Cooling an unmanned aerial vehicle
US-2018362179-A1 · Dec 20, 2018 · US
Rotor guards (ducted or shrouded rotors B64U30/26; guards used as ground propulsion B64U60/60)
Rotor guards (ducted or shrouded rotors B64U30/26; guards used as ground propulsion B64U60/60) · 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 | B64U30/299 |
| Official title | Rotor guards (ducted or shrouded rotors B64U30/26; guards used as ground propulsion B64U60/60) |
| Display label | Rotor guards (ducted or shrouded rotors B64U30/26; guards used as ground propulsion B64U60/60) |
| Total patents | 250 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 22 |
| 2017 | 27 |
| 2018 | 29 |
| 2019 | 33 |
| 2020 | 33 |
| 2021 | 12 |
| 2022 | 20 |
| 2023 | 23 |
| 2024 | 19 |
| 2025 | 22 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Delivery vehicle including an unmanned aerial vehicle loading robot
US-2018155029-A1 · Jun 7, 2018 · US
Unmanned aerial vehicle protective frame configuration
US-9889930-B2 · Feb 13, 2018 · US
Providing services using unmanned aerial vehicles
US-9849979-B2 · Dec 26, 2017 · US
Perimeter structure for unmanned aerial vehicle
US-2017341776-A1 · Nov 30, 2017 · US
Multi-part navigation process by an unmanned aerial vehicle for navigation
US-9823654-B2 · Nov 21, 2017 · US
System and method for management of airspace for unmanned aircraft
US-2017323572-A1 · Nov 9, 2017 · US
Methods for landing an unmanned aerial vehicle
US-2017316701-A1 · Nov 2, 2017 · US
Methods for delivering a parcel to a restricted access area
US-2017316699-A1 · Nov 2, 2017 · US
Unmanned aerial vehicle including a removable power source
US-2017316375-A1 · Nov 2, 2017 · US
Unmanned aerial vehicle pick-up and delivery systems
US-2017313422-A1 · Nov 2, 2017 · US
Unmanned aerial vehicle including a removable parcel carrier
US-2017313421-A1 · Nov 2, 2017 · US
Methods for dispatching unmanned aerial delivery vehicles
US-2017316376-A1 · Nov 2, 2017 · US
Flying machine, method for using flying machine, and flying machine frame
US-2017297681-A1 · Oct 19, 2017 · US
Printing device and printing method
US-2017291439-A1 · Oct 12, 2017 · US
Foldable aircraft with protective cage for transportation and transportability
US-2017291697-A1 · Oct 12, 2017 · US
Transportation network utilizing autonomous vehicles for transporting items
US-9786187-B1 · Oct 10, 2017 · US
Flying machine and flying machine usage method
US-2017274995-A1 · Sep 28, 2017 · US
System and method for management of airspace for unmanned aircraft
US-9754496-B2 · Sep 5, 2017 · US
Invertible aircraft
US-2017240289-A1 · Aug 24, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64U30/299?
- CPC B64U30/299 is the Cooperative Patent Classification code for “Rotor guards (ducted or shrouded rotors B64U30/26; guards used as ground propulsion B64U60/60).”
- How many patents are filed under CPC B64U30/299 (Rotor guards (ducted or shrouded rotors B64U30/26; guards used as ground propulsion B64U60/60))?
- Our database includes 250 publications tagged with this CPC code.
- Is patent activity under CPC B64U30/299 growing?
- Publication counts under this code: 19 in 2024 vs 22 in 2025 (latest complete years).