Sensing method, system and assembly for railway assets
US-12371077-B2 · Jul 29, 2025 · US
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Opening or closing means
Opening or closing means · 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 | B61D7/24 |
| Official title | Opening or closing means |
| Display label | Opening or closing means |
| Total patents | 6 |
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 |
| 2019 | 1 |
| 2020 | 1 |
| 2022 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sensing method, system and assembly for railway assets
US-2022041194-A1 · Feb 10, 2022 · US
Remotely operated railcar hatches
US-10858016-B2 · Dec 8, 2020 · US
Remotely operated railcar hatches
US-2019126946-A1 · May 2, 2019 · US
Hopper car discharge structure
US-9834230-B2 · Dec 5, 2017 · US
Hopper car discharge structure
US-2016347331-A1 · Dec 1, 2016 · US