Delayed emergency release unit
US-11313156-B2 · Apr 26, 2022 · US
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The doors being wall panels enabling complete opening of the wagon sides, e.g. for quick loading or unloading
The doors being wall panels enabling complete opening of the wagon sides, e.g. for quick loading or unloading · 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 | B61D19/007 |
| Official title | {The doors being wall panels enabling complete opening of the wagon sides, e.g. for quick loading or unloading} |
| Display label | The doors being wall panels enabling complete opening of the wagon sides, e.g. for quick loading or unloading |
| Total patents | 7 |
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 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Double-decker rail vehicle
US-11180167-B2 · Nov 23, 2021 · US
Discharge flow multiplication of fire suppression agent
US-2021196997-A1 · Jul 1, 2021 · US
Multimodal Platform for Railcar
US-2020062281-A1 · Feb 27, 2020 · US
Double-decker rail vehicle
US-2019217874-A1 · Jul 18, 2019 · US
Delayed Emergency Release Unit
US-2018283057-A1 · Oct 4, 2018 · US
Door opening and closing apparatus
US-9340215-B2 · May 17, 2016 · US