1998·233 cites·7 claims
- 2193US5745753ARemote duplicate database facility with database replication support for online DDL operationsTANDEM COMPUTERS INC·Filed 1995·Granted Apr 28, 1998·195 cites·28 claims
- 2293US5625815ARelational database system and method with high data availability during table data restructuringTANDEM COMPUTERS INC·Filed 1996·Granted Apr 29, 1997·375 cites·12 claims
- 2393US5511190AHash-based database grouping system and methodTANDEM COMPUTERS INC·Filed 1995·Granted Apr 23, 1996·269 cites·8 claims
- 2493US5384906AMethod and apparatus for synchronizing a plurality of processorsTANDEM COMPUTERS INC·Filed 1993·Granted Jan 24, 1995·145 cites·16 claims
- 2593US5317726AMultiple-processor computer system with asynchronous execution of identical code streamsTANDEM COMPUTERS INC·Filed 1991·Granted May 31, 1994·202 cites·17 claims
- 2693US5317752AFault-tolerant computer system with auto-restart after power-fallTANDEM COMPUTERS INC·Filed 1992·Granted May 31, 1994·387 cites·16 claims
- 2793US5311408AElectronic assembly with improved grounding and EMI shieldingTANDEM COMPUTERS INC·Filed 1993·Granted May 10, 1994·111 cites·6 claims
- 2892US5914953ANetwork message routing using routing table information and supplemental enable information for deadlock preventionTANDEM COMPUTERS INC·Filed 1995·Granted Jun 22, 1999·159 cites·12 claims
- 2992US5751932AFail-fast, fail-functional, fault-tolerant multiprocessor systemTANDEM COMPUTERS INC·Filed 1995·Granted May 12, 1998·224 cites·30 claims
- 3092US5388242AMultiprocessor system with each processor executing the same instruction sequence and hierarchical memory providing on demand page swappingTANDEM COMPUTERS INC·Filed 1992·Granted Feb 7, 1995·123 cites·10 claims
- 3192US4972472AMethod and apparatus for changing the master key in a cryptographic systemTANDEM COMPUTERS INC·Filed 1985·Granted Nov 20, 1990·139 cites·6 claims
- 3292US4912637AVersion management toolTANDEM COMPUTERS INC·Filed 1988·Granted Mar 27, 1990·705 cites·10 claims
- 3392US4754397AFault tolerant modular subsystems for computersTANDEM COMPUTERS INC·Filed 1986·Granted Jun 28, 1988·342 cites·27 claims
- 3492US4672537AData error detection and device controller failure detection in an input/output systemTANDEM COMPUTERS INC·Filed 1985·Granted Jun 9, 1987·88 cites·3 claims
- 3591US5838894ALogical, fail-functional, dual central processor units formed from three processor unitsTANDEM COMPUTERS INC·Filed 1995·Granted Nov 17, 1998·148 cites·7 claims
- 3691US5574849ASynchronized data transmission between elements of a processing systemTANDEM COMPUTERS INC·Filed 1995·Granted Nov 12, 1996·194 cites·1 claims
- 3791US5307490AMethod and system for implementing remote procedure calls in a distributed computer systemTANDEM COMPUTERS INC·Filed 1992·Granted Apr 26, 1994·379 cites·20 claims
- 3890US6151689ADetecting and isolating errors occurring in data communication in a multiple processor systemTANDEM COMPUTERS INC·Filed 1996·Granted Nov 21, 2000·168 cites·14 claims
- 3990US5819255ASystem and method for database query optimizationTANDEM COMPUTERS INC·Filed 1996·Granted Oct 6, 1998·198 cites·22 claims
- 4090US5805920ADirect bulk data transfersTANDEM COMPUTERS INC·Filed 1995·Granted Sep 8, 1998·307 cites·26 claims
- 4190US5346410AFiltered connector/adaptor for unshielded twisted pair wiringTANDEM COMPUTERS INC·Filed 1993·Granted Sep 13, 1994·170 cites·13 claims
- 4290US5327553AFault-tolerant computer system with /CONFIG filesystemTANDEM COMPUTERS INC·Filed 1992·Granted Jul 5, 1994·203 cites·18 claims
- 4390US5276823AFault-tolerant computer system with redesignation of peripheral processorTANDEM COMPUTERS INC·Filed 1991·Granted Jan 4, 1994·99 cites·16 claims
- 4490US5237484AApparatus for cooling a plurality of electronic modulesTANDEM COMPUTERS INC·Filed 1992·Granted Aug 17, 1993·113 cites·32 claims
- 4590US5207613AMethod and apparatus for mounting, cooling, interconnecting, and providing power and data to a plurality of electronic modulesTANDEM COMPUTERS INC·Filed 1991·Granted May 4, 1993·92 cites·17 claims
- 4690US5146589ARefresh control for dynamic memory in multiple processor systemTANDEM COMPUTERS INC·Filed 1990·Granted Sep 8, 1992·106 cites·13 claims
- 4789US5884328ASystem and method for sychronizing a large database and its replicaTANDEM COMPUTERS INC·Filed 1997·Granted Mar 16, 1999·162 cites·10 claims
- 4889US5848159APublic key cryptographic apparatus and methodTANDEM COMPUTERS INC·Filed 1997·Granted Dec 8, 1998·168 cites·13 claims
- 4989US5799323ARemote duplicate databased facility with triple contingency protectionTANDEM COMPUTERS INC·Filed 1997·Granted Aug 25, 1998·229 cites·6 claims
- 5089US5778354ADatabase management system with improved indexed accessingTANDEM COMPUTERS INC·Filed 1995·Granted Jul 7, 1998·164 cites·18 claims
Showing the top 50 of 313 patent records by PatentIndex Score.
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