Inventor · Shoreview, MN, US

Ralph E. Sipple

18Patents
11h-index
31Co-inventors
72Inventor score

Filing activity: Jan 30, 1978 → Aug 9, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US5583561A Multi-cast digital video data server using synchronization groups Emerging Cross-Sectional Technologies 661 Expired
US5193162A Cache memory with data compaction for use in the audit trail of a data processing system having record locking capabilities Emerging Cross-Sectional Technologies 357 Expired
US5404508A Data base backup and recovery system and method Emerging Cross-Sectional Technologies 217 Expired
US5140685A Record lock processing for multiprocessing data system with majority voting Emerging Cross-Sectional Technologies 102 Expired
US5758149A System for optimally processing a transaction and a query to the same database concurrently Emerging Cross-Sectional Technologies 91 Expired
US5060144A Locking control with validity status indication for a multi-host processor system that utilizes a record lock processor and a cache memory for each host processor Physics 89 Expired
US6405327B1 Apparatus for and method of automatic monitoring of computer performance Physics 71 Expired
US5949970A Dual XPCS for disaster recovery Physics 50 Expired
US5878426A Statistical database query using random sampling of records Emerging Cross-Sectional Technologies 44 Expired
US5745915A System for parallel reading and processing of a file Physics 28 Expired
US6986003B1 Method for processing communal locks Physics 13 Expired
US6662307B1 Disk recovery/reconstruction Physics 11 Expired
US4167778A Invalid instruction code detector Physics 10 Expired
US6922744B1 Communal lock processing system for multiprocessor computer system Physics 9 Expired
US6810464B1 Multiprocessor computer system for processing communal locks employing mid-level caches Emerging Cross-Sectional Technologies 6 Expired
US4176402A Apparatus for simultaneously measuring a plurality of digital events employing a random number table Physics 5 Expired
US7784079B1 Video on demand transaction server Electricity 5 Expired
US8245260B1 Video server Electricity 4 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.