Centrifugal clutch
US-2021115986-A1 · Apr 22, 2021 · US
with friction clutching members
with friction clutching members · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16D43/18 |
| Official title | with friction clutching members |
| Display label | with friction clutching members |
| Total patents | 98 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 12 |
| 2018 | 6 |
| 2019 | 15 |
| 2020 | 15 |
| 2021 | 15 |
| 2022 | 9 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
One-way clutch
US-2020400203-A1 · Dec 24, 2020 · US
Centrifugal clutch
US-2020370607-A1 · Nov 26, 2020 · US
Centrifugal clutch
US-2020340540-A1 · Oct 29, 2020 · US
Torque converter
US-2020325971-A1 · Oct 15, 2020 · US
Torque converter
US-2020292043-A1 · Sep 17, 2020 · US
Centrifugal clutch
US-10760626-B2 · Sep 1, 2020 · US
Overrunning clutch unit and gear mechanism device having the overrunning clutch unit
US-10724583-B2 · Jul 28, 2020 · US
Clutch device for a drivetrain of a vehicle
US-2020232518-A1 · Jul 23, 2020 · US
Agricultural header with damage-reducing clutch
US-2020205341-A1 · Jul 2, 2020 · US
Clutch structure
US-10670090-B2 · Jun 2, 2020 · US
Centrifugal clutch
US-2020158193-A1 · May 21, 2020 · US
Centrifugal clutch fitting structure in vehicle
US-10626923-B2 · Apr 21, 2020 · US
Centrifugal clutch
US-10626932-B2 · Apr 21, 2020 · US
Radial wedge plate clutch
US-10578175-B2 · Mar 3, 2020 · US
Centrifugal clutch
US-10539197-B2 · Jan 21, 2020 · US
High performance synchronous transmission
US-2019389538-A1 · Dec 26, 2019 · US
High performance synchronous transmission
US-2019345992-A1 · Nov 14, 2019 · US
Centrifugal clutch
US-2019338813-A1 · Nov 7, 2019 · US
Centrifugal clutch having two series-connected clutch elements
US-2019277352-A1 · Sep 12, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D43/18?
- CPC F16D43/18 is the Cooperative Patent Classification code for “with friction clutching members.”
- How many patents are filed under CPC F16D43/18 (with friction clutching members)?
- Our database includes 98 publications tagged with this CPC code.
- Is patent activity under CPC F16D43/18 growing?
- Publication counts under this code: 4 in 2024 vs 7 in 2025 (latest complete years).