Inventor
SIPPLE RALPH E
US17 patents
⚠️ This page may combine multiple inventors who share the name “SIPPLE RALPH E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNISYS CORP
14 patentsUS5404508AApr 4, 1995
Data base backup and recovery system and method
UNISYS CORP318 citations98
US5583561ADec 10, 1996
Multi-cast digital video data server using synchronization groups
UNISYS CORP807 citations96
US5193162AMar 9, 1993
Cache memory with data compaction for use in the audit trail of a data processing system having record locking capabilities
UNISYS CORP399 citations96
US5949970ASep 7, 1999
Dual XPCS for disaster recovery
UNISYS CORP64 citations95
US5060144AOct 22, 1991
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
UNISYS CORP120 citations95
US6405327B1Jun 11, 2002
Apparatus for and method of automatic monitoring of computer performance
UNISYS CORP122 citations93
US5758149AMay 26, 1998
System for optimally processing a transaction and a query to the same database concurrently
UNISYS CORP142 citations93
US5140685AAug 18, 1992
Record lock processing for multiprocessing data system with majority voting
UNISYS CORP147 citations93
US6986003B1Jan 10, 2006
Method for processing communal locks
UNISYS CORP26 citations92
US5745915AApr 28, 1998
System for parallel reading and processing of a file
UNISYS CORP36 citations90
US6662307B1Dec 9, 2003
Disk recovery/reconstruction
UNISYS CORP17 citations84
US6922744B1Jul 26, 2005
Communal lock processing system for multiprocessor computer system
UNISYS CORP12 citations83
US6810464B1Oct 26, 2004
Multiprocessor computer system for processing communal locks employing mid-level caches
UNISYS CORP8 citations73
US7784079B1Aug 24, 2010
Video on demand transaction server
UNISYS CORP5 citations61