System and method for estimating track curvature for active steering control of railcars
US-2025162626-A1 · May 22, 2025 · US
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Adjustment controlled by non-mechanical devices, e.g. scanning trackside elements
Adjustment controlled by non-mechanical devices, e.g. scanning trackside elements · 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 | B61F5/383 |
| Official title | {Adjustment controlled by non-mechanical devices, e.g. scanning trackside elements} |
| Display label | Adjustment controlled by non-mechanical devices, e.g. scanning trackside elements |
| Total patents | 10 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and systems for dynamic weight management
US-11713063-B2 · Aug 1, 2023 · US
Wheel assembly for a vehicle guided on a railway track
US-11623667-B2 · Apr 11, 2023 · US
Methods and systems for dynamic weight management
US-2022324492-A1 · Oct 13, 2022 · US
Railroad car truck with warp restraints
US-11027755-B2 · Jun 8, 2021 · US
Wheel assembly for a vehicle guided on a railway track
US-2019283785-A1 · Sep 19, 2019 · US
Railroad car truck with warp restraints
US-2019168786-A1 · Jun 6, 2019 · US
Electric vehicle drive apparatus, method of driving an electric vehicle, and program
US-9616770-B2 · Apr 11, 2017 · US
Electric vehicle drive apparatus, method of driving an electric vehicle, and program
US-2016207421-A1 · Jul 21, 2016 · US
Apparatus for estimating lateral forces of railroad vehicles
US-2015210300-A1 · Jul 30, 2015 · US