Method for using chunks of change log data for comparing a source and a target database which are actively being kept in synchronization with each other
US-12541535-B1 · Feb 3, 2026 · US
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Hoffmann John R patents
Hoffmann John R is listed as an inventor on 45 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Hoffmann John R |
| Total patents | 45 |
| First publication | Feb 14, 2017 |
| Latest publication | Feb 3, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Methods for preventing constraint violations at a target database by a database replication system where an application call, or a programmatic call by a database management system, forces a flush of a change log
US-12455898-B1 · Oct 28, 2025 · US
Apparatus, method, and computer program product for reducing commit latency of pending transactions
US-12287780-B1 · Apr 29, 2025 · US
Method and apparatus for continuously comparing two databases which are actively being kept synchronized
US-12216681-B1 · Feb 4, 2025 · US
Apparatus, method, and computer program product for resolving hung transactions
US-12072872-B1 · Aug 27, 2024 · US
Method and apparatus for resolving target database constraint violations in a database replication system where target database transactions are automatically aborted due to constraints violations
US-11934424-B1 · Mar 19, 2024 · US
Method and apparatus for using representations of blocks of data when continuously comparing two databases which are actively being kept synchronized
US-11921748-B1 · Mar 5, 2024 · US
Method and system for using before images of replicated changes from a source database with current target database images read from the target database when continuously comparing two databases which are actively being kept synchronized
US-11880386-B1 · Jan 23, 2024 · US
Systems and methods to process an erroneously pre-committed transaction on a target database which has been aborted on a source database and replicated from the source database to the target database
US-11782908-B1 · Oct 10, 2023 · US
Systems and methods to fully process an initially incomplete replicated and committed transaction for a non-static application by using a plurality of transaction pattern tables
US-11775509-B1 · Oct 3, 2023 · US
Recent patents
Latest publications not already listed above.
Method and system for using before images of changes for continuously comparing two databases which are actively being kept synchronized
US-11775560-B1 · Oct 3, 2023 · US
Method for replacing a currently operating data replication engine in a bidirectional data replication environment without application downtime and while preserving target database consistency, and by using audit trail tokens that provide a list of active transactions
US-11698917-B1 · Jul 11, 2023 · US
Systems and methods to fully process an initially incomplete replicated and committed transaction
US-11681686-B1 · Jun 20, 2023 · US
Method and apparatus for resolving source database precommitted transactions that are replicated to a target database of a database replication system
US-11580134-B1 · Feb 14, 2023 · US
Method for replacing a currently operating data replication engine with a new data replication engine without application downtime and while preserving target database consistency, and by joining the source database transactions
US-11442962-B1 · Sep 13, 2022 · US
Method and apparatus for potentially resolving target database constraint violations in a database replication system by replacing, converting or removing deferred database changes
US-11210320-B1 · Dec 28, 2021 · US
Method and apparatus for continuously comparing two databases which are actively being kept synchronized
US-11120047-B1 · Sep 14, 2021 · US
Method for replacing a currently operating data replication engine with a new data replication engine without application downtime and while preserving target database consistency, and by using audit trail tokens
US-11030219-B1 · Jun 8, 2021 · US
Method and system for implementing current, consistent, and complete backup copy by rolling a change log backwards against a storage device
US-11010256-B1 · May 18, 2021 · US
Method and system for implementing current, consistent, and complete backups by rolling a change log backwards
US-10922186-B1 · Feb 16, 2021 · US
Method and apparatus for resolving target database constraint violations in a database replication system
US-10817535-B1 · Oct 27, 2020 · US
System for ensuring transactional integrity thereof that includes a plurality of subsystems, one of which takes an action upon a loss of transactional integrity
US-10706040-B1 · Jul 7, 2020 · US
Systems and methods to profile transactions for end-state determination and latency reduction
US-10706041-B1 · Jul 7, 2020 · US
Method and system for implementing current, consistent, and complete backups
US-10705920-B1 · Jul 7, 2020 · US
Method and computer program product for efficiently loading and synchronizing column-oriented databases
US-10671641-B1 · Jun 2, 2020 · US
Method for replacing a currently operating data replication engine with a new data replication engine without application downtime and while preserving target database consistency
US-10474695-B1 · Nov 12, 2019 · US
Method of ensuring transactional integrity of a system that includes a plurality of subsystems, one of which takes an action upon a loss of transactional integrity
US-10452648-B1 · Oct 22, 2019 · US
Method of ensuring transactional integrity of a system that includes a first subsystem and a second subsystem
US-10394798-B1 · Aug 27, 2019 · US
Method for replacing a currently operating data replication engine with a new data replication engine without application downtime and while preserving target database consistency
US-10303699-B1 · May 28, 2019 · US
Method of controlling whether an uncompleted transaction applied against a database goes forward or is aborted, and for modifying the uncompleted transaction so that it can go forward
US-10296759-B1 · May 21, 2019 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Gravic Inc | 43 |
| Intel Corp | 2 |
| Rpx Corp | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G06F16/2379 | 33 |
| G06F16/2365 | 30 |
| G06F16/27 | 21 |
| G06F16/275 | 20 |
| G06F2201/80 | 18 |