H04L 49/55
Prevention, detection or correction of errors
H04L49/55 (Prevention, detection or correction of errors) appears on 1,962 US grants and 1,622 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,962
- Published applications
- 1,622
- Assignees
- 571
- Inventors
- 3,729
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 20 | 0 |
| 1994 | 27 | 0 |
| 1995 | 31 | 0 |
| 1996 | 27 | 0 |
| 1997 | 20 | 0 |
| 1998 | 32 | 0 |
| 1999 | 46 | 0 |
| 2000 | 41 | 0 |
| 2001 | 41 | 6 |
| 2002 | 32 | 62 |
| 2003 | 48 | 45 |
| 2004 | 40 | 43 |
| 2005 | 40 | 77 |
| 2006 | 68 | 63 |
| 2007 | 68 | 78 |
| 2008 | 46 | 64 |
| 2009 | 74 | 61 |
| 2010 | 91 | 72 |
| 2011 | 63 | 57 |
| 2012 | 68 | 93 |
| 2013 | 87 | 82 |
| 2014 | 99 | 83 |
| 2015 | 113 | 120 |
| 2016 | 100 | 90 |
| 2017 | 93 | 74 |
| 2018 | 91 | 119 |
| 2019 | 83 | 67 |
| 2020 | 86 | 72 |
| 2021 | 68 | 70 |
| 2022 | 73 | 39 |
| 2023 | 45 | 25 |
| 2024 | 35 | 26 |
| 2025 | 21 | 17 |
| 2026 | 11 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gate controlled frame or packet replication and elimination function in cloud environment29 Sep 2026US 12,750,306 B2Telefonaktiebolaget LM Ericsson (publ)
- Low latency queuing system29 Sep 2026US 12,750,323 B2Redpanda Data, Inc.
- Method for distributing multipath flows in a direct interconnect network18 Aug 2026US 12,712,805 B2Rockport Networks 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.
- 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
- 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
- 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.
Most cited
By later US patents
- Configurable gigabits switch adapter368US 5,311,509 AInternational Business Machines Corporation · 1994
- System and method for the distribution of hierarchically structured data353US 5,812,773 AMicrosoft Corporation · 1998
- 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
- Allocated and dynamic bandwidth management278US 5,748,629 AFujitsu Limited · 1998