Tenant-level database recovery
US-2024281344-A1 · Aug 22, 2024 · US
Journaling file systems
Journaling file systems · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G06F16/1815 |
| Official title | {Journaling file systems} |
| Display label | Journaling file systems |
| Total patents | 439 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 22 |
| 2017 | 23 |
| 2018 | 20 |
| 2019 | 34 |
| 2020 | 52 |
| 2021 | 51 |
| 2022 | 65 |
| 2023 | 53 |
| 2024 | 44 |
| 2025 | 46 |
| 2026 | 14 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reducing file system journaling writes
US-2017357656-A1 · Dec 14, 2017 · US
Distributed transaction log
US-9830234-B2 · Nov 28, 2017 · US
File system backup using change journal
US-9824091-B2 · Nov 21, 2017 · US
Handling failure of a command to add a record to a log
US-2017329551-A1 · Nov 16, 2017 · US
Methods for detecting out-of-order sequencing during journal recovery and devices thereof
US-2017322851-A1 · Nov 9, 2017 · US
Storage Constrained Synchronization Engine
US-2017308599-A1 · Oct 26, 2017 · US
Apparatus and method for fsync system call processing using ordered mode journaling with file unit
US-9798761-B2 · Oct 24, 2017 · US
Versioned hierarchical data structures in a distributed data store
US-2017300552-A1 · Oct 19, 2017 · US
Handling failure of a command to add a record to a log
US-9792066-B2 · Oct 17, 2017 · US
Method and system for implementing an operating system hook in a log analytics system
US-9767171-B2 · Sep 19, 2017 · US
Method and system for efficient write journal entry management for a distributed file system
US-9767117-B2 · Sep 19, 2017 · US
In-memory journaling
US-2017228409-A1 · Aug 10, 2017 · US
Reducing fragmentation in compressed journal storage
US-9703795-B2 · Jul 11, 2017 · US
Reducing fragmentation in compressed journal storage
US-9703794-B2 · Jul 11, 2017 · US
Journaling tool
US-9703639-B1 · Jul 11, 2017 · US
Protection method and device for metadata of file
US-2017193005-A1 · Jul 6, 2017 · US
Log fragmentation method and apparatus
US-2017177628-A1 · Jun 22, 2017 · US
Method and apparatus for replicating the punch command
US-9588703-B1 · Mar 7, 2017 · US
Methods and systems for improving storage journaling
US-2017060698-A1 · Mar 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G06F16/1815?
- CPC G06F16/1815 is the Cooperative Patent Classification code for “Journaling file systems.”
- How many patents are filed under CPC G06F16/1815 (Journaling file systems)?
- Our database includes 439 publications tagged with this CPC code.
- Is patent activity under CPC G06F16/1815 growing?
- Publication counts under this code: 44 in 2024 vs 46 in 2025 (latest complete years).