What is CPC F16N7/12?

CPC F16N7/12 is the Cooperative Patent Classification code for “with feed by capillary action, e.g. by wicks.”

How many patents are filed under CPC F16N7/12 (with feed by capillary action, e.g. by wicks)?

Our database includes 26 publications tagged with this CPC code.

Publication counts under this code: 2 in 2023 vs 2 in 2025 (latest complete years).

with feed by capillary action, e.g. by wicks · 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	F16N7/12
Official title	with feed by capillary action, e.g. by wicks
Display label	with feed by capillary action, e.g. by wicks
Total patents	26

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

Filing activity over the last five years is growing.

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 F16N7/12?: CPC F16N7/12 is the Cooperative Patent Classification code for “with feed by capillary action, e.g. by wicks.”
How many patents are filed under CPC F16N7/12 (with feed by capillary action, e.g. by wicks)?: Our database includes 26 publications tagged with this CPC code.
Is patent activity under CPC F16N7/12 growing?: Publication counts under this code: 2 in 2023 vs 2 in 2025 (latest complete years).