What is CPC F16D2121/08?

CPC F16D2121/08 is the Cooperative Patent Classification code for “acting on a membrane-type actuator, e.g. for gas pressure.”

How many patents are filed under CPC F16D2121/08 (acting on a membrane-type actuator, e.g. for gas pressure)?

Our database includes 109 publications tagged with this CPC code.

Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).

acting on a membrane-type actuator, e.g. for gas pressure · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	F16D2121/08
Official title	acting on a membrane-type actuator, e.g. for gas pressure
Display label	acting on a membrane-type actuator, e.g. for gas pressure
Total patents	109

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

Filing activity over the last five years is stable.

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

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

What is CPC F16D2121/08?: CPC F16D2121/08 is the Cooperative Patent Classification code for “acting on a membrane-type actuator, e.g. for gas pressure.”
How many patents are filed under CPC F16D2121/08 (acting on a membrane-type actuator, e.g. for gas pressure)?: Our database includes 109 publications tagged with this CPC code.
Is patent activity under CPC F16D2121/08 growing?: Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).