Double-jointed coupling, bogie, rail vehicle, industrial application and computer program product
US-12480548-B2 · Nov 25, 2025 · US
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with hollow transmission shaft concentric with wheel axis
with hollow transmission shaft concentric with wheel axis · 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 | B61C9/44 |
| Official title | with hollow transmission shaft concentric with wheel axis |
| Display label | with hollow transmission shaft concentric with wheel axis |
| Total patents | 10 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2023 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Arrangement for a rail vehicle
US-11845474-B2 · Dec 19, 2023 · US
Double-jointed coupling, bogie, rail vehicle, industrial application and computer program product
US-2023220886-A1 · Jul 13, 2023 · US
Arrangement for a rail vehicle
US-2023211812-A1 · Jul 6, 2023 · US
Thread-reinforced joint device and coupling device for a vehicle drive
US-10648513-B2 · May 12, 2020 · US
Thread-reinforced joint device and coupling device for a vehicle drive
US-2019345985-A1 · Nov 14, 2019 · US
Thread-reinforced joint device and coupling device for a vehicle drive
US-10400828-B2 · Sep 3, 2019 · US
Electrical machine having a housing over a partial circumference
US-9866086-B2 · Jan 9, 2018 · US
Thread-reinforced joint device and coupling device for a vehicle drive
US-2017292572-A1 · Oct 12, 2017 · US
Electrical machine having a housing over a partial circumference
US-2016072354-A1 · Mar 10, 2016 · US