H04L 41/0677
Localisation of faults
H04L41/0677 (Localisation of faults) appears on 1,212 US grants and 1,384 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,212
- Published applications
- 1,384
- Assignees
- 438
- Inventors
- 3,307
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 11 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 6 |
| 2002 | 11 | 13 |
| 2003 | 5 | 24 |
| 2004 | 7 | 16 |
| 2005 | 17 | 21 |
| 2006 | 13 | 28 |
| 2007 | 19 | 23 |
| 2008 | 15 | 39 |
| 2009 | 20 | 49 |
| 2010 | 33 | 47 |
| 2011 | 33 | 38 |
| 2012 | 34 | 35 |
| 2013 | 43 | 36 |
| 2014 | 47 | 66 |
| 2015 | 66 | 55 |
| 2016 | 43 | 52 |
| 2017 | 61 | 88 |
| 2018 | 54 | 78 |
| 2019 | 89 | 110 |
| 2020 | 106 | 91 |
| 2021 | 95 | 97 |
| 2022 | 84 | 90 |
| 2023 | 81 | 95 |
| 2024 | 88 | 66 |
| 2025 | 74 | 71 |
| 2026 | 32 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ethernet virtual private network debugging using intent graph data11 Aug 2026US 12,706,800 B2Hewlett Packard Enterprise Development LP
- Methods for intelligent signaling message steering in 5G core11 Aug 2026US 12,706,810 B2F5, Inc.
- Ingress detection and localization11 Aug 2026US 12,707,119 B2Cox Communications, Inc.
- Systems and methods for diagnosing anomalies occurring within a passive optical network via integrated domains4 Aug 2026US 12,700,922 B1Verizon Patent and Licensing Inc.
- High resolution time domain reflectometry (TDR) in fault location measurement in a cable network14 Jul 2026US 12,683,855 B2Viavi Solutions Inc.
- Methods and apparatus for identifier configuration1 Oct 2026US 2026/0303447 A1Nokia Technologies Oy
- Location-based network anomaly diagnostic17 Sep 2026US 2026/0280967 A1Rakuten Mobile, Inc.
- Identifying a point of failure in a first network using a second network17 Sep 2026US 2026/0280973 A1Signify Holding B. V.
- Abnormality detecting system17 Sep 2026US 2026/0281759 A1The Chugoku Electric Power Co., Inc.
- Methods and Systems for Deploying Networks10 Sep 2026US 2026/0270154 A1Super Micro Computer, Inc.
Most cited
By later US patents
- Network management system using model-based intelligence689US 5,504,921 ACabletron Systems, Inc. · 1996
- Fault location and performance testing of communication networks500US 6,269,330 B1Attune Networks Ltd. · 2001
- Method and apparatus that provides fault tolerance in a communication network404US 9,615,269 B2AT&T Intellectual Property I, L. P. · 2017
- Internet based security, fire and emergency identification and communication system392US 6,975,220 B1Radia Technologies Corporation · 2005
- System for managing and operating a network by physically imaging the network354US 5,586,254 AHitachi Software Engineering Co., Ltd. · 1996