What is CPC F16H1/18?

CPC F16H1/18 is the Cooperative Patent Classification code for “the members having helical, herringbone, or like teeth (F16H1/14 takes precedence).”

How many patents are filed under CPC F16H1/18 (the members having helical, herringbone, or like teeth (F16H1/14 takes precedence))?

Our database includes 41 publications tagged with this CPC code.

Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).

the members having helical, herringbone, or like teeth (F16H1/14 takes precedence) · 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	F16H1/18
Official title	the members having helical, herringbone, or like teeth (F16H1/14 takes precedence)
Display label	the members having helical, herringbone, or like teeth (F16H1/14 takes precedence)
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 F16H1/18?: CPC F16H1/18 is the Cooperative Patent Classification code for “the members having helical, herringbone, or like teeth (F16H1/14 takes precedence).”
How many patents are filed under CPC F16H1/18 (the members having helical, herringbone, or like teeth (F16H1/14 takes precedence))?: Our database includes 41 publications tagged with this CPC code.
Is patent activity under CPC F16H1/18 growing?: Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).