G06F 9/524
Deadlock detection or avoidance
Official title: {Deadlock detection or avoidance}
G06F9/524 (Deadlock detection or avoidance) appears on 529 US grants and 498 published applications in this corpus.
Search patents in G06F- Granted patents
- 529
- Published applications
- 498
- Assignees
- 184
- Inventors
- 1,208
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 12 | 1 |
| 2002 | 5 | 5 |
| 2003 | 9 | 5 |
| 2004 | 11 | 18 |
| 2005 | 6 | 10 |
| 2006 | 9 | 15 |
| 2007 | 9 | 26 |
| 2008 | 15 | 27 |
| 2009 | 15 | 18 |
| 2010 | 26 | 13 |
| 2011 | 15 | 25 |
| 2012 | 23 | 29 |
| 2013 | 26 | 25 |
| 2014 | 36 | 27 |
| 2015 | 24 | 25 |
| 2016 | 37 | 23 |
| 2017 | 26 | 25 |
| 2018 | 25 | 22 |
| 2019 | 22 | 20 |
| 2020 | 26 | 24 |
| 2021 | 19 | 21 |
| 2022 | 27 | 21 |
| 2023 | 18 | 20 |
| 2024 | 17 | 19 |
| 2025 | 17 | 17 |
| 2026 | 11 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Key server and storage deadlock control6 Oct 2026US 12,754,780 B2International Business Machines Corporation
- Data storage device that detects and releases bottlenecks in hardware22 Sep 2026US 12,743,210 B2SanDisk Technologies LLC
- Object processing method and apparatus, computer device, and storage medium25 Aug 2026US 12,717,654 B2Tencent Technology (Shenzhen) Company Limited
- Fair spinlock with protection against thread preemption7 Jul 2026US 12,675,343 B2Dell Products L. P.
- Hybrid locking/queuing operations for mutual exclusion of work units2 Jun 2026US 12,645,508 B2Microsoft Technology Licensing, LLC
- Layered Concurrency Management13 Aug 2026US 2026/0236326 A1Oracle International Corporation
- Application programming interface to indicate event dependencies13 Aug 2026US 2026/0236331 A1NVIDIA Corporation
- Method, system, and program for deadlock avoidance2 Jul 2026US 2026/0186864 A1Phoenix Software International, Inc.
- Object Graph for Concurrency Management25 Jun 2026US 2026/0178350 A1Oracle International Corporation
- Concurrency Management Model Using Software Transactional Memory, Dynamic Data Race Detection, And/Or Thread-Local Garbage Collection25 Jun 2026US 2026/0178397 A1Oracle International Corporation
Most cited
By later US patents
- Cooperative lock override procedure264US 6,757,769 B1EMC Corporation · 2004
- Object lock management system with improved local lock management and global deadlock detection in a parallel data processing system184US 5,682,537 AUnisys Corporation · 1997
- Centralized management of resources shared by multiple processing units159US 6,009,275 AHyundai Electronics America · 1999
- Parallel processing network and method150US 4,766,534 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1988
- Concurrency-safe reader-writer lock with time out support143US 6,546,443 B1Microsoft Corporation · 2003