Wireless charging system of unmanned aerial vehicle and unmanned aerial vehicle
US-2018166916-A1 · Jun 14, 2018 · US
In-flight charging (photovoltaics B64U50/31)
In-flight charging (photovoltaics B64U50/31) · 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 | B64U50/34 |
| Official title | In-flight charging (photovoltaics B64U50/31) |
| Display label | In-flight charging (photovoltaics B64U50/31) |
| Total patents | 545 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 19 |
| 2017 | 30 |
| 2018 | 52 |
| 2019 | 67 |
| 2020 | 76 |
| 2021 | 63 |
| 2022 | 52 |
| 2023 | 68 |
| 2024 | 67 |
| 2025 | 36 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Integrated Tether and Mooring with Floating Platform for Energy Kite
US-2018149137-A1 · May 31, 2018 · US
In-situ power charging
US-9845153-B2 · Dec 19, 2017 · US
Vertical Takeoff and Landing (VTOL) Air Vehicle
US-2017355455-A1 · Dec 14, 2017 · US
Vertical takeoff and landing (VTOL) air vehicle
US-9834305-B2 · Dec 5, 2017 · US
Helicopter
US-2017305548-A1 · Oct 26, 2017 · US
Method for controlling solar panels in a solar propelled aircraft
US-9796478-B2 · Oct 24, 2017 · US
Customized Packaging for Unmanned Autonomous Vehicle Item Delivery
US-2017300855-A1 · Oct 19, 2017 · US
Unmanned aerial vehicle low-power operation
US-9778660-B2 · Oct 3, 2017 · US
Flying machine and flying machine usage method
US-2017274995-A1 · Sep 28, 2017 · US
On-board redundant power system for unmanned aerial vehicles
US-9771162-B1 · Sep 26, 2017 · US
Distributed, unmanned aerial vehicle package transport network
US-9760087-B2 · Sep 12, 2017 · US
Secure remote operation and actuation of unmanned aerial vehicles
US-9760072-B2 · Sep 12, 2017 · US
Propulsion system
US-2017240274-A1 · Aug 24, 2017 · US
Flight path calculating and searching method of a unmanned aerial vehicle with regenerative fuel cells and solar cells for high altitude long endurance, and a searching apparatus thereof
US-2017236427-A1 · Aug 17, 2017 · US
Light adjustment control for cameras of an aerial vehicle
US-2017210486-A1 · Jul 27, 2017 · US
Case and snap-fitting assembly thereof
US-2017197765-A1 · Jul 13, 2017 · US
Virtualized site survey systems and methods for cell sites
US-9704292-B2 · Jul 11, 2017 · US
Redundant Aircraft Propulsion System Using Co-rotating Propellers Joined By Tip Connectors
US-2017174323-A1 · Jun 22, 2017 · US
Detachable power transfer device for a rotary-wing aircraft
US-2017158354-A1 · Jun 8, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64U50/34?
- CPC B64U50/34 is the Cooperative Patent Classification code for “In-flight charging (photovoltaics B64U50/31).”
- How many patents are filed under CPC B64U50/34 (In-flight charging (photovoltaics B64U50/31))?
- Our database includes 545 publications tagged with this CPC code.
- Is patent activity under CPC B64U50/34 growing?
- Publication counts under this code: 67 in 2024 vs 36 in 2025 (latest complete years).