Transfemoral prosthesis for walking, sitting- standing, stair climbing
US-12508136-B2 · Dec 30, 2025 · US
Joints for artificial legs (A61F2/605, A61F2/64, A61F2/6607 take precedence)
Joints for artificial legs (A61F2/605, A61F2/64, A61F2/6607 take precedence) · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A61F2/604 |
| Official title | {Joints for artificial legs (A61F2/605, A61F2/64, A61F2/6607 take precedence)} |
| Display label | Joints for artificial legs (A61F2/605, A61F2/64, A61F2/6607 take precedence) |
| Total patents | 62 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 8 |
| 2020 | 7 |
| 2021 | 7 |
| 2022 | 11 |
| 2023 | 9 |
| 2024 | 2 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Responsive Biomechanical Implants and Devices
US-2025268716-A1 · Aug 28, 2025 · US
Joint device
US-12279978-B2 · Apr 22, 2025 · US
Orthopaedic device and method for producing same
US-2025049589-A1 · Feb 13, 2025 · US
Hydraulic actuator and control valve
US-2025009528-A1 · Jan 9, 2025 · US
Frame module and motion assistance apparatus including the same
US-11974955-B2 · May 7, 2024 · US
Joint device
US-2024033106-A1 · Feb 1, 2024 · US
Joint device
US-11786382-B2 · Oct 17, 2023 · US
Method for controlling a prosthesis or orthesis
US-2023310182-A1 · Oct 5, 2023 · US
Method for controlling a prosthesis or orthosis
US-2023293320-A1 · Sep 21, 2023 · US
Method for controlling a prosthesis or orthesis
US-2023270570-A1 · Aug 31, 2023 · US
Orthopaedic joint device
US-2023270569-A1 · Aug 31, 2023 · US
Orthopedic device
US-11730611-B2 · Aug 22, 2023 · US
Prosthetic device for a lower extremity, adjusting device for a prosthetic device, and method for manual adjustment
US-2023225885-A2 · Jul 20, 2023 · US
Transfemoral prosthesis for walking, sitting-standing, stair climbing
US-2023225884-A1 · Jul 20, 2023 · US
Orthopedic joint device and method for controlling same
US-2023210674-A1 · Jul 6, 2023 · US
Orthopedic joint device and method for controlling same
US-11534317-B2 · Dec 27, 2022 · US
Joint for an orthopedic device
US-2022401233-A1 · Dec 22, 2022 · US
Wearable apparatus for assistance and operating method thereof
US-11510839-B2 · Nov 29, 2022 · US
Hydraulic actuator for orthotics or prosthetics and orthopaedic arrangement
US-2022370213-A1 · Nov 24, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A61F2/604?
- CPC A61F2/604 is the Cooperative Patent Classification code for “Joints for artificial legs (A61F2/605, A61F2/64, A61F2/6607 take precedence).”
- How many patents are filed under CPC A61F2/604 (Joints for artificial legs (A61F2/605, A61F2/64, A61F2/6607 take precedence))?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC A61F2/604 growing?
- Publication counts under this code: 2 in 2024 vs 7 in 2025 (latest complete years).