provided with masks or diaphragms

provided with masks or diaphragms · 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 codeB29C35/0894
Official title{provided with masks or diaphragms}
Display labelprovided with masks or diaphragms
Total patents94

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
20156
201610
201710
201814
20196
20204
202117
20226
20232
202411
20257
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 B29C35/0894?
CPC B29C35/0894 is the Cooperative Patent Classification code for “provided with masks or diaphragms.”
How many patents are filed under CPC B29C35/0894 (provided with masks or diaphragms)?
Our database includes 94 publications tagged with this CPC code.
Is patent activity under CPC B29C35/0894 growing?
Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).