H04L 2101/663
Transport layer addresses
Official title: Transport layer addresses, e.g. aspects of transmission control protocol [TCP] or user datagram protocol [UDP] ports
H04L2101/663 (Transport layer addresses) appears on 493 US grants and 494 published applications in this corpus.
Search patents in H04L- Granted patents
- 493
- Published applications
- 494
- Assignees
- 236
- Inventors
- 956
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 12 | 0 |
| 2001 | 12 | 6 |
| 2002 | 7 | 19 |
| 2003 | 7 | 16 |
| 2004 | 9 | 20 |
| 2005 | 10 | 38 |
| 2006 | 11 | 17 |
| 2007 | 16 | 17 |
| 2008 | 20 | 13 |
| 2009 | 12 | 13 |
| 2010 | 25 | 11 |
| 2011 | 10 | 7 |
| 2012 | 19 | 24 |
| 2013 | 19 | 14 |
| 2014 | 22 | 14 |
| 2015 | 18 | 19 |
| 2016 | 18 | 43 |
| 2017 | 21 | 34 |
| 2018 | 36 | 18 |
| 2019 | 31 | 30 |
| 2020 | 30 | 28 |
| 2021 | 33 | 33 |
| 2022 | 28 | 27 |
| 2023 | 22 | 12 |
| 2024 | 21 | 12 |
| 2025 | 11 | 8 |
| 2026 | 7 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Encapsulating an SCTP packet in a UDP packet25 Aug 2026US 12,720,408 B2Telefonaktiebolaget LM Ericsson (publ)
- Proxy-less private connectivity across VPC networks with port based routing2 Jun 2026US 12,647,385 B2Google Inc.
- Disaster recovery for cloud-based monitoring of internet access2 Jun 2026US 12,647,392 B2Zscaler, Inc.
- Systems and methods for performing split tunneling via different tunnels2 Jun 2026US 12,647,418 B2Zscaler, Inc.
- Methods, systems, and devices to enable an association between a base station and an access and mobility management function (AMF) in the mobile network core located in the public cloud network through a network address translation (NAT) gateway7 Apr 2026US 12,598,154 B2AT&T Intellectual Property I, L. P.
- Communication method and communication apparatus12 Mar 2026US 2026/0075111 A1
- Systems, methods, and apparatus to monitor mobile internet activity11 Dec 2025US 2025/0379916 A1The Nielsen Company (US), LLC
- Method for obtaining information, communication device, and storage medium27 Nov 2025US 2025/0365351 A1Vivo Mobile Communication Co., Ltd.
- Provisioning of encrypted dns services20 Nov 2025US 2025/0358284 A1McAfee, Inc.
- Application identification23 Oct 2025US 2025/0330465 A1Cisco Technology, Inc.
Most cited
By later US patents
- Security system for network address translation systems670US 5,793,763 ACisco Technology, Inc. · 1998
- System and method for implementing multiple IP addresses on multiple ports318US 6,061,349 ACisco Technology, Inc. · 2000
- Network port profiling300US 7,290,283 B2Lancope, Inc. · 2007
- Network service zone locking288US 7,644,151 B2Lancope, Inc. · 2010
- File transfer system using dynamically assigned ports287US 6,219,669 B1Hyperspace Communications, Inc. · 2001