H04L 49/351
For local area network [lan]
Official title: for local area network [LAN], e.g. Ethernet switches
H04L49/351 (For local area network [lan]) appears on 2,247 US grants and 1,793 published applications in this corpus.
Search patents in H04L- Granted patents
- 2,247
- Published applications
- 1,793
- Assignees
- 658
- Inventors
- 3,747
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 9 | 0 |
| 1996 | 18 | 0 |
| 1997 | 18 | 0 |
| 1998 | 51 | 0 |
| 1999 | 50 | 0 |
| 2000 | 96 | 0 |
| 2001 | 92 | 23 |
| 2002 | 93 | 114 |
| 2003 | 84 | 113 |
| 2004 | 104 | 91 |
| 2005 | 88 | 125 |
| 2006 | 104 | 119 |
| 2007 | 81 | 83 |
| 2008 | 80 | 75 |
| 2009 | 103 | 83 |
| 2010 | 114 | 75 |
| 2011 | 98 | 69 |
| 2012 | 83 | 77 |
| 2013 | 89 | 86 |
| 2014 | 98 | 76 |
| 2015 | 86 | 82 |
| 2016 | 83 | 65 |
| 2017 | 84 | 64 |
| 2018 | 71 | 40 |
| 2019 | 62 | 70 |
| 2020 | 67 | 66 |
| 2021 | 39 | 53 |
| 2022 | 60 | 40 |
| 2023 | 50 | 37 |
| 2024 | 35 | 24 |
| 2025 | 28 | 26 |
| 2026 | 15 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Controller area network (CAN) bus system using CANsec security protocol6 Oct 2026US 12,754,874 B2Robert Bosch GmbH
- Network coupling device for a network and network with a network coupling device4 Aug 2026US 12,701,021 B2Phoenix Contact GmbH & Co.KG
- Access for compute nodes to a storage server through a PCI Express fabric28 Jul 2026US 12,693,985 B2Sony Interactive Entertainment Inc.
- Processing of ethernet packets at a programmable integrated circuit14 Jul 2026US 12,681,893 B2Achronix Semiconductor Corporation
- Smart network interface card and arrangements for reducing cabling requirements in rack systems7 Jul 2026US 12,676,824 B2Super Micro Computer, Inc.
- System with cache-coherent memory and server-linking switch1 Oct 2026US 2026/0300204 A1Samsung Electronics Co., Ltd.
- In-vehicle communication device that processes packets based on acl (access control list) and udf (user defined field)17 Sep 2026US 2026/0281036 A1Telechips Inc.
- Techniques for diminishing latency in a distributed antenna system10 Sep 2026US 2026/0269870 A1Outdoor Wireless Networks LLC
- Out-of-band ethernet interface switching apparatus, multi-node server system and server device27 Aug 2026US 2026/0254778 A1Suzhou Metabrain Intelligent Technology Co., Ltd.
- Replay micro-architecture for ethernet23 Jul 2026US 2026/0214067 A1Tesla, Inc.
Most cited
By later US patents
- Distributed memory switching hub1,538US 6,175,571 B1Network Peripherals, Inc. · 2001
- Policy based quality of service891US 6,104,700 AExtreme Networks, Inc. · 2000
- Distributed connection-oriented services for switched communications networks673US 5,825,772 ACabletron Systems, Inc. · 1998
- Fast network layer packet filter484US 6,147,976 ACabletron Systems, Inc. · 2000
- Interswitch link mechanism for connecting high-performance network switches430US 5,742,604 ACisco Systems, Inc. · 1998