What is CPC F16L11/18?

CPC F16L11/18 is the Cooperative Patent Classification code for “Articulated hoses, e.g. composed of a series of rings.”

How many patents are filed under CPC F16L11/18 (Articulated hoses, e.g. composed of a series of rings)?

Our database includes 41 publications tagged with this CPC code.

Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).

Articulated hoses, e.g. composed of a series of rings · 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	F16L11/18
Official title	Articulated hoses, e.g. composed of a series of rings
Display label	Articulated hoses, e.g. composed of a series of rings
Total patents	41

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

Filing activity over the last five years is rapidly 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 F16L11/18?: CPC F16L11/18 is the Cooperative Patent Classification code for “Articulated hoses, e.g. composed of a series of rings.”
How many patents are filed under CPC F16L11/18 (Articulated hoses, e.g. composed of a series of rings)?: Our database includes 41 publications tagged with this CPC code.
Is patent activity under CPC F16L11/18 growing?: Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).