Cab roof structure, cab and rail train
US-11807281-B2 · Nov 7, 2023 · US
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the hoppers being movable (B61D9/00 takes precedence)
the hoppers being movable (B61D9/00 takes precedence) · 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 | B61D7/12 |
| Official title | the hoppers being movable (B61D9/00 takes precedence) |
| Display label | the hoppers being movable (B61D9/00 takes precedence) |
| Total patents | 4 |
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 |
| 2018 | 1 |
| 2021 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cab roof structure, cab and rail train
US-2021300443-A1 · Sep 30, 2021 · US
Cleaning vehicle for cleaning ballast of a track
US-10036127-B2 · Jul 31, 2018 · US
Cleaning vehicle for cleaning ballast of a track
US-2017191226-A1 · Jul 6, 2017 · US