H04L 49/557
Error correction
Official title: {Error correction, e.g. fault recovery or fault tolerance}
H04L49/557 (Error correction) appears on 608 US grants and 483 published applications in this corpus.
Search patents in H04L- Granted patents
- 608
- Published applications
- 483
- Assignees
- 274
- Inventors
- 1,236
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 14 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 0 |
| 2002 | 11 | 15 |
| 2003 | 9 | 9 |
| 2004 | 11 | 4 |
| 2005 | 9 | 16 |
| 2006 | 13 | 21 |
| 2007 | 22 | 23 |
| 2008 | 14 | 13 |
| 2009 | 20 | 24 |
| 2010 | 23 | 25 |
| 2011 | 14 | 14 |
| 2012 | 21 | 26 |
| 2013 | 32 | 28 |
| 2014 | 31 | 34 |
| 2015 | 43 | 50 |
| 2016 | 38 | 36 |
| 2017 | 46 | 22 |
| 2018 | 27 | 17 |
| 2019 | 29 | 16 |
| 2020 | 20 | 19 |
| 2021 | 19 | 20 |
| 2022 | 25 | 13 |
| 2023 | 18 | 11 |
| 2024 | 14 | 9 |
| 2025 | 6 | 9 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low latency queuing system29 Sep 2026US 12,750,323 B2Redpanda Data, Inc.
- Reporting of actively discard packets information for application-layer forward error correction in 5G services11 Aug 2026US 12,706,695 B2InterDigital VC Holdings, Inc.
- 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 network architecture for heterogeneous network coupling and backup21 Apr 2026US 12,609,890 B2Moxa Inc.
- Transmission apparatus and transmission method3 Sep 2026US 2026/0261528 A1Sony Semiconductor Solutions Corporation
- Redundant Switch for Ethernet Network6 Aug 2026US 2026/0230441 A1ABB Schweiz AG
- Systems and methods for initiating a corrective action within a marshaling environment30 Jul 2026US 2026/0222275 A1Ford Global Technologies, LLC
- Systems and methods for managing device failover and data routing in network systems30 Apr 2026US 2026/0122011 A1Avago Technologies International Sales Pte. Limited
- As-needed forward error correction19 Mar 2026US 2026/0081712 A1Cornelis Networks, Inc.
Most cited
By later US patents
- Network hub with integrated bridge335US 5,432,907 ANetwork Resources Corporation · 1995
- Method for hashing in a packet network switching system314US 5,708,659 ALSI Logic Corporation · 1998
- Network connector operable in bridge mode and bypass mode273US 6,006,275 ACompaq Computer Corporation · 1999
- Fault tolerant recoverable TCP/IP connection router264US 6,148,410 AInternational Business Machines Corporation · 2000
- Data link layer protocol for transport of ATM cells over a wireless link251US 5,717,689 ALucent Technologies Inc. · 1998