Transmission for the powertrain of a rail vehicle
US-10428903-B2 · Oct 1, 2019 · US
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with change-speed gearing
with change-speed gearing · 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 | B61C9/12 |
| Official title | with change-speed gearing |
| Display label | with change-speed gearing |
| Total patents | 2 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2019 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Transmission for the powertrain of a rail vehicle
US-2017159754-A1 · Jun 8, 2017 · US