H04L 61/2517
Using port numbers
Official title: using port numbers
H04L61/2517 (Using port numbers) appears on 659 US grants and 654 published applications in this corpus.
Search patents in H04L- Granted patents
- 659
- Published applications
- 654
- Assignees
- 255
- Inventors
- 1,313
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 2 |
| 2002 | 7 | 17 |
| 2003 | 4 | 19 |
| 2004 | 11 | 14 |
| 2005 | 10 | 17 |
| 2006 | 11 | 15 |
| 2007 | 13 | 18 |
| 2008 | 19 | 17 |
| 2009 | 13 | 13 |
| 2010 | 20 | 15 |
| 2011 | 13 | 20 |
| 2012 | 20 | 27 |
| 2013 | 19 | 27 |
| 2014 | 38 | 24 |
| 2015 | 34 | 29 |
| 2016 | 20 | 27 |
| 2017 | 35 | 33 |
| 2018 | 40 | 25 |
| 2019 | 33 | 54 |
| 2020 | 35 | 35 |
| 2021 | 55 | 40 |
| 2022 | 38 | 46 |
| 2023 | 59 | 48 |
| 2024 | 50 | 33 |
| 2025 | 29 | 28 |
| 2026 | 20 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reference signal transmitting method and apparatus6 Oct 2026US 12,756,519 B2Zte Corporation
- Distributed network address translation for efficient cloud service access6 Oct 2026US 12,756,681 B2VMware, Inc.
- Layer-2 networking span port in a virtualized cloud environment25 Aug 2026US 12,719,786 B2Oracle International Corporation
- Binding flows to unique addresses or ports25 Aug 2026US 12,719,827 B2Cisco Technology, Inc.
- Encapsulating an SCTP packet in a UDP packet25 Aug 2026US 12,720,408 B2Telefonaktiebolaget LM Ericsson (publ)
- Layer-2 networking storm control in a virtualized cloud environment13 Aug 2026US 2026/0238589 A1Oracle International Corporation
- Method for managing a set of IP addresses, collaboration method, and devices configured to implement these methods23 Jul 2026US 2026/0212010 A1
- Enhanced Discovery of User Plane Function (UPF) with Network Address Translation (NAT) Functionality16 Jul 2026US 2026/0205923 A1Apple Inc.
- Reducing latency and optimizing proxy networks2 Jul 2026US 2026/0189627 A1Webshare Software Company
- Low latency software defined networking4 Jun 2026US 2026/0156050 A1Cfph, LLC
Most cited
By later US patents
- Method and system for locating network services with distributed network address translation472US 6,055,236 A3Com Corporation · 2000
- Method and protocol for distributed network address translation265US 6,353,614 B13Com Corporation · 2002
- Method for network address translation253US 6,006,272 ALucent Technologies Inc. · 1999
- System and method for network address translation as an external service in the access server of a service provider217US 6,058,431 ALucent Technologies Remote Access Business Unit · 2000
- Method for exchanging signaling messages in two phases213US 6,324,279 B1AT&T Corp. · 2001