H04L 41/0631
Using root cause analysis
Official title: using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
H04L41/0631 (Using root cause analysis) appears on 3,127 US grants and 3,530 published applications in this corpus.
Search patents in H04L- Granted patents
- 3,127
- Published applications
- 3,530
- Assignees
- 887
- Inventors
- 7,920
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 12 | 0 |
| 2001 | 12 | 6 |
| 2002 | 19 | 56 |
| 2003 | 26 | 34 |
| 2004 | 32 | 71 |
| 2005 | 26 | 65 |
| 2006 | 47 | 57 |
| 2007 | 36 | 112 |
| 2008 | 57 | 87 |
| 2009 | 63 | 92 |
| 2010 | 77 | 78 |
| 2011 | 99 | 60 |
| 2012 | 69 | 73 |
| 2013 | 85 | 84 |
| 2014 | 102 | 118 |
| 2015 | 105 | 134 |
| 2016 | 119 | 125 |
| 2017 | 134 | 257 |
| 2018 | 160 | 175 |
| 2019 | 224 | 240 |
| 2020 | 274 | 228 |
| 2021 | 257 | 267 |
| 2022 | 240 | 228 |
| 2023 | 257 | 261 |
| 2024 | 229 | 250 |
| 2025 | 188 | 215 |
| 2026 | 151 | 157 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Threat mitigation system and method6 Oct 2026US 12,754,774 B2Reliaquest Holdings, LLC
- Threat mitigation system and method6 Oct 2026US 12,754,775 B2Reliaquest Holdings, LLC
- Network anomaly detection and mitigation6 Oct 2026US 12,756,618 B2Hewlett Packard Enterprise Development LP
- Coordinating MRO analysis for PSCell change failure6 Oct 2026US 12,757,274 B2Nokia Technologies Oy
- Port configuration verification system29 Sep 2026US 12,748,645 B2Dell Products L. P.
- Method and system for managing features for optimal model performance and application thereof8 Oct 2026US 2026/0312862 A1Verizon Patent and Licensing Inc.
- Computer system and method for DETERMINING a CAUSE of an anomaly event for a network device8 Oct 2026US 2026/0312863 A1Schneider Electric USA, Inc.
- Method and system for validating root cause analysis in an information technology infrastructure1 Oct 2026US 2026/0303437 A1HCL Technologies Limited
- Failure diagnosis device1 Oct 2026US 2026/0303438 A1Toyota Jidosha Kabushiki Kaisha
- Automated reconstruction system and method for sequences of events arising from a root cause impact in network environments1 Oct 2026US 2026/0303439 A1
Most cited
By later US patents
- Client-side application-classifier gathering network-traffic statistics and application and user names using extensible-service provider plugin for policy-based network control782US 6,141,686 ADeterministic Networks, Inc. · 2000
- Event detection607US 6,347,374 B1Intrusion.com, Inc. · 2002
- Two-phase root cause analysis524US 7,062,683 B2BMC Software, Inc. · 2006
- System, method and article of manufacture for implementing a hybrid network484US 6,611,867 B1Accenture LLP · 2003
- Method and system to correlate a specific alarm to one or more events to identify a possible cause of the alarm464US 7,131,037 B1ProactiveNet, Inc. · 2006