G06F 16/1774
Locking methods
Official title: {Locking methods, e.g. locking methods for file systems allowing shared and concurrent access to files}
G06F16/1774 (Locking methods) appears on 722 US grants and 683 published applications in this corpus.
Search patents in G06F- Granted patents
- 722
- Published applications
- 683
- Assignees
- 196
- Inventors
- 1,369
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 12 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 4 |
| 2003 | 6 | 6 |
| 2004 | 2 | 8 |
| 2005 | 3 | 9 |
| 2006 | 6 | 11 |
| 2007 | 6 | 11 |
| 2008 | 6 | 19 |
| 2009 | 6 | 11 |
| 2010 | 21 | 13 |
| 2011 | 13 | 14 |
| 2012 | 13 | 25 |
| 2013 | 23 | 15 |
| 2014 | 25 | 35 |
| 2015 | 28 | 34 |
| 2016 | 35 | 41 |
| 2017 | 46 | 55 |
| 2018 | 36 | 35 |
| 2019 | 48 | 56 |
| 2020 | 62 | 67 |
| 2021 | 46 | 27 |
| 2022 | 66 | 60 |
| 2023 | 50 | 48 |
| 2024 | 52 | 40 |
| 2025 | 47 | 24 |
| 2026 | 34 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Techniques for deterministically routing database requests to database servers6 Oct 2026US 12,754,881 B2Apple Inc.
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- Partitioning mechanism for parallel processing in delta generation29 Sep 2026US 12,748,731 B2Oracle International Corporation
- End-to-end restartability of cross-region replication using a common snapshot8 Sep 2026US 12,730,778 B2Oracle International Corporation
- Systems and methods for performing bulk file storage system actions over a network protocol1 Oct 2026US 2026/0299801 A1Everpure, Inc.
- Utilizing a Lock Manager for a Cluster-Level Write Back Cache25 Jun 2026US 2026/0178496 A1Dell Products L. P.
- Techniques for maintaining file consistency during file system cross-region replication11 Jun 2026US 2026/0161608 A1Oracle International Corporation
- Hierarchical key management for cross-region replication11 Jun 2026US 2026/0161609 A1Oracle International Corporation
- High-concurrency read/write optimization system for distributed file system, medium, and device30 Apr 2026US 2026/0119460 A1Shanghai Jiao Tong University
Most cited
By later US patents
- File server system using file system storage, data movers, and an exchange of meta data among data movers for file locking and direct access to shared file systems1,332US 6,324,581 B1EMC Corporation · 2001
- Representation of collaborative multi-user activities relative to shared structured data objects in a networked workstation environment1,083US 5,008,853 AXerox Corporation · 1991
- Updating local copy of shared data in a collaborative system986US 5,220,657 AXerox Corporation · 1993
- Access control to block storage devices for a shared disk based file system636US 8,086,585 B1EMC Corporation · 2011
- Network file server sharing local caches of file access information in data processors assigned to respective file systems333US 6,192,408 B1EMC Corporation · 2001