H04L 49/508
Head of line blocking avoidance
Official title: {Head of Line Blocking Avoidance}
H04L49/508 (Head of line blocking avoidance) appears on 171 US grants and 83 published applications in this corpus.
Search patents in H04L- Granted patents
- 171
- Published applications
- 83
- Assignees
- 86
- Inventors
- 280
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 0 | 0 |
| 1998 | 8 | 0 |
| 1999 | 23 | 0 |
| 2000 | 9 | 0 |
| 2001 | 7 | 3 |
| 2002 | 7 | 12 |
| 2003 | 8 | 8 |
| 2004 | 8 | 4 |
| 2005 | 5 | 3 |
| 2006 | 15 | 8 |
| 2007 | 10 | 4 |
| 2008 | 3 | 6 |
| 2009 | 4 | 4 |
| 2010 | 8 | 8 |
| 2011 | 8 | 3 |
| 2012 | 6 | 3 |
| 2013 | 6 | 2 |
| 2014 | 5 | 1 |
| 2015 | 3 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 3 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Hardware acceleration techniques using flow selection14 Oct 2025US 12,445,380 B2VMware, Inc.
- Apparatus, system, and method of out-of-order delivery of wireless communication frames7 Oct 2025US 12,438,822 B2Intel Corporation
- Hardware acceleration techniques using flow selection16 Apr 2024US 11,962,518 B2VMware, Inc.
- Overload protection engine18 Oct 2022US 11,477,125 B2Intel Corporation
- Turn-based deadlock-free routing in a Cartesian topology23 Aug 2022US 11,425,027 B2Mellanox Technologies, Ltd.
- Hardware acceleration techniques using flow selection30 Oct 2025US 2025/0337687 A1VMware, Inc.
- Method and system for solving bypass-based modular multi-chiplet deadlock23 Oct 2025US 2025/0330432 A1National University of Defense Technology
- Hardware acceleration techniques using flow selection4 Jul 2024US 2024/0223516 A1VMware, Inc.
- Turn-based deadlock-free routing in a Cartesian topology5 May 2022US 2022/0141125 A1Mellanox Technologies Tlv Ltd.
- Apparatus, system, and method of out-of-order delivery of wireless communication frames14 Apr 2022US 2022/0116333 A1Intel Corporation
Most cited
By later US patents
- Allocated and dynamic bandwidth management278US 5,748,629 AFujitsu Limited · 1998
- Hierarchical resource management with maximum allowable allocation boundaries152US 5,889,956 AFujitsu Limited · 1999
- Methods and apparatus related to flow control within a data center switch fabric137US 8,755,396 B2Juniper Networks, Inc. · 2014
- Asynchronous transfer mode based service consolidation switch131US 5,850,395 AFujitsu Limited · 1998
- Methods and apparatus for fairly scheduling queued packets using a ram-based search engine129US 6,389,031 B1Polytechnic University · 2002