Drying; Impregnating

Drying; Impregnating · 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 codeH01B19/02
Official titleDrying; Impregnating
Display labelDrying; Impregnating
Total patents41

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20155
20163
20172
20183
20197
20203
20215
20223
20235
20241
20253
20261

Representative patents

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

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC H01B19/02?
CPC H01B19/02 is the Cooperative Patent Classification code for “Drying; Impregnating.”
How many patents are filed under CPC H01B19/02 (Drying; Impregnating)?
Our database includes 41 publications tagged with this CPC code.
Is patent activity under CPC H01B19/02 growing?
Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).