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Measures for using chemical processes for influencing the surface composition of castings, e.g. for increasing resistance to acid attack

Measures for using chemical processes for influencing the surface composition of castings, e.g. for increasing resistance to acid attack · 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 codeB22D27/18
Official titleMeasures for using chemical processes for influencing the surface composition of castings, e.g. for increasing resistance to acid attack
Display labelMeasures for using chemical processes for influencing the surface composition of castings, e.g. for increasing resistance to acid attack
Total patents13

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
20161
20172
20194
20212
20222
20231
20251

Representative patents

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