H04L 49/20
Support for services
H04L49/20 (Support for services) appears on 2,616 US grants and 1,827 published applications in this corpus.
Search patents in H04L- Granted patents
- 2,616
- Published applications
- 1,827
- Assignees
- 649
- Inventors
- 4,342
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 13 | 0 |
| 1990 | 8 | 0 |
| 1991 | 7 | 0 |
| 1992 | 9 | 0 |
| 1993 | 18 | 0 |
| 1994 | 30 | 0 |
| 1995 | 34 | 0 |
| 1996 | 57 | 0 |
| 1997 | 44 | 0 |
| 1998 | 75 | 0 |
| 1999 | 90 | 0 |
| 2000 | 100 | 0 |
| 2001 | 99 | 30 |
| 2002 | 106 | 119 |
| 2003 | 110 | 117 |
| 2004 | 94 | 90 |
| 2005 | 80 | 106 |
| 2006 | 118 | 79 |
| 2007 | 90 | 68 |
| 2008 | 75 | 57 |
| 2009 | 76 | 56 |
| 2010 | 91 | 51 |
| 2011 | 91 | 56 |
| 2012 | 51 | 47 |
| 2013 | 80 | 70 |
| 2014 | 91 | 93 |
| 2015 | 88 | 84 |
| 2016 | 84 | 71 |
| 2017 | 87 | 85 |
| 2018 | 69 | 72 |
| 2019 | 95 | 81 |
| 2020 | 100 | 111 |
| 2021 | 85 | 95 |
| 2022 | 92 | 52 |
| 2023 | 59 | 39 |
| 2024 | 44 | 30 |
| 2025 | 40 | 31 |
| 2026 | 16 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- L1 replicator and switch combination using optical fabric29 Sep 2026US 12,750,328 B2Morgan Stanley Services Group Inc.
- Network interface device29 Sep 2026US 12,750,329 B2Xilinx, Inc.
- Initializing of a system arrangement for the packet-based transfer of data25 Aug 2026US 12,719,801 B2Inova Semiconductors GmbH
- Method and system for robust streaming of data4 Aug 2026US 12,701,084 B2
- Supporting real number calculations in physical switches14 Jul 2026US 12,683,916 B2Orange
- API for Multi-NIC Load Balancing8 Oct 2026US 2026/0312906 A1Mellanox Technologies, Ltd.
- Virtual Partition Lifecycle Management with Collective Operation Resource Allocation in a UALink Network27 Aug 2026US 2026/0252405 A1UnifabriX Ltd.
- Switch-Offloaded Block Collective Operations with Autonomous Memory Access in a UALink Network27 Aug 2026US 2026/0252419 A1UnifabriX Ltd.
- Collective Operation Resilience for Chiplet-Based UALink Networks27 Aug 2026US 2026/0252512 A1UnifabriX Ltd.
- Compressed Transaction Layer Encoding for Collective Operations in UALink Networks27 Aug 2026US 2026/0252517 A1UnifabriX Ltd.
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
- Distributed connection-oriented services for switched communications networks673US 5,825,772 ACabletron Systems, Inc. · 1998
- Network having secure fast packet switching and guaranteed quality of service466US 5,485,455 ACabletron Systems, Inc. · 1996
- Computer network switching system425US 5,274,631 AKalpana, Inc. · 1993