H04L 45/484
Using multiple routing trees
Official title: using multiple routing trees
H04L45/484 (Using multiple routing trees) appears on 268 US grants and 274 published applications in this corpus.
Search patents in H04L- Granted patents
- 268
- Published applications
- 274
- Assignees
- 91
- Inventors
- 425
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 4 |
| 2003 | 2 | 11 |
| 2004 | 4 | 3 |
| 2005 | 4 | 10 |
| 2006 | 6 | 5 |
| 2007 | 4 | 19 |
| 2008 | 5 | 9 |
| 2009 | 5 | 7 |
| 2010 | 22 | 11 |
| 2011 | 11 | 12 |
| 2012 | 7 | 8 |
| 2013 | 8 | 14 |
| 2014 | 21 | 19 |
| 2015 | 16 | 14 |
| 2016 | 14 | 5 |
| 2017 | 10 | 30 |
| 2018 | 5 | 12 |
| 2019 | 22 | 17 |
| 2020 | 34 | 25 |
| 2021 | 24 | 18 |
| 2022 | 17 | 4 |
| 2023 | 5 | 2 |
| 2024 | 7 | 6 |
| 2025 | 1 | 5 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Efficient distribution of multi-destination packets in an overlay network12 May 2026US 12,627,595 B2Hewlett Packard Enterprise Development LP
- BUM traffic handling for EVPN E-tree via network convergence24 Feb 2026US 12,562,988 B2Arista Networks, Inc.
- Decentralized content fabric18 Nov 2025US 12,477,028 B2Eluvio, Inc.
- System and method for supporting scalable bit map based P_Key table in a high performance computing environment15 Oct 2024US 12,120,043 B2Oracle International Corporation
- Tree based in-place mechanism for pathfinding operations18 Jun 2024US 12,015,550 B1Adobe Inc.
- BUM Traffic Handling for EVPN E-Tree via Network Convergence25 Jun 2026US 2026/0180902 A1Arista Networks, Inc.
- Optimizing tree-based collective communication operations by load-balancing network endpoints23 Apr 2026US 2026/0113274 A1Microsoft Technology Licensing, LLC
- Decentralized content fabric23 Apr 2026US 2026/0113368 A1Eluvio, Inc.
- Fault Tolerance In Network Topologies With Randomization And Wild Routing11 Sep 2025US 2025/0286820 A1Google Inc.
- Efficient distribution of multi-destination packets in an overlay network10 Jul 2025US 2025/0227055 A1Hewlett Packard Enterprise Development LP
Most cited
By later US patents
- System and method for point to multipoint inter-domain multiprotocol label switching traffic engineering path calculation298US 8,351,418 B2Futurewei Technologies, Inc. · 2013
- Method for selecting RTP element in dynamic multicast tree for multimedia conference270US 6,836,788 B2Korea Telecom · 2004
- Method and apparatus for automatic protection switching218US 6,047,331 AMassachusetts Institute of Technology · 2000
- Shared spanning tree protocol216US 6,188,694 B1Cisco Technology, Inc. · 2001
- Virtual trees routing protocol for an ATM-based mobile network159US 5,872,773 ALucent Technologies Inc. · 1999