H04L 12/2801
Broadband local area networks
Official title: {Broadband local area networks}
H04L12/2801 (Broadband local area networks) appears on 2,320 US grants and 2,228 published applications in this corpus.
Search patents in H04L- Granted patents
- 2,320
- Published applications
- 2,228
- Assignees
- 540
- Inventors
- 2,956
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 12 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 18 | 0 |
| 1997 | 18 | 0 |
| 1998 | 55 | 0 |
| 1999 | 49 | 0 |
| 2000 | 32 | 0 |
| 2001 | 53 | 32 |
| 2002 | 48 | 137 |
| 2003 | 66 | 83 |
| 2004 | 53 | 96 |
| 2005 | 67 | 91 |
| 2006 | 103 | 89 |
| 2007 | 74 | 168 |
| 2008 | 71 | 135 |
| 2009 | 90 | 101 |
| 2010 | 126 | 112 |
| 2011 | 118 | 123 |
| 2012 | 93 | 66 |
| 2013 | 98 | 85 |
| 2014 | 121 | 69 |
| 2015 | 108 | 70 |
| 2016 | 94 | 86 |
| 2017 | 69 | 84 |
| 2018 | 89 | 69 |
| 2019 | 77 | 96 |
| 2020 | 91 | 78 |
| 2021 | 71 | 64 |
| 2022 | 73 | 87 |
| 2023 | 83 | 71 |
| 2024 | 66 | 52 |
| 2025 | 51 | 41 |
| 2026 | 36 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- RF outlet power test device6 Oct 2026US 12,756,484 B1VeEX Inc.
- Systems and methods for low data rate, low power bi-directional transmissions over existing physical communication media29 Sep 2026US 12,750,086 B2Applied Optoelectronics, Inc.
- Systems and methods for determining bit loading profiles for cable modems15 Sep 2026US 12,738,975 B2Avago Technologies International Sales Pte. Limited
- High precision timestamp detection for improved cable modem clock synchronization15 Sep 2026US 12,739,092 B2MaxLinear, Inc.
- Broadband access management systems and methods1 Sep 2026US 12,726,566 B2Epic Lane Networks, LP
- Systems and methods for supporting phase adjustments over docsis1 Oct 2026US 2026/0303247 A1ARRIS Enterprises LLC
- Comprehensive System Design to Address the Needs for Virtual Segmentation of the Coaxial Cable Plant1 Oct 2026US 2026/0303397 A1HyperX Holdings LLC
- Catv hybrid fiber-coaxial network headend virtual gateway1 Oct 2026US 2026/0303398 A1Applied Optoelectronics, Inc.
- Tunnel keepalive method, network device, system, and storage medium24 Sep 2026US 2026/0291778 A1Huawei Technologies Co., Ltd.
- Full-Duplex Cable Modem Calibration17 Sep 2026US 2026/0280603 A1MaxLinear, Inc.
Most cited
By later US patents
- Wireless on-premises video distribution using digital multiplexing766US 5,708,961 ABell Atlantic Network Services, Inc. · 1998
- Access to telecommunications networks in multi-service environment695US 5,610,910 ANorthern Telecom Limited · 1997
- Lower overhead method for data transmission using ATM and SCDMA over hybrid fiber coax cable plant683US 5,991,308 ATerayon Communication Systems, Inc. · 1999
- Systems and methods for the automatic registration of devices649US 6,686,838 B1Xanboo, Inc. · 2004
- Scalable multimedia network602US 5,555,244 AIntegrated Network Corporation · 1996