H04L 63/02
Network architectures or network communication protocols for network security: for separating internal
Official title: {for separating internal from external traffic, e.g. firewalls}
H04L63/02 (Network architectures or network communication protocols for network security: for separating internal) appears on 22,155 US grants and 24,489 published applications in this corpus.
Search patents in H04L- Granted patents
- 22,155
- Published applications
- 24,489
- Assignees
- 4,455
- Inventors
- 34,824
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 10 | 0 |
| 1997 | 14 | 0 |
| 1998 | 47 | 0 |
| 1999 | 63 | 0 |
| 2000 | 82 | 0 |
| 2001 | 93 | 61 |
| 2002 | 89 | 447 |
| 2003 | 121 | 498 |
| 2004 | 152 | 510 |
| 2005 | 158 | 603 |
| 2006 | 321 | 671 |
| 2007 | 305 | 652 |
| 2008 | 369 | 646 |
| 2009 | 422 | 561 |
| 2010 | 588 | 616 |
| 2011 | 625 | 575 |
| 2012 | 674 | 675 |
| 2013 | 766 | 822 |
| 2014 | 1026 | 1012 |
| 2015 | 1085 | 1114 |
| 2016 | 1181 | 1340 |
| 2017 | 1215 | 1447 |
| 2018 | 1195 | 1379 |
| 2019 | 1408 | 1515 |
| 2020 | 1564 | 1632 |
| 2021 | 1602 | 1642 |
| 2022 | 1648 | 1555 |
| 2023 | 1666 | 1487 |
| 2024 | 1568 | 1268 |
| 2025 | 1324 | 1103 |
| 2026 | 765 | 658 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cards, devices, systems, and methods for zone-based network management6 Oct 2026US 12,756,685 B1Dynamics Inc.
- Method of edge-based auto containment6 Oct 2026US 12,756,686 B2Bull SAS
- Zero trust network infrastructure with location service for routing connections via intermediary nodes6 Oct 2026US 12,756,687 B2Akami Technologies, Inc.
- Wireless flow inspection solution in SD-WAN multi-domains6 Oct 2026US 12,756,688 B2Cisco Technology, Inc.
- Detecting and preventing transmission of spam messages using modified source numbers6 Oct 2026US 12,756,689 B2Proofpoint, Inc.
- Connecting applications with external systems via a single communication channel8 Oct 2026US 2026/0310530 A1GE Precision Healthcare LLC
- Techniques for generating and implementing data security in a network8 Oct 2026US 2026/0310556 A1T-Mobile USA, Inc.
- Apparatus for gateway, control method thereof and vehicle system8 Oct 2026US 2026/0310781 A1Hyundai Motor Company
- System to manage privacy preferences8 Oct 2026US 2026/0312933 A1Wells Fargo Bank, N. A.
- Inline multi-stage attack detection and prevention8 Oct 2026US 2026/0312934 A1Palo Alto Networks, Inc.
Most cited
By later US patents
- Providing collaborative installation management in a network-based supply chain environment1,805US 6,606,744 B1Accenture LLP · 2003
- Data security system and method responsive to electronic attacks1,449US 7,146,644 B2Digital Doors, Inc. · 2006
- System for regulating access to and distributing content in a network1,380US 8,122,128 B22012
- System and methodology for managing internet access on a per application basis for client computers connected to the internet1,331US 5,987,611 AZone Labs, Inc. · 1999
- Systems and methods for secure transaction management and electronic rights protection1,270US 5,982,891 AIntertrust Technologies Corporation · 1999