H04L 9/006
Involving public key infrastructure [pki] trust models
Official title: {involving public key infrastructure [PKI] trust models (network architecture or network communication protocol for supporting authentication of entities using certificates in a packet data network H04L63/0823)}
H04L9/006 (Involving public key infrastructure [pki] trust models) appears on 1,296 US grants and 1,481 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,296
- Published applications
- 1,481
- Assignees
- 560
- Inventors
- 2,405
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 2 |
| 2002 | 3 | 20 |
| 2003 | 2 | 23 |
| 2004 | 3 | 10 |
| 2005 | 8 | 16 |
| 2006 | 16 | 31 |
| 2007 | 7 | 15 |
| 2008 | 10 | 37 |
| 2009 | 11 | 21 |
| 2010 | 13 | 24 |
| 2011 | 19 | 29 |
| 2012 | 21 | 27 |
| 2013 | 32 | 35 |
| 2014 | 45 | 38 |
| 2015 | 39 | 41 |
| 2016 | 50 | 72 |
| 2017 | 64 | 126 |
| 2018 | 72 | 113 |
| 2019 | 112 | 161 |
| 2020 | 138 | 156 |
| 2021 | 156 | 142 |
| 2022 | 143 | 97 |
| 2023 | 108 | 87 |
| 2024 | 95 | 53 |
| 2025 | 81 | 71 |
| 2026 | 37 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for securing access rights to resources using cryptography and the blockchain29 Sep 2026US 12,750,203 B2Live Nation Entertainment, Inc.
- Program version enforcement using a certificate15 Sep 2026US 12,737,466 B2Hewlett Packard Enterprise Development LP
- Temporary enablement of functionality of a secure device8 Sep 2026US 12,732,379 B2Schneider Electric USA, Inc.
- AI/ML, distributed computing, and blockchained based reservoir management platform1 Sep 2026US 12,724,164 B2Landmark Graphics Corporation
- Real-time robust tampering detection of products using piezoelectric containers25 Aug 2026US 12,719,695 B2Vanderbilt University
- Device, Vehicle and Methods for Providing a Restricted Digital Key17 Sep 2026US 2026/0279119 A1Bayerische Motoren Werke Aktiengesellschaft
- Method and apparatus for provisioning node-locking confidential data27 Aug 2026US 2026/0254609 A1ARRIS Enterprises LLC
- Onboarding and enrollment of internet of things devices via federated wireless networks and openroaming framework13 Aug 2026US 2026/0238644 A1Intel Corporation
- Real-Time Agile Machine Cryptography Based on Reversible N-state Inverters30 Jul 2026US 2026/0222219 A1
- First Node, Second Node, Third Node, Fourth Node and Methods Performed Thereby for Handling Registration of the Second Node23 Jul 2026US 2026/0213917 A1
Most cited
By later US patents
- Systems and methods for secure transaction management and electronic rights protection1,270US 5,982,891 AIntertrust Technologies Corporation · 1999
- Systems and methods for secure transaction management and electronic rights protection1,156US 5,910,987 AIntertrust Technologies Corporation · 1999
- Trusted and secure techniques, systems and methods for item delivery and execution944US 6,185,683 B2Intertrust Technologies Corporation · 2001
- Systems and methods for the secure transaction management and electronic rights protection933US 6,253,193 B1Intertrust Technologies Corporation · 2001
- Systems and methods for secure transaction management and electronic rights protection868US 6,363,488 B1Intertrust Technologies Corporation · 2002