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transferring articles to and from moving trains, e.g. mailbag catchers

transferring articles to and from moving trains, e.g. mailbag catchers · Cooperative Patent Classification (CPC)

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

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	B61K1/02
Official title	transferring articles to and from moving trains, e.g. mailbag catchers
Display label	transferring articles to and from moving trains, e.g. mailbag catchers
Total patents	4

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

Filing activity appears to be growing based on the most recent years.

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