What is CPC F16D3/72?

CPC F16D3/72 is the Cooperative Patent Classification code for “with axially-spaced attachments to the coupling parts (F16D3/56 takes precedence).”

How many patents are filed under CPC F16D3/72 (with axially-spaced attachments to the coupling parts (F16D3/56 takes precedence))?

Our database includes 268 publications tagged with this CPC code.

Publication counts under this code: 24 in 2024 vs 10 in 2025 (latest complete years).

with axially-spaced attachments to the coupling parts (F16D3/56 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	F16D3/72
Official title	with axially-spaced attachments to the coupling parts (F16D3/56 takes precedence)
Display label	with axially-spaced attachments to the coupling parts (F16D3/56 takes precedence)
Total patents	268

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 F16D3/72?: CPC F16D3/72 is the Cooperative Patent Classification code for “with axially-spaced attachments to the coupling parts (F16D3/56 takes precedence).”
How many patents are filed under CPC F16D3/72 (with axially-spaced attachments to the coupling parts (F16D3/56 takes precedence))?: Our database includes 268 publications tagged with this CPC code.
Is patent activity under CPC F16D3/72 growing?: Publication counts under this code: 24 in 2024 vs 10 in 2025 (latest complete years).