H04L 12/4645
Details on frame tagging
Official title: {Details on frame tagging (routing of packets H04L45/00; support for virtual LAN H04L49/354)}
H04L12/4645 (Details on frame tagging) appears on 1,248 US grants and 1,235 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,248
- Published applications
- 1,235
- Assignees
- 321
- Inventors
- 2,090
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 9 | 0 |
| 2000 | 25 | 0 |
| 2001 | 18 | 2 |
| 2002 | 17 | 17 |
| 2003 | 11 | 24 |
| 2004 | 18 | 38 |
| 2005 | 20 | 53 |
| 2006 | 18 | 44 |
| 2007 | 10 | 43 |
| 2008 | 38 | 48 |
| 2009 | 38 | 47 |
| 2010 | 80 | 63 |
| 2011 | 61 | 34 |
| 2012 | 36 | 34 |
| 2013 | 58 | 67 |
| 2014 | 70 | 70 |
| 2015 | 72 | 84 |
| 2016 | 73 | 67 |
| 2017 | 66 | 42 |
| 2018 | 57 | 48 |
| 2019 | 60 | 64 |
| 2020 | 78 | 70 |
| 2021 | 65 | 96 |
| 2022 | 74 | 61 |
| 2023 | 71 | 48 |
| 2024 | 48 | 30 |
| 2025 | 38 | 24 |
| 2026 | 19 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for supporting communication between user equipments (UEs) camping on a local area network (LAN)25 Aug 2026US 12,719,789 B2Telefonaktiebolaget LM Ericsson (publ)
- Communication interface and method for seamless asymmetric communication over multilane communication link4 Aug 2026US 12,701,031 B2Huawei Technologies Co., Ltd.
- Methods and switch devices for switching data frames in a communications network28 Jul 2026US 12,695,697 B2Telia AB
- Network segmentation in multi-site computer networks2 Jun 2026US 12,647,344 B2Cisco Technology, Inc.
- Method for facilitating conveying of a data frame in a communications network26 May 2026US 12,641,020 B2Telia AB
- Network switch and operation method thereof1 Oct 2026US 2026/0303409 A1Realtek Semiconductor Corp.
- Support for high-availability ethernet protocols in overlay networks27 Aug 2026US 2026/0254773 A1Hewlett Packard Enterprise Development LP
- Method and apparatus for determining designated forwarder, and network device30 Jul 2026US 2026/0222333 A1Zte Corporation
- Facilitating secure, scalable, segmented layer two communications30 Jul 2026US 2026/0222387 A1Capital One Services, LLC
- Network segmentation in multi-site computer networks23 Jul 2026US 2026/0214044 A1Cisco Technology, Inc.
Most cited
By later US patents
- Virtual LAN system711US 6,085,238 AMatsushita Electric Works, Ltd. · 2000
- Multiple VLAN Architecture system526US 6,219,699 B1Cisco Technologies, Inc. · 2001
- Providing virtual networking functionality for managed computer networks407US 8,644,188 B1Amazon Technologies, Inc. · 2014
- Peer-model support for virtual private networks with potentially overlapping addresses395US 6,339,595 B12002
- Method for sending packets between trunk ports of network switches278US 6,104,696 ABroadcom Corporation · 2000