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frames for openings, e.g. for windows, doors, handbags

frames for openings, e.g. for windows, doors, handbags · 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 codeB21D53/74
Official titleframes for openings, e.g. for windows, doors, handbags
Display labelframes for openings, e.g. for windows, doors, handbags
Total patents18

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
20151
20171
20182
20193
20203
20214
20221
20232
20241

Representative patents

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