Freewheels or freewheel clutches combined with automatic clutches

Freewheels or freewheel clutches combined with automatic clutches · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeF16D45/00
Official titleFreewheels or freewheel clutches combined with automatic clutches
Display labelFreewheels or freewheel clutches combined with automatic clutches
Total patents27

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20174
20181
20195
20202
20219
20223
20253

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC F16D45/00?
CPC F16D45/00 is the Cooperative Patent Classification code for “Freewheels or freewheel clutches combined with automatic clutches.”
How many patents are filed under CPC F16D45/00 (Freewheels or freewheel clutches combined with automatic clutches)?
Our database includes 27 publications tagged with this CPC code.
Is patent activity under CPC F16D45/00 growing?
Publication counts under this code: 3 in 2022 vs 3 in 2025 (latest complete years).