Fan with adjustable blade structures
US-2025146506-A1 · May 8, 2025 · US
with adjusting means
with adjusting means · 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 | F04D29/287 |
| Official title | {with adjusting means} |
| Display label | with adjusting means |
| Total patents | 41 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 5 |
| 2018 | 9 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compressor control device, control method for compressor, and control program product for compressor
US-12078184-B2 · Sep 3, 2024 · US
Variable geometry shrouded compressor/blower rotor design
US-11971050-B2 · Apr 30, 2024 · US
Variable geometry shrouded compressor/blower rotor design
US-2023417256-A1 · Dec 28, 2023 · US
Compressor control device, control method for compressor, and control program product for compressor
US-2023400034-A1 · Dec 14, 2023 · US
Fan module
US-11578728-B2 · Feb 14, 2023 · US
Fan having first body and second body slidable relative to each other
US-11480190-B2 · Oct 25, 2022 · US
Turbo compressor
US-11460041-B2 · Oct 4, 2022 · US
Continuous variable trim compressor
US-11326618-B2 · May 10, 2022 · US
Impeller, impeller blade wheel, air-blowing device, and method of manufacturing air-blowing device
US-11149749-B2 · Oct 19, 2021 · US
Continuous variable trim compressor
US-2021310499-A1 · Oct 7, 2021 · US
Apparatus for generating a vortex for a vacuum cleaner
US-11109728-B2 · Sep 7, 2021 · US
Adjustment mechanism for an inlet flow section of a compressor wheel of a turbocharger
US-10947893-B2 · Mar 16, 2021 · US
Turbo compressor
US-2020400160-A1 · Dec 24, 2020 · US
Fan module
US-2020355199-A1 · Nov 12, 2020 · US
Fan module
US-2020309138-A1 · Oct 1, 2020 · US
Adjustment mechanism for an inlet flow section of a compressor wheel of a turbocharger
US-2020141310-A1 · May 7, 2020 · US
Centrifugal compressor
US-10634156-B2 · Apr 28, 2020 · US
Centrifugal compressor for a turbocharger, having synergistic ported shroud and inlet-adjustment mechanism
US-10570905-B2 · Feb 25, 2020 · US
Aircraft with tilting cross-flow fan wings
US-10421541-B2 · Sep 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D29/287?
- CPC F04D29/287 is the Cooperative Patent Classification code for “with adjusting means.”
- How many patents are filed under CPC F04D29/287 (with adjusting means)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC F04D29/287 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).