Damper device
US-12422002-B2 · Sep 23, 2025 · US
the rotating system comprising two or more gyratory masses
the rotating system comprising two or more gyratory masses · 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 | F16F15/131 |
| Official title | the rotating system comprising two or more gyratory masses |
| Display label | the rotating system comprising two or more gyratory masses |
| Total patents | 50 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 7 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 11 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Damper device
US-12392392-B2 · Aug 19, 2025 · US
Damper device
US-11841062-B2 · Dec 12, 2023 · US
Damper device
US-2023313842-A1 · Oct 5, 2023 · US
Damper device
US-2023243388-A1 · Aug 3, 2023 · US
Damper device
US-11661971-B2 · May 30, 2023 · US
Clutch unit with torsional vibration damper as clutch support, and hybrid module comprising clutch unit
US-11378139-B2 · Jul 5, 2022 · US
Damper device
US-2022042550-A1 · Feb 10, 2022 · US
Damper device
US-2021310522-A1 · Oct 7, 2021 · US
Washing machine
US-11053625-B2 · Jul 6, 2021 · US
Damper pulley for crankshaft
US-11015696-B2 · May 25, 2021 · US
Clutch unit with torsional vibration damper as clutch support, and hybrid module comprising clutch unit
US-2021054883-A1 · Feb 25, 2021 · US
Centrifugal pendulum device and torsional vibration damper comprising such a centrifugal pendulum device
US-10801579-B2 · Oct 13, 2020 · US
Drive train
US-10738752-B2 · Aug 11, 2020 · US
Centrifugal pendulum damper and torque transmission device
US-10533629-B2 · Jan 14, 2020 · US
Torsional vibration damper
US-10451144-B2 · Oct 22, 2019 · US
Torsion filtering mechanism having a cam track
US-10422406-B2 · Sep 24, 2019 · US
Damper pulley for crankshaft
US-2019277387-A1 · Sep 12, 2019 · US
Vibration damping device
US-2019257398-A1 · Aug 22, 2019 · US
Washing machine
US-2019249348-A1 · Aug 15, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F15/131?
- CPC F16F15/131 is the Cooperative Patent Classification code for “the rotating system comprising two or more gyratory masses.”
- How many patents are filed under CPC F16F15/131 (the rotating system comprising two or more gyratory masses)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC F16F15/131 growing?
- Publication counts under this code: 4 in 2023 vs 2 in 2025 (latest complete years).