H04L 45/128
For finding disjoint paths
Official title: for finding disjoint paths
H04L45/128 (For finding disjoint paths) appears on 204 US grants and 211 published applications in this corpus.
Search patents in H04L- Granted patents
- 204
- Published applications
- 211
- Assignees
- 93
- Inventors
- 413
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 0 | 2 |
| 2006 | 1 | 3 |
| 2007 | 2 | 3 |
| 2008 | 3 | 2 |
| 2009 | 3 | 11 |
| 2010 | 7 | 6 |
| 2011 | 3 | 11 |
| 2012 | 10 | 10 |
| 2013 | 8 | 16 |
| 2014 | 14 | 15 |
| 2015 | 18 | 17 |
| 2016 | 16 | 12 |
| 2017 | 18 | 10 |
| 2018 | 14 | 12 |
| 2019 | 13 | 11 |
| 2020 | 10 | 8 |
| 2021 | 16 | 17 |
| 2022 | 14 | 12 |
| 2023 | 18 | 9 |
| 2024 | 1 | 8 |
| 2025 | 11 | 8 |
| 2026 | 4 | 4 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and device for determining routing path23 Jun 2026US 12,665,835 B2Moxa Inc.
- Multimode heterogeneous IoT networks19 May 2026US 12,634,129 B2Innovation Sciences, LLC
- Path awareness method, apparatus, and system10 Mar 2026US 12,574,319 B2Huawei Technologies Co., Ltd.
- Preplan assignment generation13 Jan 2026US 12,526,196 B2ECI Telecom Ltd.
- Mitigation of congestion loss risk for MPLS local-protection with facility-backup16 Dec 2025US 12,500,833 B1Google Inc.
- Path-finding device, path-finding method, and path-finding program23 Jul 2026US 2026/0214047 A1NTT, Inc.
- Preplan assignment generation16 Jul 2026US 2026/0205364 A1ECI Telecom Ltd.
- Mitigation Of Congestion Loss Risk For MPLS Local-Protection With Facility-Backup26 Mar 2026US 2026/0089085 A1Google Inc.
- Multimode Heterogeneous IOT Networks1 Jan 2026US 2026/0005854 A1Innovation Sciences, LLC
- Satisfying demands in data communications networks25 Dec 2025US 2025/0392541 A1ECI Telecom Ltd.
Most cited
By later US patents
- Topology aware route control220US 7,584,298 B2Internap Network Services Corporation · 2009
- Path selection in a network84US 7,643,426 B1Hewlett-Packard Development Company, L. P. · 2010
- Tunnel reroute81US 7,233,569 B1Cisco Technology, Inc. · 2007
- Network server layer providing disjoint channels in response to client-layer disjoint path requests39US 9,698,910 B2Cisco Technology, Inc. · 2017
- Network system and routing method36US 9,282,031 B2Inventec Corporation · 2016