H04L 43/00
Arrangements for monitoring or testing data switching networks
H04L43/00 (Arrangements for monitoring or testing data switching networks) appears on 46,363 US grants and 50,868 published applications in this corpus.
Search patents in H04L- Granted patents
- 46,363
- Published applications
- 50,868
- Assignees
- 7,109
- Inventors
- 76,371
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 10 | 0 |
| 1986 | 3 | 0 |
| 1987 | 9 | 0 |
| 1988 | 13 | 0 |
| 1989 | 14 | 0 |
| 1990 | 13 | 0 |
| 1991 | 17 | 0 |
| 1992 | 21 | 0 |
| 1993 | 23 | 0 |
| 1994 | 58 | 0 |
| 1995 | 85 | 0 |
| 1996 | 77 | 0 |
| 1997 | 58 | 0 |
| 1998 | 135 | 0 |
| 1999 | 141 | 0 |
| 2000 | 158 | 0 |
| 2001 | 205 | 93 |
| 2002 | 262 | 643 |
| 2003 | 278 | 627 |
| 2004 | 349 | 737 |
| 2005 | 374 | 898 |
| 2006 | 507 | 980 |
| 2007 | 492 | 1193 |
| 2008 | 674 | 1271 |
| 2009 | 820 | 1171 |
| 2010 | 1212 | 1259 |
| 2011 | 1295 | 1279 |
| 2012 | 1197 | 1470 |
| 2013 | 1405 | 1820 |
| 2014 | 1880 | 2519 |
| 2015 | 2244 | 3042 |
| 2016 | 2583 | 3439 |
| 2017 | 2995 | 3700 |
| 2018 | 3232 | 3225 |
| 2019 | 3815 | 3416 |
| 2020 | 3877 | 3284 |
| 2021 | 3422 | 2976 |
| 2022 | 3167 | 2941 |
| 2023 | 3058 | 2745 |
| 2024 | 2684 | 2401 |
| 2025 | 2195 | 2215 |
| 2026 | 1292 | 1524 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04L 43/08Monitoring or testing based on specific metrics27,750
- H04L 43/16Threshold monitoring8,427
- H04L 43/10Active monitoring7,853
- H04L 43/04Processing captured monitoring data6,773
- H04L 43/06Generation of reports6,152
- H04L 43/50Testing arrangements6,096
- H04L 43/02Capturing of monitoring data4,976
- H04L 43/20The monitoring system or the monitored elements being virtualised, abstracted or software-defined3,078
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
- Machine learning for rule recommendation6 Oct 2026US 12,754,817 B2Hewlett Packard Enterprise Development LP
- System and method for facilitating dynamic command management in a network interface controller (NIC)6 Oct 2026US 12,754,857 B2Hewlett Packard Enterprise Development LP
- Score based certainty estimation of prediction6 Oct 2026US 12,755,207 B2Triangle IP, Inc.
- System for detecting circuit anomalies in trailer wiring8 Oct 2026US 2026/0309762 A1Grote Industries, Inc.
- Efficient Deployment of Large-Scale Network Nodes Using Pre-Installed Fiber Connectivity8 Oct 2026US 2026/0309928 A1Ciena Corporation
- Static and dynamic network device and service inventories as a mechanism to generate personalized ad profiles8 Oct 2026US 2026/0311217 A1Adeia Guides Inc.
- Technologies for channel state information and beam prediction8 Oct 2026US 2026/0312646 A1Apple 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.
Most cited
By later US patents
- System and methodology for managing internet access on a per application basis for client computers connected to the internet1,331US 5,987,611 AZone Labs, Inc. · 1999
- System for establishing plan to test components of web based framework by displaying pictorial representation and conveying indicia coded components of existing network framework1,201US 6,473,794 B1Accenture LLP · 2002
- Diagnostic hardware for serial datalink1,169US 5,124,990 ACaterpillar Inc. · 1992
- Recovery from failure of a data processor in a network server1,104US 6,275,953 B1EMC Corporation · 2001
- Smart remote monitoring system and method1,009US 6,553,336 B1Telemonitor, Inc. · 2003