Seal
US-11346446-B2 · May 31, 2022 · US
Operations & Transport
Operations & Transport · 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 | B64C3/44 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 103 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 8 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 4 |
| 2020 | 12 |
| 2021 | 13 |
| 2022 | 11 |
| 2023 | 11 |
| 2024 | 11 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aircraft wing tips
US-11225315-B2 · Jan 18, 2022 · US
Device and method for movably fastening a vehicle system to a primary structure of a vehicle
US-11111004-B2 · Sep 7, 2021 · US
Elevon control system
US-2021261235-A1 · Aug 26, 2021 · US
Elevon control system
US-2021261234-A1 · Aug 26, 2021 · US
Shock wave suppression device and aircraft
US-2021253226-A1 · Aug 19, 2021 · US
Adaptive airfoils
US-2021245862-A1 · Aug 12, 2021 · US
Morphing airfoil system
US-2021237848-A1 · Aug 5, 2021 · US
Air vehicle and method and apparatus for control thereof
US-11059562-B2 · Jul 13, 2021 · US
Variable wing leading edge camber
US-2021197952-A1 · Jul 1, 2021 · US
Elevon control system
US-11040766-B2 · Jun 22, 2021 · US
Morphing airfoil system
US-11021228-B2 · Jun 1, 2021 · US
Elevon control system
US-10960968-B2 · Mar 30, 2021 · US
Air vehicle system having deployable airfoils and rudder
US-10953976-B2 · Mar 23, 2021 · US
Winglet equipped with a configuration changing device with low energy consumption, aircraft comprising said winglet
US-10894596-B2 · Jan 19, 2021 · US
Method, system and apparatus for detecting injector closing time
US-10871120-B2 · Dec 22, 2020 · US
Elevon control system
US-2020307763-A1 · Oct 1, 2020 · US
Elastic Shape Morphing of Ultra-light Structures by Programmable Assembly
US-2020283121-A1 · Sep 10, 2020 · US
Morphing airfoil system
US-2020255117-A1 · Aug 13, 2020 · US
System and method for controlling aircraft flight control surfaces
US-2020255124-A1 · Aug 13, 2020 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C3/44?
- CPC B64C3/44 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B64C3/44 (Operations & Transport)?
- Our database includes 103 publications tagged with this CPC code.
- Is patent activity under CPC B64C3/44 growing?
- Publication counts under this code: 11 in 2024 vs 10 in 2025 (latest complete years).