H04L 12/467
Arrangements for supporting untagged frames
Official title: {Arrangements for supporting untagged frames, e.g. port-based VLANs}
H04L12/467 (Arrangements for supporting untagged frames) appears on 314 US grants and 232 published applications in this corpus.
Search patents in H04L- Granted patents
- 314
- Published applications
- 232
- Assignees
- 124
- Inventors
- 553
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 9 | 0 |
| 2000 | 24 | 0 |
| 2001 | 18 | 3 |
| 2002 | 14 | 13 |
| 2003 | 11 | 15 |
| 2004 | 19 | 19 |
| 2005 | 14 | 20 |
| 2006 | 8 | 15 |
| 2007 | 10 | 12 |
| 2008 | 11 | 18 |
| 2009 | 16 | 6 |
| 2010 | 27 | 13 |
| 2011 | 17 | 8 |
| 2012 | 7 | 2 |
| 2013 | 14 | 7 |
| 2014 | 8 | 13 |
| 2015 | 12 | 12 |
| 2016 | 10 | 11 |
| 2017 | 7 | 3 |
| 2018 | 10 | 4 |
| 2019 | 9 | 10 |
| 2020 | 9 | 2 |
| 2021 | 4 | 5 |
| 2022 | 4 | 7 |
| 2023 | 9 | 5 |
| 2024 | 3 | 4 |
| 2025 | 4 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Virtual local area network (VLAN) support, including private VLAN (PVLAN) support in association with media access control (MAC) based VLAN assignment9 Jun 2026US 12,652,243 B2Arista Networks, Inc.
- Methods and apparatus supporting dynamic ethernet VLAN configuration in a fifth generation system24 Mar 2026US 12,588,084 B2Telefonaktiebolaget LM Ericsson (publ)
- Simplification of layer 2 VPLS control plane21 Oct 2025US 12,452,168 B2Ciena Corporation
- Packet processing method and related device29 Jul 2025US 12,375,392 B2Huawei Technologies Co., Ltd.
- Automated cloud on-ramp in a data center18 Feb 2025US 12,231,264 B2
- Network device and data processing method28 May 2026US 2026/0149623 A1New H3C Technologies Co., Ltd.
- Virtual Local Area Network (VLAN) Support, Including Private VLAN (PVLAN) Support In Association With Media Access Control (MAC) Based VLAN Assignment27 Nov 2025US 2025/0365230 A1Arista Networks, Inc.
- Bidirectional platform for providing multi-tenant services to private customer endpoints21 Aug 2025US 2025/0267039 A1Microsoft Technology Licensing, LLC
- Automated cloud on-ramp in a data center5 Jun 2025US 2025/0184182 A1Cyxtera Data Centers, Inc.
- Methods, network nodes, media for supporting ethernet bridging on user plane10 Apr 2025US 2025/0119317 A1Telefonaktiebolaget LM Ericsson (publ)
Most cited
By later US patents
- Distributed connection-oriented services for switched communications networks673US 5,825,772 ACabletron Systems, Inc. · 1998
- Hub for segmented virtual local area network with shared media access458US 5,394,402 AAscom Timeplex Trading AG · 1995
- Interswitch link mechanism for connecting high-performance network switches430US 5,742,604 ACisco Systems, Inc. · 1998
- Virtual network architecture for space data processing324US 8,031,633 B2Honeywell International Inc. · 2011
- Method for establishing restricted broadcast groups in a switched network281US 5,684,800 ACabletron Systems, Inc. · 1997