PatentsDB
This page is not indexed by search engines while we improve data quality.

hard paper; hard fabrics

hard paper; hard fabrics · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH01B3/54
Official titlehard paper; hard fabrics
Display labelhard paper; hard fabrics
Total patents22

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20153
20162
20172
20185
20192
20212
20245
20261

Representative patents

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