H04L 47/825
Involving tunnels
Official title: {Involving tunnels, e.g. MPLS}
H04L47/825 (Involving tunnels) appears on 693 US grants and 733 published applications in this corpus.
Search patents in H04L- Granted patents
- 693
- Published applications
- 733
- Assignees
- 215
- Inventors
- 1,264
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 1 | 0 |
| 2002 | 6 | 25 |
| 2003 | 14 | 29 |
| 2004 | 9 | 35 |
| 2005 | 14 | 35 |
| 2006 | 19 | 46 |
| 2007 | 18 | 30 |
| 2008 | 28 | 22 |
| 2009 | 32 | 18 |
| 2010 | 39 | 16 |
| 2011 | 24 | 19 |
| 2012 | 20 | 20 |
| 2013 | 23 | 45 |
| 2014 | 32 | 17 |
| 2015 | 28 | 27 |
| 2016 | 37 | 62 |
| 2017 | 34 | 29 |
| 2018 | 40 | 41 |
| 2019 | 43 | 35 |
| 2020 | 37 | 45 |
| 2021 | 35 | 47 |
| 2022 | 51 | 29 |
| 2023 | 41 | 27 |
| 2024 | 28 | 10 |
| 2025 | 22 | 19 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tunneled monitoring service and method19 May 2026US 12,634,217 B2Covenant Eyes, Inc.
- Method and apparatus for a data transmission over a tunnel between donor distributed units5 May 2026US 12,621,254 B2Lenovo (Beijing) Limited
- Resource reservation protocol (RSVP) U-turn detour label switched path (LSP)14 Apr 2026US 12,603,832 B2Juniper Networks, Inc.
- Information exchange and tunnel establishment methods, apparatuses, communication nodes, and storage medium14 Apr 2026US 12,604,236 B2Zte Corporation
- Remote development of embedded systems17 Feb 2026US 12,552,025 B1Amazon Technologies, Inc.
- Application level quality of service control17 Sep 2026US 2026/0281057 A1Telefonaktiebolaget LM Ericsson (publ)
- Methods and systems for application and policy based network traffic isolation and data transfer16 Jul 2026US 2026/0205349 A1Palo Alto Networks, Inc.
- Transparent High Availability Multi-Link Connectivity of Edge Devices16 Jul 2026US 2026/0205413 A1Zscaler, Inc.
- Communication method, communications apparatus, and communications system30 Apr 2026US 2026/0122069 A1Huawei Technologies Co., Ltd.
- Multi-perimeter firewall in the cloud8 Jan 2026US 2026/0012433 A1UMBRA Technologies Ltd.
Most cited
By later US patents
- Packet switching network, packet switching equipment, and network management equipment386US 6,512,745 B1Hitachi, Ltd. · 2003
- Method and apparatus for selectively retrieving information from a source computer using a terrestrial or satellite interface378US 5,852,721 AHughes Electronics Corporation · 1998
- Method and apparatus for selectively allocating and enforcing bandwidth usage requirements on network users341US 6,473,793 B1Hughes Electronics Corporation · 2002
- Packet switching network, packet switching equipment and network management equipment323US 7,046,630 B2Hitachi, Ltd. · 2006
- Automated and adaptive management of bandwidth capacity in telecommunications networks283US 6,842,463 B1Nortel Networks Limited · 2005