H04L 47/728
For backup paths
Official title: {for backup paths}
H04L47/728 (For backup paths) appears on 126 US grants and 132 published applications in this corpus.
Search patents in H04L- Granted patents
- 126
- Published applications
- 132
- Assignees
- 71
- Inventors
- 224
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 4 |
| 2003 | 2 | 9 |
| 2004 | 3 | 5 |
| 2005 | 2 | 4 |
| 2006 | 5 | 8 |
| 2007 | 3 | 6 |
| 2008 | 8 | 7 |
| 2009 | 4 | 4 |
| 2010 | 7 | 2 |
| 2011 | 5 | 8 |
| 2012 | 6 | 5 |
| 2013 | 8 | 7 |
| 2014 | 8 | 7 |
| 2015 | 6 | 3 |
| 2016 | 3 | 9 |
| 2017 | 7 | 10 |
| 2018 | 8 | 6 |
| 2019 | 11 | 5 |
| 2020 | 8 | 6 |
| 2021 | 7 | 6 |
| 2022 | 6 | 5 |
| 2023 | 3 | 4 |
| 2024 | 2 | 1 |
| 2025 | 3 | 0 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Low-cost energy-efficient network-managed and device-managed continuous connectivity22 Sep 2026US 12,744,743 B2AT&T Intellectual Property I, L. P.
- Redundant path resource reservation method, network device and storage medium25 Mar 2025US 12,261,766 B2Zte Corporation
- Bandwidth adjustment and correction method, apparatus and device, and storage medium11 Feb 2025US 12,224,908 B2Zte Corporation
- Method and apparatus for reducing latency in a communication system by reconfiguring a communication device based on a received signaling message comprising an indication of a failure in a backhaul link14 Jan 2025US 12,200,594 B2Lenovo (Beijing) Limited
- Segment routing traffic engineering (SR-TE) with awareness of local protection6 Aug 2024US 12,058,026 B2Ciena Corporation
- Low-Cost Energy-Efficient Network-Managed and Device-Managed Continuous Connectivity21 May 2026US 2026/0142931 A1AT&T Intellectual Property I, L. P.
- Segment Routing Traffic Engineering (SR-TE) with awareness of local protection31 Oct 2024US 2024/0364616 A1Ciena Corporation
- Policy control for redundant transmissions12 Oct 2023US 2023/0328805 A1Telefonaktiebolaget LM Ericsson (publ)
- Redundant path resource reservation method, network device and storage medium17 Aug 2023US 2023/0261987 A1Zte Corporation
- Signaling ip path tunnels for traffic engineering11 May 2023US 2023/0142996 A1Juniper Networks, Inc.
Most cited
By later US patents
- Traffic policing in a mobile ad hoc network285US 7,068,600 B2Harris Corporation · 2006
- Determining quality of service (QoS) routing for mobile ad hoc networks194US 6,954,435 B2Harris Corporation · 2005
- Method and apparatus for provisioning and monitoring internet protocol quality of service116US 6,744,767 B1AT&T Corp. · 2004
- Provisioning networks for reliable quality of service95US 6,711,125 B1Extreme Networks, Inc. · 2004
- System and method for protecting against failure of a TE-LSP tail-end node79US 7,586,841 B2Cisco Technology, Inc. · 2009