What is CPC G05D16/185?

CPC G05D16/185 is the Cooperative Patent Classification code for “using membranes within the main valve.”

How many patents are filed under CPC G05D16/185 (using membranes within the main valve)?

Our database includes 34 publications tagged with this CPC code.

Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).

using membranes within the main valve · Cooperative Patent Classification (CPC)

Computing, optics, measurement, and control technologies.

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	G05D16/185
Official title	{using membranes within the main valve}
Display label	using membranes within the main valve
Total patents	34

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

Filing activity over the last five years is declining.

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 G05D16/185?: CPC G05D16/185 is the Cooperative Patent Classification code for “using membranes within the main valve.”
How many patents are filed under CPC G05D16/185 (using membranes within the main valve)?: Our database includes 34 publications tagged with this CPC code.
Is patent activity under CPC G05D16/185 growing?: Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).