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Hardening under water

Hardening under water · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC04B40/0286
Official title{Hardening under water}
Display labelHardening under water
Total patents8

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20151
20181
20203
20222
20241

Representative patents

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