H04L 49/555
Error detection
Official title: {Error detection}
H04L49/555 (Error detection) appears on 637 US grants and 496 published applications in this corpus.
Search patents in H04L- Granted patents
- 637
- Published applications
- 496
- Assignees
- 213
- Inventors
- 1,102
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 10 | 0 |
| 1994 | 13 | 0 |
| 1995 | 14 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 16 | 0 |
| 1999 | 36 | 0 |
| 2000 | 27 | 0 |
| 2001 | 20 | 0 |
| 2002 | 10 | 9 |
| 2003 | 13 | 7 |
| 2004 | 12 | 8 |
| 2005 | 7 | 23 |
| 2006 | 12 | 17 |
| 2007 | 13 | 17 |
| 2008 | 12 | 18 |
| 2009 | 16 | 15 |
| 2010 | 27 | 10 |
| 2011 | 18 | 19 |
| 2012 | 16 | 33 |
| 2013 | 13 | 19 |
| 2014 | 29 | 15 |
| 2015 | 28 | 27 |
| 2016 | 25 | 31 |
| 2017 | 21 | 18 |
| 2018 | 30 | 86 |
| 2019 | 39 | 33 |
| 2020 | 37 | 30 |
| 2021 | 27 | 30 |
| 2022 | 26 | 7 |
| 2023 | 16 | 5 |
| 2024 | 6 | 9 |
| 2025 | 8 | 2 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for improved network resilience11 Aug 2026US 12,706,862 B2Mellanox Technologies, Ltd.
- Adaptive network systems and methods for identifying and recovering lost packets16 Jun 2026US 12,659,082 B2Google Inc.
- Network switch and link recovery method for dual-homing thereof3 Mar 2026US 12,568,053 B2Moxa Inc.
- Pre-build validation of distributed disaggregated white box routing systems23 Dec 2025US 12,506,654 B2AT&T Intellectual Property I, L. P.
- Network switch and abnormity detecting method25 Nov 2025US 12,483,460 B2Realtek Semiconductor Corp.
- Transmission apparatus and transmission method3 Sep 2026US 2026/0261528 A1Sony Semiconductor Solutions Corporation
- Data processing method and related apparatus20 Aug 2026US 2026/0244205 A1Tencent Technology (Shenzhen) Company Limited
- Method and apparatus for determining faulty device, and non-volatile readable storage medium and electronic device30 Apr 2026US 2026/0121910 A1Suzhou Metabrain Intelligent Technology Co., Ltd.
- Pre-build validation of distributed disaggregated white box routing systems30 Apr 2026US 2026/0121915 A1AT&T Intellectual Property I, L. P.
- Systems and methods for managing device failover and data routing in network systems30 Apr 2026US 2026/0122011 A1Avago Technologies International Sales Pte. Limited
Most cited
By later US patents
- Method for hashing in a packet network switching system314US 5,708,659 ALSI Logic Corporation · 1998
- Allocated and dynamic bandwidth management278US 5,748,629 AFujitsu Limited · 1998
- Automatically scaled network overlay with heuristic monitoring in a hybrid cloud environment249US 8,856,339 B2Cisco Technology, Inc. · 2014
- Distributed telecommunications switching system and method241US 5,999,518 AAlcatel USA Sourcing, L. P. · 1999
- Integrated packetized voice and data switching system213US 4,958,341 AAT&T Bell Laboratories · 1990