System and method for distributed airflow sensing
US-10520524-B1 · Dec 31, 2019 · US
Composite materials
Composite materials · 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 | B64U20/65 |
| Official title | Composite materials |
| Display label | Composite materials |
| Total patents | 172 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 12 |
| 2017 | 10 |
| 2018 | 14 |
| 2019 | 27 |
| 2020 | 20 |
| 2021 | 18 |
| 2022 | 18 |
| 2023 | 10 |
| 2024 | 16 |
| 2025 | 8 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluidic propulsive system
US-10501197-B2 · Dec 10, 2019 · US
Energy absorbing composite panels
US-2019300195-A1 · Oct 3, 2019 · US
Aircraft rear fuselage section and manufacturing method thereof
US-2019185131-A1 · Jun 20, 2019 · US
System, method, and apparatus for battery cell-stack compression
US-2019165408-A1 · May 30, 2019 · US
Aerial system including foldable frame architecture
US-2019106209-A1 · Apr 11, 2019 · US
Ejector and airfoil configurations
US-2019047712-A1 · Feb 14, 2019 · US
Systems and methods for making composite structures
US-10195779-B2 · Feb 5, 2019 · US
System and method for providing easy-to-use release and auto-positioning for drone applications
US-10168704-B2 · Jan 1, 2019 · US
Autonomous Aircraft Health Systems and Methods
US-2018362190-A1 · Dec 20, 2018 · US
System and method for providing easy-to-use release and auto-positioning for drone applications
US-2018348764-A1 · Dec 6, 2018 · US
Rotor Assembly having Collective Pitch Control
US-2018339769-A1 · Nov 29, 2018 · US
Ejector and airfoil configurations
US-2018312268-A1 · Nov 1, 2018 · US
Ultralight aircraft
US-10093427-B2 · Oct 9, 2018 · US
Light adjustment control for cameras of an aerial vehicle
US-10086956-B2 · Oct 2, 2018 · US
Electricity generation in automated aerial vehicles
US-10065745-B1 · Sep 4, 2018 · US
Welding thermoplastic structures
US-10059054-B2 · Aug 28, 2018 · US
Systems and methods for simulating ground effect
US-10053208-B1 · Aug 21, 2018 · US
System and method for omni-directional obstacle avoidance in aerial systems
US-2018208311-A1 · Jul 26, 2018 · US
Composite structural member
US-9987823-B2 · Jun 5, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64U20/65?
- CPC B64U20/65 is the Cooperative Patent Classification code for “Composite materials.”
- How many patents are filed under CPC B64U20/65 (Composite materials)?
- Our database includes 172 publications tagged with this CPC code.
- Is patent activity under CPC B64U20/65 growing?
- Publication counts under this code: 16 in 2024 vs 8 in 2025 (latest complete years).