H04L 49/602
Multilayer or multiprotocol switching
Official title: {Multilayer or multiprotocol switching, e.g. IP switching}
H04L49/602 (Multilayer or multiprotocol switching) appears on 591 US grants and 492 published applications in this corpus.
Search patents in H04L- Granted patents
- 591
- Published applications
- 492
- Assignees
- 216
- Inventors
- 1,071
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 24 | 0 |
| 2001 | 21 | 16 |
| 2002 | 22 | 36 |
| 2003 | 28 | 37 |
| 2004 | 42 | 31 |
| 2005 | 27 | 45 |
| 2006 | 38 | 37 |
| 2007 | 21 | 31 |
| 2008 | 38 | 16 |
| 2009 | 25 | 28 |
| 2010 | 48 | 15 |
| 2011 | 39 | 21 |
| 2012 | 19 | 20 |
| 2013 | 24 | 19 |
| 2014 | 28 | 15 |
| 2015 | 15 | 14 |
| 2016 | 14 | 11 |
| 2017 | 10 | 14 |
| 2018 | 16 | 7 |
| 2019 | 13 | 16 |
| 2020 | 17 | 14 |
| 2021 | 14 | 16 |
| 2022 | 11 | 3 |
| 2023 | 9 | 12 |
| 2024 | 9 | 7 |
| 2025 | 9 | 7 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Access control and ownership transfer of digital content using a decentralized content fabric and ledger11 Aug 2026US 12,706,842 B2Eluvio, Inc.
- Decentralized content fabric18 Nov 2025US 12,477,028 B2Eluvio, Inc.
- Configuration of a private network segment23 Sep 2025US 12,425,269 B2Underline Technologies, LLC
- Reconfigurable processor-based programmable switching fabric and programmable data plane chip23 Sep 2025US 12,425,356 B1Tsinghua University
- Switched protocol transformer for high-performance computing (HPC) and AI workloads23 Sep 2025US 12,425,358 B2UnifabriX Ltd.
- Modifying Routing Configurations of a Network Fabric Based on Telemetry Data10 Sep 2026US 2026/0270222 A1Oracle International Corporation
- Decentralized content fabric23 Apr 2026US 2026/0113368 A1Eluvio, Inc.
- Automated virtual private network session routing2 Apr 2026US 2026/0095437 A1Fmr LLC
- Configurable Parser and a Method for Parsing Information Units26 Feb 2026US 2026/0059030 A1Amazon Technologies, Inc.
- Controller-to-controller interface for multi-layer network abstraction2 Oct 2025US 2025/0310426 A1Juniper Networks, Inc.
Most cited
By later US patents
- Method and apparatus for managing a network flow in a high performance network interface387US 6,650,640 B1Sun Microsystems, Inc. · 2003
- Method and apparatus for dynamically shifting between routing and switching packets in a transmission network339US 5,920,705 ANokia IP Inc. · 1999
- System and method for implementing logical switches in a network system317US 7,197,572 B2QLOGIC, Corporation · 2007
- Method for sending packets between trunk ports of network switches278US 6,104,696 ABroadcom Corporation · 2000
- System and method for a multi-layer network element238US 6,088,356 ASun Microsystems, Inc. · 2000