H04L 45/44
Distributed routing
H04L45/44 (Distributed routing) appears on 847 US grants and 861 published applications in this corpus.
Search patents in H04L- Granted patents
- 847
- Published applications
- 861
- Assignees
- 275
- Inventors
- 1,509
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 4 |
| 2002 | 5 | 9 |
| 2003 | 3 | 12 |
| 2004 | 7 | 21 |
| 2005 | 6 | 15 |
| 2006 | 13 | 12 |
| 2007 | 4 | 14 |
| 2008 | 14 | 22 |
| 2009 | 15 | 10 |
| 2010 | 10 | 14 |
| 2011 | 14 | 15 |
| 2012 | 16 | 23 |
| 2013 | 20 | 59 |
| 2014 | 34 | 57 |
| 2015 | 74 | 88 |
| 2016 | 76 | 73 |
| 2017 | 68 | 42 |
| 2018 | 61 | 34 |
| 2019 | 63 | 57 |
| 2020 | 59 | 51 |
| 2021 | 45 | 63 |
| 2022 | 54 | 57 |
| 2023 | 46 | 41 |
| 2024 | 54 | 31 |
| 2025 | 37 | 21 |
| 2026 | 15 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for preventing blackholing of traffic during partial failures in ethernet virtual private network data center interconnect multihoming networks29 Sep 2026US 12,750,301 B2Arista Networks, Inc.
- Metrics and events infrastructure15 Sep 2026US 12,737,350 B2Hewlett Packard Enterprise Development LP
- Systems and methods for core network bypass in a wireless network1 Sep 2026US 12,726,854 B2Verizon Patent and Licensing Inc.
- Systems and methods for mitigating denial of service attacks25 Aug 2026US 12,719,924 B2CenturyLink Intellectual Property LLC
- Repeater creation for battery powered and low power devices21 Jul 2026US 12,689,966 B2ABL IP Holding LLC
- Scaling efficiency for internal transport services in distributed network elements30 Jul 2026US 2026/0222336 A1Cisco Technology, Inc.
- Cloud service selectively switches tunnels for smooth maintenance2 Jul 2026US 2026/0186764 A1Cato Networks Ltd
- Client application-less real user digital experience monitoring2 Jul 2026US 2026/0189483 A1Cato Networks Ltd
- Synchronizing a sase network through delta transmission2 Jul 2026US 2026/0189494 A1Cato Networks Ltd
- Biased response to connection probe for load balancing2 Jul 2026US 2026/0189508 A1Cato Networks Ltd
Most cited
By later US patents
- Radio frequency local area network481US 5,295,154 ANorand Corporation · 1994
- Automatic update of topology in a hybrid network354US 4,644,532 AInternational Business Machines Corporation · 1987
- Distributed autonomous object architectures for network layer routing303US 5,509,123 ACabletron Systems, Inc. · 1996
- System for managing topology of a network in spanning tree data structure by maintaining link table and parent table in each network node302US 5,606,669 AInternational Business Machines Corporation · 1997
- System and method for point to multipoint inter-domain multiprotocol label switching traffic engineering path calculation298US 8,351,418 B2Futurewei Technologies, Inc. · 2013