H04L 63/0218
Distributed architectures
Official title: {Distributed architectures, e.g. distributed firewalls}
H04L63/0218 (Distributed architectures) appears on 865 US grants and 887 published applications in this corpus.
Search patents in H04L- Granted patents
- 865
- Published applications
- 887
- Assignees
- 326
- Inventors
- 1,452
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 3 |
| 2002 | 8 | 20 |
| 2003 | 15 | 27 |
| 2004 | 10 | 18 |
| 2005 | 10 | 35 |
| 2006 | 18 | 38 |
| 2007 | 12 | 20 |
| 2008 | 17 | 26 |
| 2009 | 26 | 17 |
| 2010 | 28 | 22 |
| 2011 | 28 | 20 |
| 2012 | 27 | 37 |
| 2013 | 40 | 43 |
| 2014 | 50 | 30 |
| 2015 | 47 | 49 |
| 2016 | 49 | 38 |
| 2017 | 54 | 55 |
| 2018 | 35 | 49 |
| 2019 | 38 | 52 |
| 2020 | 53 | 54 |
| 2021 | 60 | 54 |
| 2022 | 45 | 46 |
| 2023 | 53 | 37 |
| 2024 | 67 | 30 |
| 2025 | 36 | 50 |
| 2026 | 19 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-data plane architecture for continuous integration, continuous deployment (CI/CD)15 Sep 2026US 12,739,228 B2Cisco Technology, Inc.
- Managing untyped network traffic flows25 Aug 2026US 12,717,897 B2Sophos Limited
- Secure message exchange between deployments18 Aug 2026US 12,712,845 B2Snowflake Inc.
- System and method for flow classification in multitenant VPN networks28 Jul 2026US 12,695,724 B2Alkira, Inc.
- Policy and traffic management in an overlay network9 Jun 2026US 12,652,268 B2Google Inc.
- Firewalls automatic rules creation from stealthwatch data27 Aug 2026US 2026/0254793 A1Cisco Technology, Inc.
- Firewall switchover management in telecommunications networks13 Aug 2026US 2026/0238613 A1Boost SubscriberCo L.L.C.
- Propagating policy changes in a network using distributed policy enforcement30 Jul 2026US 2026/0222388 A1Arista Networks, Inc.
- Network security using primary and secondary security group tags30 Jul 2026US 2026/0222411 A1Cisco Technology, Inc.
- Accounting for Resource Constraints When Enforcing Policies in a Network25 Jun 2026US 2026/0180954 A1Arista Networks, Inc.
Most cited
By later US patents
- Multilayer firewall system819US 5,968,176 A3Com Corporation · 1999
- Distributed administration of access to information650US 6,408,336 B12002
- Active firewall system and methodology547US 6,550,012 B1Network Associates, Inc. · 2003
- Integrated customer interface for web based data management455US 6,615,258 B1WorldCom, Inc. · 2003
- Secure delivery of information in a network418US 6,178,505 B1Internet Dynamics, Inc. · 2001