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Railway control or brake valves with evacuation of air to a reservoir, to the atmosphere or to the brake cylinder

Railway control or brake valves with evacuation of air to a reservoir, to the atmosphere or to the brake cylinder · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB60T15/302
Official title{Railway control or brake valves with evacuation of air to a reservoir, to the atmosphere or to the brake cylinder}
Display labelRailway control or brake valves with evacuation of air to a reservoir, to the atmosphere or to the brake cylinder
Total patents20

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20151
20165
20172
20182
20194
20201
20213
20231
20241

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.