Rail vehicle having increased side-wind stability
US-2026021834-A1 · Jan 22, 2026 · US
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specially modified for reducing air resistance
specially modified for reducing air resistance · 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 | B61F3/14 |
| Official title | specially modified for reducing air resistance |
| Display label | specially modified for reducing air resistance |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2023 | 3 |
| 2024 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Trim assembly for a vehicle
US-11970219-B2 · Apr 30, 2024 · US
Bogie of a rail vehicle
US-11845477-B2 · Dec 19, 2023 · US
Rail vehicle comprising a bogie cladding
US-11834079-B2 · Dec 5, 2023 · US
Extension logic for hyperloop/maglev vehicle
US-11541918-B2 · Jan 3, 2023 · US
Extension logic for hyperloop/maglev vehicle
US-2021300445-A1 · Sep 30, 2021 · US
Trim Assembly for a Vehicle
US-2021024145-A1 · Jan 28, 2021 · US
Bogie of a rail vehicle
US-2020398871-A1 · Dec 24, 2020 · US
Rail Vehicle Comprising a Bogie Cladding
US-2020391769-A1 · Dec 17, 2020 · US
Fairing for an articulated railway vehicle bogie and articulated railway vehicle comprising a bogie provided with such a fairing
US-10494000-B2 · Dec 3, 2019 · US
Fairing for an articulated railway vehicle bogie and articulated railway vehicle comprising a bogie provided with such a fairing
US-2017274912-A1 · Sep 28, 2017 · US