What is CPC F16K1/20?

CPC F16K1/20 is the Cooperative Patent Classification code for “with axis of rotation arranged externally of valve member.”

How many patents are filed under CPC F16K1/20 (with axis of rotation arranged externally of valve member)?

Our database includes 149 publications tagged with this CPC code.

Publication counts under this code: 5 in 2024 vs 8 in 2025 (latest complete years).

with axis of rotation arranged externally of valve member · 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	F16K1/20
Official title	with axis of rotation arranged externally of valve member
Display label	with axis of rotation arranged externally of valve member
Total patents	149

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 F16K1/20?: CPC F16K1/20 is the Cooperative Patent Classification code for “with axis of rotation arranged externally of valve member.”
How many patents are filed under CPC F16K1/20 (with axis of rotation arranged externally of valve member)?: Our database includes 149 publications tagged with this CPC code.
Is patent activity under CPC F16K1/20 growing?: Publication counts under this code: 5 in 2024 vs 8 in 2025 (latest complete years).