Gravic, Inc.

US Patent 11120047 Method and apparatus for continuously comparing two databases which are actively being kept synchronized

US Patent 7523110 High availability designated winner data replication

US Patent 7539898 Method of increasing system availability by assigning process pairs to processor pairs

US Patent 7555145 Multi-level optical mark reading that uses an unambiguous symbology of marks to fill into response bubbles

US Patent 7603389 Optimized statement caching for transaction replay

US Patent 7613740 Control of a data replication engine using attributes associated with a transaction

US Patent 7739237 Data input routing after failure

US Patent 7801851 Method for ensuring referential integrity in multi-threaded replication engines

US Patent 7853561 Synchronization of plural databases in a database replication system with simultaneous synchronization and replication

US Patent 7864986 Optical mark reading that uses a disregard state as part of an unambiguous symbology of marks to fill into response bubbles

US Patent 7882062 Synchronization of plural databases in a database replication system when replication is slower than the synchronization process

US Patent 7949640 Referential integrity, consistency, and completeness loading of databases

US Patent 7962458 Method for replicating explicit locks in a data replication engine