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by zone-melting

by zone-melting · 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 codeC30B21/04
Official titleby zone-melting
Display labelby zone-melting
Total patents2

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
20161
20201

Representative patents

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