Air conditioning system of double-decker vehicle, and double-decker vehicle
US-2025100341-A1 · Mar 27, 2025 · US
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with more than one deck
with more than one deck · 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 | B62D31/04 |
| Official title | with more than one deck |
| Display label | with more than one deck |
| Total patents | 5 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2022 | 2 |
| 2023 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
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Frame structure provided with independent suspension for commercial vehicle
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