H04L 45/26
Route discovery packet
Official title: {Route discovery packet}
H04L45/26 (Route discovery packet) appears on 1,045 US grants and 1,078 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,045
- Published applications
- 1,078
- Assignees
- 357
- Inventors
- 2,108
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 11 | 2 |
| 2002 | 12 | 34 |
| 2003 | 13 | 41 |
| 2004 | 20 | 36 |
| 2005 | 11 | 24 |
| 2006 | 27 | 47 |
| 2007 | 14 | 49 |
| 2008 | 30 | 43 |
| 2009 | 39 | 46 |
| 2010 | 44 | 33 |
| 2011 | 52 | 28 |
| 2012 | 42 | 53 |
| 2013 | 31 | 22 |
| 2014 | 57 | 50 |
| 2015 | 51 | 52 |
| 2016 | 44 | 64 |
| 2017 | 59 | 78 |
| 2018 | 59 | 47 |
| 2019 | 75 | 53 |
| 2020 | 64 | 73 |
| 2021 | 52 | 34 |
| 2022 | 58 | 52 |
| 2023 | 43 | 54 |
| 2024 | 36 | 28 |
| 2025 | 37 | 25 |
| 2026 | 18 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for handling IGP flooding topology inconsistency25 Aug 2026US 12,719,780 B2Huawei Technologies Co., Ltd.
- Cloud network reachability analysis for virtual private clouds11 Aug 2026US 12,706,813 B2Google Inc.
- Packet sending method, device, and system4 Aug 2026US 12,701,075 B2Huawei Technologies Co., Ltd.
- Providing flood tree traversal utilizing a customized probe packet for a network device7 Jul 2026US 12,676,808 B1Hewlett Packard Enterprise Development LP
- Connection status detection method and related device23 Jun 2026US 12,665,838 B2Huawei Technologies Co., Ltd.
- Apparatus and method for discovering and linking software-defined networking (sdn) nodes in a communication network in operating environments4 Jun 2026US 2026/0156040 A1Parry Labs, LLC
- Apparatus and method for discovering and linking software-defined networking (sdn) node and non-sdi node in a communication network4 Jun 2026US 2026/0156041 A1Parry Labs, LLC
- System and method of discovering and validating different network action hardware capabilities4 Jun 2026US 2026/0156064 A1Cisco Technology, Inc.
- Srv6 policy type for packet path tracing in large diameter networks4 Jun 2026US 2026/0156069 A1Cisco Technology, Inc.
- Route advertisement method and device28 May 2026US 2026/0149656 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Optimal route selection in a content delivery network339US 7,274,658 B2Akamai Technologies, Inc. · 2007
- Self-organizing network304US 6,028,857 AMassachusetts Institute of Technology · 2000
- System and method for disseminating topology and link-state information to routing nodes in a mobile ad hoc network246US 7,698,463 B2SRI International · 2010
- System and method for server selection for mirrored sites227US 6,115,752 ASun Microsystems, Inc. · 2000
- Combined progressive and source routing control for connection-oriented communications networks222US 5,649,108 ANEC Corporation · 1997