H04L 49/30
Peripheral units
Official title: {Peripheral units, e.g. input or output ports}
H04L49/30 (Peripheral units) appears on 5,675 US grants and 3,914 published applications in this corpus.
Search patents in H04L- Granted patents
- 5,675
- Published applications
- 3,914
- Assignees
- 1,006
- Inventors
- 8,377
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 15 | 0 |
| 1990 | 25 | 0 |
| 1991 | 15 | 0 |
| 1992 | 33 | 0 |
| 1993 | 43 | 0 |
| 1994 | 69 | 0 |
| 1995 | 92 | 0 |
| 1996 | 127 | 0 |
| 1997 | 96 | 0 |
| 1998 | 165 | 0 |
| 1999 | 186 | 0 |
| 2000 | 211 | 0 |
| 2001 | 179 | 70 |
| 2002 | 202 | 254 |
| 2003 | 221 | 269 |
| 2004 | 227 | 187 |
| 2005 | 172 | 192 |
| 2006 | 267 | 199 |
| 2007 | 203 | 142 |
| 2008 | 201 | 138 |
| 2009 | 165 | 137 |
| 2010 | 221 | 109 |
| 2011 | 170 | 113 |
| 2012 | 131 | 109 |
| 2013 | 131 | 143 |
| 2014 | 157 | 133 |
| 2015 | 164 | 177 |
| 2016 | 174 | 180 |
| 2017 | 162 | 162 |
| 2018 | 193 | 141 |
| 2019 | 195 | 175 |
| 2020 | 201 | 233 |
| 2021 | 189 | 148 |
| 2022 | 178 | 167 |
| 2023 | 164 | 113 |
| 2024 | 124 | 101 |
| 2025 | 120 | 82 |
| 2026 | 56 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04L 49/3009Header conversion, routing tables or routing tags1,843
- H04L 49/3081Atm peripheral units1,538
- H04L 49/3027Output queuing700
- H04L 49/3018Input queuing603
- H04L 49/3063Pipelined operation400
- H04L 49/3072Packet splitting273
- H04L 49/3045Virtual queuing272
- H04L 49/3054Auto-negotiation181
All 9 subgroupsShow fewer
Recent patents
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- System and method of processing control plane data15 Sep 2026US 12,739,214 B2Arista Networks, Inc.
- API for Multi-NIC Load Balancing8 Oct 2026US 2026/0312906 A1Mellanox Technologies, Ltd.
- Namespaces for protected multi-tenant packet processing pipelines24 Sep 2026US 2026/0291844 A1Microsoft Technology Licensing, LLC
- Network switch for interconnecting computing devices24 Sep 2026US 2026/0291881 A1Auradine, Inc.
- Speculative-execution-based stateful programmable data plane structure and chip3 Sep 2026US 2026/0261527 A1Tsinghua University
- Packet processing pipeline sharing in a network switch30 Jul 2026US 2026/0222366 A1Avago Technologies International Sales Pte. Limited
Most cited
By later US patents
- Distributed memory switching hub1,538US 6,175,571 B1Network Peripherals, Inc. · 2001
- Policy based quality of service891US 6,104,700 AExtreme Networks, Inc. · 2000
- Computer network switching system425US 5,274,631 AKalpana, Inc. · 1993
- Hardware-assisted central processing unit access to a forwarding database414US 5,909,686 ASun Microsystems, Inc. · 1999
- Systems and methods for processing packets410US 7,215,637 B1Juniper Networks, Inc. · 2007