Rotor for an aircraft capable of hovering
US-12434824-B2 · Oct 7, 2025 · US
with an intermediate member made of fibre-reinforced resin (made of rubber-like material F16D3/74; shafts made of fibre-reinforced resin F16C3/026)
with an intermediate member made of fibre-reinforced resin (made of rubber-like material F16D3/74; shafts made of fibre-reinforced resin F16C3/026) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16D3/725 |
| Official title | {with an intermediate member made of fibre-reinforced resin (made of rubber-like material F16D3/74; shafts made of fibre-reinforced resin F16C3/026)} |
| Display label | with an intermediate member made of fibre-reinforced resin (made of rubber-like material F16D3/74; shafts made of fibre-reinforced resin F16C3/026) |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flexible thermoplastic driveshaft
US-12220881-B2 · Feb 11, 2025 · US
Composite drive shafts
US-12152633-B2 · Nov 26, 2024 · US
Compliant joint drive assembly
US-12092170-B2 · Sep 17, 2024 · US
Rotor for an aircraft capable of hovering
US-2023234701-A1 · Jul 27, 2023 · US
Composite flexible coupling
US-2023228299-A1 · Jul 20, 2023 · US
Composite flexible coupling
US-11635110-B2 · Apr 25, 2023 · US
Compliant joint drive assembly
US-2022412409-A1 · Dec 29, 2022 · US
Composite drive shafts
US-2022356900-A1 · Nov 10, 2022 · US
Methods of making components
US-11407165-B2 · Aug 9, 2022 · US
Composite drive shafts
US-11396904-B2 · Jul 26, 2022 · US
Flexible thermoplastic composite coupling and method of manufacture
US-2022143933-A1 · May 12, 2022 · US
Flexible thermoplastic composite coupling and method of manufacture
US-11260605-B2 · Mar 1, 2022 · US
Flexible thermoplastic composite coupling and method of manufacture
US-2021221072-A1 · Jul 22, 2021 · US
Injection molded shaft
US-11035439-B2 · Jun 15, 2021 · US
Injection molded shaft
US-11022199-B2 · Jun 1, 2021 · US
Methods of making components
US-2020223124-A1 · Jul 16, 2020 · US
Composite drive shafts
US-2020132109-A1 · Apr 30, 2020 · US
Injection molded shaft
US-2019178345-A1 · Jun 13, 2019 · US
Injection molded shaft
US-2019178346-A1 · Jun 13, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D3/725?
- CPC F16D3/725 is the Cooperative Patent Classification code for “with an intermediate member made of fibre-reinforced resin (made of rubber-like material F16D3/74; shafts made of fibre-reinforced resin F16C3/026).”
- How many patents are filed under CPC F16D3/725 (with an intermediate member made of fibre-reinforced resin (made of rubber-like material F16D3/74; shafts made of fibre-reinforced resin F16C3/026))?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC F16D3/725 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).