H04L 49/253
Using establishment or release of connections between ports
Official title: using establishment or release of connections between ports
H04L49/253 (Using establishment or release of connections between ports) appears on 2,281 US grants and 1,437 published applications in this corpus.
Search patents in H04L- Granted patents
- 2,281
- Published applications
- 1,437
- Assignees
- 559
- Inventors
- 3,657
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 16 | 0 |
| 1990 | 24 | 0 |
| 1991 | 15 | 0 |
| 1992 | 22 | 0 |
| 1993 | 23 | 0 |
| 1994 | 34 | 0 |
| 1995 | 40 | 0 |
| 1996 | 62 | 0 |
| 1997 | 42 | 0 |
| 1998 | 76 | 0 |
| 1999 | 102 | 0 |
| 2000 | 102 | 0 |
| 2001 | 99 | 28 |
| 2002 | 94 | 127 |
| 2003 | 92 | 114 |
| 2004 | 79 | 78 |
| 2005 | 62 | 74 |
| 2006 | 113 | 74 |
| 2007 | 81 | 50 |
| 2008 | 91 | 63 |
| 2009 | 74 | 41 |
| 2010 | 85 | 35 |
| 2011 | 61 | 28 |
| 2012 | 39 | 45 |
| 2013 | 51 | 62 |
| 2014 | 61 | 48 |
| 2015 | 64 | 65 |
| 2016 | 66 | 41 |
| 2017 | 50 | 75 |
| 2018 | 50 | 51 |
| 2019 | 76 | 56 |
| 2020 | 72 | 75 |
| 2021 | 60 | 39 |
| 2022 | 48 | 44 |
| 2023 | 48 | 34 |
| 2024 | 34 | 21 |
| 2025 | 23 | 33 |
| 2026 | 13 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- End-to-end integrity check of a communication stream29 Sep 2026US 12,750,295 B2Thales
- Location specific communications gateway for multi-site enterprise22 Sep 2026US 12,744,747 B2Fisher-Rosemount Systems, Inc.
- Fault response models for data replication spanning different methodologies25 Aug 2026US 12,719,817 B2Everpure, Inc.
- Centralized non-system-memory gateway circuit25 Aug 2026US 12,719,818 B2Apple Inc.
- Switch fabric modification system11 Aug 2026US 12,706,805 B2Dell Products L. P.
- Flow control-based computing system and method for switching connections between computing resources8 Oct 2026US 2026/0312914 A1Electronics and Telecommunications Research Institute
- Configuring switches in a network fabric1 Oct 2026US 2026/0303548 A1Oracle International Corporation
- Modifying Routing Configurations of a Network Fabric Based on Telemetry Data10 Sep 2026US 2026/0270222 A1Oracle International Corporation
- 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.
Most cited
By later US patents
- Policy based quality of service891US 6,104,700 AExtreme Networks, Inc. · 2000
- Hardware-assisted central processing unit access to a forwarding database414US 5,909,686 ASun Microsystems, Inc. · 1999
- Apparatus for interfacing between telecommunications call signals and broadband signals366US 5,327,421 AAT&T Bell Laboratories · 1994
- Packet-switched self-routing multistage interconnection network having contention-free fanout, low-loss routing, and fanin buffering to efficiently realize arbitrarily low packet loss365US 5,541,914 A1996
- Scalable high speed router apparatus342US 7,466,703 B1Alcatel-Lucent USA Inc. · 2008