H04L 45/742
Route cache
Official title: {Route cache; Operation thereof}
H04L45/742 (Route cache) appears on 910 US grants and 793 published applications in this corpus.
Search patents in H04L- Granted patents
- 910
- Published applications
- 793
- Assignees
- 315
- Inventors
- 1,700
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 10 | 0 |
| 2000 | 13 | 0 |
| 2001 | 15 | 9 |
| 2002 | 14 | 42 |
| 2003 | 29 | 56 |
| 2004 | 35 | 46 |
| 2005 | 24 | 41 |
| 2006 | 44 | 30 |
| 2007 | 37 | 31 |
| 2008 | 45 | 22 |
| 2009 | 34 | 21 |
| 2010 | 47 | 25 |
| 2011 | 28 | 18 |
| 2012 | 33 | 13 |
| 2013 | 23 | 38 |
| 2014 | 22 | 33 |
| 2015 | 36 | 42 |
| 2016 | 37 | 53 |
| 2017 | 40 | 35 |
| 2018 | 36 | 25 |
| 2019 | 43 | 49 |
| 2020 | 54 | 37 |
| 2021 | 39 | 23 |
| 2022 | 32 | 25 |
| 2023 | 22 | 37 |
| 2024 | 29 | 18 |
| 2025 | 22 | 10 |
| 2026 | 9 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flood attack defense method and related apparatus6 Oct 2026US 12,756,730 B2Huawei Technologies Co., Ltd.
- Enhanced service classification for service function chaining in next generation cellular networks25 Aug 2026US 12,719,788 B2Intel Corporation
- Forceful flow termination for accelerated networking25 Aug 2026US 12,719,792 B2Microsoft Technology Licensing, LLC
- Systems and methods for optimizing a packet classification algorithm for implementation by a packet processing pipeline28 Apr 2026US 12,615,222 B2Pensando Systems Inc.
- Source routing apparatus and method in ICN21 Apr 2026US 12,609,895 B2Electronics and Telecommunications Research Institute
- Bypassing root node communications in a wireless network30 Jul 2026US 2026/0222343 A1Silicon Laboratories Inc.
- Data Processing Method, Smart Network Interface Card, and Electronic Device9 Jul 2026US 2026/0197274 A1Cloud Intelligence Assets Holding (Singapore) Private Limited
- Bypass route cache for a network on a chip2 Jul 2026US 2026/0189503 A1Advanced Micro Devices, Inc.
- Packet flow in a cloud infrastructure based on cached and non-cached configuration information25 Jun 2026US 2026/0180891 A1Oracle International Corporation
- System and method for identifying route dampening in a hybrid multi-cloud network21 May 2026US 2026/0142909 A1Alkira, Inc.
Most cited
By later US patents
- Network router search engine using compressed tree forwarding table568US 6,192,051 B1Redstone Communications, Inc. · 2001
- Fast network layer packet filter484US 6,147,976 ACabletron Systems, Inc. · 2000
- Message routing system for shared communication media networks352US 5,095,480 A1992
- Data structure using a tree bitmap and method for rapid classification of data in a database322US 6,560,610 B1Washington University · 2003
- Quality of service facility in a device for performing IP forwarding and ATM switching322US 6,611,522 B1Juniper Networks, Inc. · 2003