G06F 16/2336
Pessimistic concurrency control approaches
Official title: {Pessimistic concurrency control approaches, e.g. locking or multiple versions without time stamps}
G06F16/2336 (Pessimistic concurrency control approaches) appears on 1,187 US grants and 1,128 published applications in this corpus.
Search patents in G06F- Granted patents
- 1,187
- Published applications
- 1,128
- Assignees
- 311
- Inventors
- 2,654
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 16 | 0 |
| 1999 | 8 | 0 |
| 2000 | 12 | 0 |
| 2001 | 11 | 3 |
| 2002 | 16 | 11 |
| 2003 | 11 | 18 |
| 2004 | 16 | 19 |
| 2005 | 17 | 17 |
| 2006 | 15 | 32 |
| 2007 | 14 | 25 |
| 2008 | 16 | 39 |
| 2009 | 24 | 41 |
| 2010 | 35 | 27 |
| 2011 | 34 | 29 |
| 2012 | 27 | 37 |
| 2013 | 34 | 46 |
| 2014 | 49 | 49 |
| 2015 | 55 | 67 |
| 2016 | 68 | 66 |
| 2017 | 49 | 67 |
| 2018 | 66 | 66 |
| 2019 | 71 | 77 |
| 2020 | 84 | 69 |
| 2021 | 72 | 39 |
| 2022 | 91 | 75 |
| 2023 | 62 | 58 |
| 2024 | 71 | 72 |
| 2025 | 79 | 50 |
| 2026 | 36 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optimizing retention of deduplicated copies at write-once read-many (WORM)-enabled storage29 Sep 2026US 12,748,737 B2Commvault Systems, Inc.
- Snapshot advancement for database systems29 Sep 2026US 12,748,746 B2Salesforce, Inc.
- Continuous database locking during database reconfiguration15 Sep 2026US 12,737,266 B2Oracle International Corporation
- Metadata tree snapshot method and apparatus, metadata tree query method and apparatus, and electronic device8 Sep 2026US 12,730,724 B2Baidu International Technology (Shenzhen) Co., Ltd.
- Computing node upgrading system1 Sep 2026US 12,724,604 B2Sap SE
- Database systems and constraint management methods with instance variable binding8 Oct 2026US 2026/0310649 A1Salesforce, Inc.
- Auto-maintenance of vector indexes8 Oct 2026US 2026/0310650 A1Google Inc.
- Summary request generation24 Sep 2026US 2026/0288697 A1Cisco Technology, Inc.
- Blockchain node and transaction information processing method applied to blockchain node17 Sep 2026US 2026/0277872 A1Tencent Technology (Shenzhen) Company Limited
- Adaptive Data Storage Management10 Sep 2026US 2026/0267844 A1Microsoft Technology Licensing, LLC
Most cited
By later US patents
- System and method for administering a meta database as an integral component of an information server474US 6,061,692 AMicrosoft Corporation · 2000
- Locking technique for control and synchronization367US 6,973,549 B1Incipient, Inc. · 2005
- Data management system having shared libraries322US 5,826,265 AInternational Business Machines Corporation · 1998
- Method and apparatus providing optimistic locking of shared computer resources299US 6,850,938 B1Cisco Technology, Inc. · 2005
- Object oriented database management system298US 5,838,965 ACADIS, Inc. · 1998