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against upward hydraulic pressure

against upward hydraulic pressure · Cooperative Patent Classification (CPC)

Building, mining, and civil engineering structures.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeE02D31/12
Official titleagainst upward hydraulic pressure
Display labelagainst upward hydraulic pressure
Total patents5

Filing trend

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

Filing activity appears stable based on the most recent years.

Patents filed per year
YearPatents
20211
20221
20241
20251
20261

Representative patents

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