H04L 12/4604
Lan interconnection over a backbone network
Official title: {LAN interconnection over a backbone network, e.g. Internet, Frame Relay}
H04L12/4604 (Lan interconnection over a backbone network) appears on 4,743 US grants and 4,512 published applications in this corpus.
Search patents in H04L- Granted patents
- 4,743
- Published applications
- 4,512
- Assignees
- 1,359
- Inventors
- 9,011
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 7 | 0 |
| 1989 | 12 | 0 |
| 1990 | 9 | 0 |
| 1991 | 12 | 0 |
| 1992 | 17 | 0 |
| 1993 | 13 | 0 |
| 1994 | 24 | 0 |
| 1995 | 38 | 0 |
| 1996 | 36 | 0 |
| 1997 | 37 | 0 |
| 1998 | 73 | 0 |
| 1999 | 77 | 0 |
| 2000 | 90 | 0 |
| 2001 | 81 | 34 |
| 2002 | 80 | 118 |
| 2003 | 98 | 161 |
| 2004 | 94 | 157 |
| 2005 | 81 | 154 |
| 2006 | 110 | 146 |
| 2007 | 94 | 130 |
| 2008 | 127 | 176 |
| 2009 | 125 | 165 |
| 2010 | 187 | 196 |
| 2011 | 189 | 195 |
| 2012 | 165 | 201 |
| 2013 | 184 | 175 |
| 2014 | 251 | 180 |
| 2015 | 223 | 217 |
| 2016 | 196 | 214 |
| 2017 | 186 | 278 |
| 2018 | 213 | 285 |
| 2019 | 299 | 297 |
| 2020 | 306 | 280 |
| 2021 | 264 | 207 |
| 2022 | 226 | 159 |
| 2023 | 193 | 172 |
| 2024 | 146 | 100 |
| 2025 | 120 | 70 |
| 2026 | 39 | 45 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-level video processing within a vehicular communication network29 Sep 2026US 12,749,358 B2Avago Technologies International Sales Pte. Limited
- Method and system of overlay flow control29 Sep 2026US 12,750,290 B2VeloCloud Networks, LLC
- Bridge device15 Sep 2026US 12,738,143 B2Tyco Fire & Security GmbH
- Method and protocol for transmission of video and audio data25 Aug 2026US 12,720,165 B1BoxCast, LLC
- Source load balancing of data packets11 Aug 2026US 12,706,847 B2Cisco Technology, Inc.
- System and method for communication between a level switch field device and a controller in a field device communication system1 Oct 2026US 2026/0303406 A1Rosemount Tank Radar AB
- Outboard power control unit for controlling an electric motor of an outboard engine27 Aug 2026US 2026/0249970 A1Vision Marine Technologies
- Onboard relay apparatus, relay method, and computer program13 Aug 2026US 2026/0238509 A1Autonetworks Technologies, Ltd.
- Vehicle-mounted relay device, relay method, and computer program13 Aug 2026US 2026/0238513 A1Autonetworks Technologies, Ltd.
- Vehicle-mounted relay device, relay method, and computer program13 Aug 2026US 2026/0238707 A1Autonetworks Technologies, Ltd.
Most cited
By later US patents
- Reference time distribution over a network1,680US 8,014,423 B2SMSC Holdings S.A.R.L. · 2011
- Method for providing communication services over a computer network system1,006US 6,332,163 B1Accenture LLP · 2001
- Mobile networking method and apparatus883US 5,572,528 ANovell, Inc. · 1996
- Method and apparatus for virtual switching805US 5,550,816 AStorage Technology Corporation · 1996
- Browser based command and control home network693US 6,288,716 B1Samsung Electronics Co., Ltd. · 2001