Railroad car and end door assembly therefor
US-12139178-B2 · Nov 12, 2024 · US
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Wagon or like covers; Tarpaulins; Movable or foldable roofs
Wagon or like covers; Tarpaulins; Movable or foldable roofs · 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 | B61D39/00 |
| Official title | Wagon or like covers; Tarpaulins; Movable or foldable roofs |
| Display label | Wagon or like covers; Tarpaulins; Movable or foldable roofs |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 2 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air management system for cargo space of a vehicle
US-2021323373-A1 · Oct 21, 2021 · US
High speed train power unit
US-10933892-B2 · Mar 2, 2021 · US
Railroad car and end door assembly therefor
US-2020377130-A1 · Dec 3, 2020 · US
Railroad car and end door assembly therefor
US-10766505-B2 · Sep 8, 2020 · US
Railway car hatch cover latch
US-10661815-B2 · May 26, 2020 · US
Railway car hatch cover latch
US-2019161096-A1 · May 30, 2019 · US
Air management system for cargo space of a vehicle
US-2019143782-A1 · May 16, 2019 · US
Railway car hatch cover hydrophobic coating on vents
US-2019112867-A1 · Apr 18, 2019 · US
High Speed Train Power Unit
US-2018251138-A1 · Sep 6, 2018 · US
Railroad car and end door assembly therefor
US-2018194373-A1 · Jul 12, 2018 · US
Transport container, vehicle, traction group, method for loading a transport container, and method for transporting bulk material
US-9580084-B2 · Feb 28, 2017 · US
Transport container, vehicle, traction group, method for loading a transport container, and method for transporting bulk material
US-2015086324-A1 · Mar 26, 2015 · US