H04L 61/2564
For a higher-layer protocol
Official title: {for a higher-layer protocol, e.g. for session initiation protocol [SIP]}
H04L61/2564 (For a higher-layer protocol) appears on 442 US grants and 449 published applications in this corpus.
Search patents in H04L- Granted patents
- 442
- Published applications
- 449
- Assignees
- 186
- Inventors
- 672
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 4 | 28 |
| 2003 | 3 | 23 |
| 2004 | 11 | 10 |
| 2005 | 11 | 19 |
| 2006 | 22 | 24 |
| 2007 | 18 | 36 |
| 2008 | 19 | 29 |
| 2009 | 13 | 35 |
| 2010 | 27 | 31 |
| 2011 | 28 | 20 |
| 2012 | 29 | 21 |
| 2013 | 37 | 25 |
| 2014 | 27 | 23 |
| 2015 | 28 | 21 |
| 2016 | 19 | 18 |
| 2017 | 32 | 13 |
| 2018 | 24 | 18 |
| 2019 | 13 | 21 |
| 2020 | 24 | 11 |
| 2021 | 14 | 6 |
| 2022 | 11 | 3 |
| 2023 | 9 | 4 |
| 2024 | 4 | 3 |
| 2025 | 4 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods, systems, and computer readable media for preserving network bandwidth during network address translation (NAT) device unavailability or after NAT device reboot9 Jun 2026US 12,652,324 B2Oracle International Corporation
- Controller-based distributed remote access with static public IP avoidance4 Nov 2025US 12,463,935 B2Cisco Technology, Inc.
- NAT traversal in VoIP communication system19 Aug 2025US 12,395,462 B18x8, Inc.
- Method and system for a multitenancy telephone network13 May 2025US 12,301,766 B2Twilio Inc.
- Methods and apparatus to perform network-based monitoring of media accesses11 Mar 2025US 12,250,196 B2The Nielsen Company (US), LLC
- Controller-based distributed remote access with static public ip avoidance5 Feb 2026US 2026/0039622 A1Cisco Technology, Inc.
- Methods, systems, and computer readable media for preserving network bandwidth during network address translation (nat) device unavailability or after nat device reboot3 Jul 2025US 2025/0220057 A1Oracle International Corporation
- Methods and apparatus to perform network-based monitoring of media accesses15 May 2025US 2025/0158957 A1The Nielsen Company (US), LLC
- Adaptive network address translation (nat) method and apparatus for voice over internet protocol (voip)1 May 2025US 2025/0141832 A1Yealink (Xiamen) Network Technology Co., Ltd.
- System and method for providing a micro-services communication platform27 Feb 2025US 2025/0071183 A1Twilio Inc.
Most cited
By later US patents
- Security system for network address translation systems670US 5,793,763 ACisco Technology, Inc. · 1998
- Method and system for locating network services with distributed network address translation472US 6,055,236 A3Com Corporation · 2000
- System and method for implementing multiple IP addresses on multiple ports318US 6,061,349 ACisco Technology, Inc. · 2000
- Control channel security for realm specific internet protocol287US 6,353,891 B13Com Corporation · 2002
- Method and protocol for distributed network address translation265US 6,353,614 B13Com Corporation · 2002