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by damming or interrupting the passage of underground water

by damming or interrupting the passage of underground water · Cooperative Patent Classification (CPC)

Building, mining, and civil engineering structures.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	E02D19/12
Official title	by damming or interrupting the passage of underground water
Display label	by damming or interrupting the passage of underground water
Total patents	5

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

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

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