Site management system, in-flight detection method, and non-transitory computer readable medium storing program of site management system
US-9849977-B2 · Dec 26, 2017 · US
Charging when not in flight
Charging when not in flight · 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 | B64U50/37 |
| Official title | Charging when not in flight |
| Display label | Charging when not in flight |
| Total patents | 572 |
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 | 19 |
| 2017 | 39 |
| 2018 | 50 |
| 2019 | 50 |
| 2020 | 51 |
| 2021 | 67 |
| 2022 | 62 |
| 2023 | 84 |
| 2024 | 78 |
| 2025 | 45 |
| 2026 | 24 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Unmanned Aerial Vehicle Charging Station Management
US-2017344000-A1 · Nov 30, 2017 · US
Drone cleaning device
US-2017340176-A1 · Nov 30, 2017 · US
Item delivery with an unmanned aerial vehicle and unmanned aerial vehicle retrieval system
US-9828092-B1 · Nov 28, 2017 · US
Uav-based sensing for worksite operations
US-2017315555-A1 · Nov 2, 2017 · US
Systems and methods for providing uav-based digital escort drones in visitor management and integrated access control systems
US-2017287242-A1 · Oct 5, 2017 · US
Drone control registration
US-2017285633-A1 · Oct 5, 2017 · US
Information processing apparatus, information processing method, and program
US-2017276833-A1 · Sep 28, 2017 · US
Aerial vehicle adaptable propeller blades
US-2017274978-A1 · Sep 28, 2017 · US
Six degree of freedom aerial vehicle with offset propulsion mechanisms
US-2017253332-A1 · Sep 7, 2017 · US
UAV-based sensing for worksite operations
US-9740208-B2 · Aug 22, 2017 · US
Ambulatory route management based on a personal drone
US-9734725-B2 · Aug 15, 2017 · US
Structures for charging a multicopter
US-2017225574-A1 · Aug 10, 2017 · US
Landing platform for an unmanned aerial vehicle
US-2017217323-A1 · Aug 3, 2017 · US
Vehicle surroundings monitoring apparatus, monitoring system, remote monitoring apparatus, and monitoring method
US-2017220041-A1 · Aug 3, 2017 · US
Light adjustment control for cameras of an aerial vehicle
US-2017210486-A1 · Jul 27, 2017 · US
Drone control device
US-2017205827-A1 · Jul 20, 2017 · US
Apparatus and method of charging and housing of unmanned vertical take-off and landing (VTOL) aircraft
US-9701425-B2 · Jul 11, 2017 · US
Pre-flight self test for unmanned aerial vehicles (uavs)
US-2017190423-A1 · Jul 6, 2017 · US
Power and communication interface for vertical take-off and landing (vtol) unmanned aerial vehicles (uavs)
US-2017190443-A1 · Jul 6, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64U50/37?
- CPC B64U50/37 is the Cooperative Patent Classification code for “Charging when not in flight.”
- How many patents are filed under CPC B64U50/37 (Charging when not in flight)?
- Our database includes 572 publications tagged with this CPC code.
- Is patent activity under CPC B64U50/37 growing?
- Publication counts under this code: 78 in 2024 vs 45 in 2025 (latest complete years).