with conical friction surfaces, e.g. cone clutches

with conical friction surfaces, e.g. cone 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 codeF16D25/0632
Official titlewith conical friction surfaces, e.g. cone clutches
Display labelwith conical friction surfaces, e.g. cone clutches
Total patents52

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20155
20166
201712
20186
20196
20203
20213
20228
20232
20251

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 F16D25/0632?
CPC F16D25/0632 is the Cooperative Patent Classification code for “with conical friction surfaces, e.g. cone clutches.”
How many patents are filed under CPC F16D25/0632 (with conical friction surfaces, e.g. cone clutches)?
Our database includes 52 publications tagged with this CPC code.
Is patent activity under CPC F16D25/0632 growing?
Publication counts under this code: 2 in 2023 vs 1 in 2025 (latest complete years).