What is CPC F16J9/062?

CPC F16J9/062 is the Cooperative Patent Classification code for “Coiled spring along the entire circumference.”

How many patents are filed under CPC F16J9/062 (Coiled spring along the entire circumference)?

Our database includes 31 publications tagged with this CPC code.

Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).

Coiled spring along the entire circumference · 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	F16J9/062
Official title	{Coiled spring along the entire circumference}
Display label	Coiled spring along the entire circumference
Total patents	31

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 F16J9/062?: CPC F16J9/062 is the Cooperative Patent Classification code for “Coiled spring along the entire circumference.”
How many patents are filed under CPC F16J9/062 (Coiled spring along the entire circumference)?: Our database includes 31 publications tagged with this CPC code.
Is patent activity under CPC F16J9/062 growing?: Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).