H04L 49/309
Header conversion, routing tables or routing tags
Official title: {Header conversion, routing tables or routing tags}
H04L49/309 (Header conversion, routing tables or routing tags) appears on 476 US grants and 150 published applications in this corpus.
Search patents in H04L- Granted patents
- 476
- Published applications
- 150
- Assignees
- 162
- Inventors
- 774
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 22 | 0 |
| 1996 | 22 | 0 |
| 1997 | 11 | 0 |
| 1998 | 32 | 0 |
| 1999 | 60 | 0 |
| 2000 | 40 | 0 |
| 2001 | 25 | 6 |
| 2002 | 33 | 25 |
| 2003 | 34 | 16 |
| 2004 | 31 | 14 |
| 2005 | 11 | 11 |
| 2006 | 29 | 6 |
| 2007 | 7 | 8 |
| 2008 | 17 | 5 |
| 2009 | 8 | 6 |
| 2010 | 9 | 2 |
| 2011 | 7 | 6 |
| 2012 | 6 | 7 |
| 2013 | 3 | 5 |
| 2014 | 3 | 6 |
| 2015 | 2 | 6 |
| 2016 | 6 | 2 |
| 2017 | 7 | 6 |
| 2018 | 3 | 3 |
| 2019 | 5 | 2 |
| 2020 | 3 | 2 |
| 2021 | 3 | 2 |
| 2022 | 2 | 1 |
| 2023 | 3 | 2 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Efficient packet re-transmission for express data paths25 Mar 2025US 12,261,925 B2Red Hat, Inc.
- Reverse forwarding information base enforcement18 Feb 2025US 12,231,327 B2128 Technology, Inc.
- Enhanced management of communication rules over multiple computing networks10 Dec 2024US 12,166,681 B2Nicira, Inc.
- Reverse forwarding information base enforcement8 Aug 2023US 11,722,405 B2128 Technology, Inc.
- Device and method for interconnecting two subnetworks20 Jun 2023US 11,683,275 B2Sagemcom Broadband SAS
- Reverse forwarding information base enforcement1 May 2025US 2025/0141800 A1128 Technology, Inc.
- Reverse forwarding information base enforcement12 Oct 2023US 2023/0327984 A1128 Technology, Inc.
- Enhanced management of communication rules over multiple computing networks29 Jun 2023US 2023/0208765 A1VMware, Inc.
- Efficient packet re-transmission for express data paths28 Jul 2022US 2022/0239767 A1Red Hat, Inc.
- Reverse forwarding information base enforcement4 Nov 2021US 2021/0344593 A1128 Technology, Inc.
Most cited
By later US patents
- Bridge/router architecture for high performance scalable networking346US 5,802,278 A3Com Corporation · 1998
- Transparent interconnector of LANs by an ATM network295US 5,818,842 ANewbridge Networks Corporation · 1998
- Allocated and dynamic bandwidth management278US 5,748,629 AFujitsu Limited · 1998
- Method for sending packets between trunk ports of network switches278US 6,104,696 ABroadcom Corporation · 2000
- Method and apparatus for dynamically shifting between routing and switching packets in a transmission network271US 5,892,924 AIPSILON Networks, Inc. · 1999