Wireless power transmission device and power transmission system to aerial moving body
US-2020355734-A1 · Nov 12, 2020 · US
using radiated signals
using radiated signals · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B64C13/20 |
| Official title | using radiated signals |
| Display label | using radiated signals |
| Total patents | 203 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 9 |
| 2018 | 10 |
| 2019 | 23 |
| 2020 | 22 |
| 2021 | 25 |
| 2022 | 36 |
| 2023 | 26 |
| 2024 | 26 |
| 2025 | 16 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Unmanned aerial vehicle control system, unmanned aerial vehicle control method, and program
US-2020310414-A1 · Oct 1, 2020 · US
Radio wave measurement system
US-10782333-B2 · Sep 22, 2020 · US
Information processing apparatus and flight control system
US-2020278673-A1 · Sep 3, 2020 · US
Multimode unmanned aerial vehicle
US-2020256644-A1 · Aug 13, 2020 · US
Aircraft control apparatus, control system and control method
US-10717525-B2 · Jul 21, 2020 · US
Systems and devices for remotely operated unmanned aerial vehicle report-suppressing launcher with portable RF transparent launch tube
US-10703506-B2 · Jul 7, 2020 · US
Radio wave measurement system
US-2020177029-A1 · Jun 4, 2020 · US
Radio wave measurement system
US-2020174052-A1 · Jun 4, 2020 · US
Unmanned aerial vehicle and mobile electronic device
US-2020142399-A1 · May 7, 2020 · US
Inter-haps communication and high-capacity haps for constructing three-dimensionalized network of fifth-generation communication
US-2020119805-A1 · Apr 16, 2020 · US
Method of detecting abnormality in unmanned aircraft control system and abnormality detector
US-10551475-B2 · Feb 4, 2020 · US
Attitude control device, flying object, attitude control method, and program
US-2019391598-A1 · Dec 26, 2019 · US
Control System for Touchless Operation of Mechanical Input Devices
US-2019389563-A1 · Dec 26, 2019 · US
Method and apparatus for reducing aircraft wing bending moment
US-2019375493-A1 · Dec 12, 2019 · US
Multimode unmanned aerial vehicle
US-10494093-B1 · Dec 3, 2019 · US
Light irradiation device and light irradiation system
US-10455829-B2 · Oct 29, 2019 · US
Systems and devices for remotely operated unmanned aerial vehicle report-suppressing launcher with portable RF transparent launch tube
US-10450089-B2 · Oct 22, 2019 · US
Circuit, base station, method, and recording medium
US-2019300185-A1 · Oct 3, 2019 · US
Light irradiation device and light irradiation system
US-2019261618-A1 · Aug 29, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C13/20?
- CPC B64C13/20 is the Cooperative Patent Classification code for “using radiated signals.”
- How many patents are filed under CPC B64C13/20 (using radiated signals)?
- Our database includes 203 publications tagged with this CPC code.
- Is patent activity under CPC B64C13/20 growing?
- Publication counts under this code: 26 in 2024 vs 16 in 2025 (latest complete years).