Type ZSM-12

Type ZSM-12 · 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 codeC01B39/42
Official titleType ZSM-12
Display labelType ZSM-12
Total patents31

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
20151
20165
20175
20185
20195
20204
20212
20231
20241
20252

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 C01B39/42?
CPC C01B39/42 is the Cooperative Patent Classification code for “Type ZSM-12.”
How many patents are filed under CPC C01B39/42 (Type ZSM-12)?
Our database includes 31 publications tagged with this CPC code.
Is patent activity under CPC C01B39/42 growing?
Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).