Crystals of complex geometrical shape, e.g. tubes, cylinders

Crystals of complex geometrical shape, e.g. tubes, cylinders · 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 codeC30B29/66
Official titleCrystals of complex geometrical shape, e.g. tubes, cylinders
Display labelCrystals of complex geometrical shape, e.g. tubes, cylinders
Total patents178

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201513
201613
201716
201813
201916
202017
202118
202221
202312
202417
202521
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 C30B29/66?
CPC C30B29/66 is the Cooperative Patent Classification code for “Crystals of complex geometrical shape, e.g. tubes, cylinders.”
How many patents are filed under CPC C30B29/66 (Crystals of complex geometrical shape, e.g. tubes, cylinders)?
Our database includes 178 publications tagged with this CPC code.
Is patent activity under CPC C30B29/66 growing?
Publication counts under this code: 17 in 2024 vs 21 in 2025 (latest complete years).