H04L 45/16
Multipoint routing
H04L45/16 (Multipoint routing) appears on 2,723 US grants and 2,899 published applications in this corpus.
Search patents in H04L- Granted patents
- 2,723
- Published applications
- 2,899
- Assignees
- 639
- Inventors
- 4,486
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 10 | 0 |
| 2001 | 9 | 6 |
| 2002 | 15 | 50 |
| 2003 | 31 | 57 |
| 2004 | 33 | 42 |
| 2005 | 24 | 59 |
| 2006 | 44 | 100 |
| 2007 | 24 | 116 |
| 2008 | 51 | 102 |
| 2009 | 70 | 112 |
| 2010 | 138 | 98 |
| 2011 | 105 | 90 |
| 2012 | 96 | 89 |
| 2013 | 122 | 149 |
| 2014 | 144 | 139 |
| 2015 | 155 | 156 |
| 2016 | 170 | 157 |
| 2017 | 148 | 127 |
| 2018 | 134 | 114 |
| 2019 | 170 | 171 |
| 2020 | 187 | 170 |
| 2021 | 160 | 167 |
| 2022 | 151 | 175 |
| 2023 | 166 | 155 |
| 2024 | 126 | 126 |
| 2025 | 130 | 92 |
| 2026 | 86 | 80 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Systems and methods for increasing network resource utilization in link aggregation group (LAG) deployments29 Sep 2026US 12,750,299 B2Dell Products L. P.
- Serial broadcast readout in a daisy chain network8 Oct 2026US 2026/0312837 A1ams-OSRAM International GmbH
- Programming multicast forwarding entries in an overlay network1 Oct 2026US 2026/0303388 A1Hewlett Packard Enterprise Development LP
- Route Forwarding Processing Method and Apparatus, Storage Medium, and Electronic Device1 Oct 2026US 2026/0303395 A1Zte Corporation
- Multi-Homing Device Handling of Host Changes During Control Plane Downtime1 Oct 2026US 2026/0303407 A1Arista Networks, Inc.
- Propagating blockchain messages10 Sep 2026US 2026/0270201 A1nChain Licensing AG
Most cited
By later US patents
- Distributed connection-oriented services for switched communications networks673US 5,825,772 ACabletron Systems, Inc. · 1998
- Packet processing system including a policy engine having a classification unit624US 6,157,955 AIntel Corporation · 2000
- Reconfiguration system and method for high-speed mesh connected local area network383US 5,138,615 ADigital Equipment Corporation · 1992
- System and method for point to multipoint inter-domain multiprotocol label switching traffic engineering path calculation298US 8,351,418 B2Futurewei Technologies, Inc. · 2013
- Core assisted mesh protocol for multicast routing in ad-hoc Networks288US 6,917,985 B2The Regents of the University of California · 2005