Software distribution in a wireless ad hoc network for ad-hoc data processing on a source node
US-2021281498-A1 · Sep 9, 2021 · US
involving hierarchical structures
involving hierarchical structures · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04L9/007 |
| Official title | {involving hierarchical structures} |
| Display label | involving hierarchical structures |
| Total patents | 128 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 8 |
| 2017 | 13 |
| 2018 | 10 |
| 2019 | 8 |
| 2020 | 12 |
| 2021 | 22 |
| 2022 | 10 |
| 2023 | 15 |
| 2024 | 7 |
| 2025 | 14 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for securing access rights to resources using cryptography and the blockchain
US-2021119764-A1 · Apr 22, 2021 · US
Secure provisioning and management of devices
US-2020394285-A1 · Dec 17, 2020 · US
Method and system for management of secure boot certificates
US-2020356672-A1 · Nov 12, 2020 · US
Secure provisioning and management of devices
US-10762178-B2 · Sep 1, 2020 · US
Vehicle Integration Platform (VIP) Security
US-2020244466-A1 · Jul 30, 2020 · US
Secure provisioning and management of devices
US-2020218791-A1 · Jul 9, 2020 · US
Synchronized issuance of public X.509 digital certificates
US-10609011-B2 · Mar 31, 2020 · US
Secure provisioning and management of devices
US-10599819-B2 · Mar 24, 2020 · US
Information processing apparatus, communication device, and information processing system
US-2020076620-A1 · Mar 5, 2020 · US
Systems and methods for automated certificate renewal management
US-2020059372-A1 · Feb 20, 2020 · US
Protection of software models
US-10554404-B2 · Feb 4, 2020 · US
Provisioning systems and methods
US-2020021447-A1 · Jan 16, 2020 · US
Method, hardware and digital certificate for authentication of connected devices
US-10530586-B2 · Jan 7, 2020 · US
Secure provisioning and management of devices
US-2019392120-A1 · Dec 26, 2019 · US
Secure provisioning and management of devices
US-10503881-B2 · Dec 10, 2019 · US
Secure deterministic tokens for encrypting electronic communications
US-2019355059-A1 · Nov 21, 2019 · US
Methods and devices for handling hash-tree based data signatures
US-10482078-B2 · Nov 19, 2019 · US
Cascading multivariate quadratic identification schemes for chain of trust
US-10484186-B2 · Nov 19, 2019 · US
Arrangement and method for operating the arrangement containing a substation and at least one terminal device connected to it
US-10469269-B2 · Nov 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04L9/007?
- CPC H04L9/007 is the Cooperative Patent Classification code for “involving hierarchical structures.”
- How many patents are filed under CPC H04L9/007 (involving hierarchical structures)?
- Our database includes 128 publications tagged with this CPC code.
- Is patent activity under CPC H04L9/007 growing?
- Publication counts under this code: 7 in 2024 vs 14 in 2025 (latest complete years).