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in shaft or vertical kilns

in shaft or vertical kilns · 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 codeC04B7/4469
Official title{in shaft or vertical kilns}
Display labelin shaft or vertical kilns
Total patents6

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20151
20171
20201
20211
20242

Representative patents

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