Thermal expansion

Thermal expansion · 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 codeB29C61/04
Official titleThermal expansion
Display labelThermal expansion
Total patents47

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
20153
20165
20177
20186
20192
20208
20215
20222
20235
20244

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 B29C61/04?
CPC B29C61/04 is the Cooperative Patent Classification code for “Thermal expansion.”
How many patents are filed under CPC B29C61/04 (Thermal expansion)?
Our database includes 47 publications tagged with this CPC code.
Is patent activity under CPC B29C61/04 growing?
Publication counts under this code: 5 in 2023 vs 4 in 2024 (latest complete years).