H04L 63/029
Firewall traversal
Official title: {Firewall traversal, e.g. tunnelling or, creating pinholes}
H04L63/029 (Firewall traversal) appears on 2,603 US grants and 3,027 published applications in this corpus.
Search patents in H04L- Granted patents
- 2,603
- Published applications
- 3,027
- Assignees
- 838
- Inventors
- 4,794
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 3 |
| 2002 | 10 | 84 |
| 2003 | 13 | 79 |
| 2004 | 12 | 54 |
| 2005 | 25 | 84 |
| 2006 | 45 | 88 |
| 2007 | 36 | 89 |
| 2008 | 51 | 73 |
| 2009 | 57 | 72 |
| 2010 | 70 | 89 |
| 2011 | 85 | 67 |
| 2012 | 83 | 67 |
| 2013 | 85 | 71 |
| 2014 | 122 | 93 |
| 2015 | 116 | 112 |
| 2016 | 122 | 153 |
| 2017 | 114 | 169 |
| 2018 | 120 | 125 |
| 2019 | 140 | 190 |
| 2020 | 170 | 192 |
| 2021 | 173 | 189 |
| 2022 | 188 | 214 |
| 2023 | 199 | 188 |
| 2024 | 237 | 196 |
| 2025 | 180 | 162 |
| 2026 | 126 | 124 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Triggering provisioning of cloud-based security through firewall6 Oct 2026US 12,756,693 B2SonicWALL, Inc.
- Test controller securely controlling a test platform to run test applications29 Sep 2026US 12,748,672 B2Spirent Communications, Inc.
- Default-deny network egress architecture in a virtual private cloud29 Sep 2026US 12,750,343 B2CrowdStrike, Inc.
- Zero trust network access connector for customer premises29 Sep 2026US 12,750,346 B2Sophos Limited
- Hybrid authentication systems and methods29 Sep 2026US 12,750,365 B2Open Text Corporation
- Secure data routing and randomization8 Oct 2026US 2026/0312937 A1Scatr Corp
- Hierarchical-Context Area Network as a Virtual Private Network Infrastructure System8 Oct 2026US 2026/0312938 A1Netflow, UAB
- Subscriber authentication in a non-public network8 Oct 2026US 2026/0312939 A1Verizon Patent and Licensing Inc.
- Dynamic Event and User Validation Using Reflectance Transformation Imaging8 Oct 2026US 2026/0312940 A1Bank of America Corporation
- Service-based traffic split on secure tunnel1 Oct 2026US 2026/0303576 A1Fortinet, Inc.
Most cited
By later US patents
- Local authentication of a client at a network device553US 6,463,474 B1Cisco Technology, Inc. · 2002
- Methods and systems for enabling a tunnel between two computers on a network425US 6,631,416 B2Openreach Inc. · 2003
- Generating risk profile using data of home monitoring and security system419US 9,609,003 B1iControl Networks, Inc. · 2017
- Proxy server selecting server and proxy server409US 6,513,061 B1Hitachi, Ltd. · 2003
- Secure web tunnel378US 5,805,803 ADigital Equipment Corporation · 1998