Vibration isolation systems for compound helicopters
US-12319406-B2 · Jun 3, 2025 · US
having an inertia member, e.g. ring
having an inertia member, e.g. ring · 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 | F16F15/167 |
| Official title | having an inertia member, e.g. ring |
| Display label | having an inertia member, e.g. ring |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 8 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dynamic vibration absorber
US-2024426273-A1 · Dec 26, 2024 · US
Vibration Isolation Systems for Compound Helicopters
US-2024246664-A1 · Jul 25, 2024 · US
Output shaft of a vehicle
US-11959528-B2 · Apr 16, 2024 · US
Vibration isolation systems for compound helicopters
US-11932380-B2 · Mar 19, 2024 · US
Damper arrangement and transmission for a motor vehicle drive train
US-11746851-B2 · Sep 5, 2023 · US
Fixing structure
US-11578994-B2 · Feb 14, 2023 · US
Engine damper cooling utilizing cab A/C circuit
US-11549425-B2 · Jan 10, 2023 · US
Leaf spring rotational vibration absorber
US-11448288-B2 · Sep 20, 2022 · US
Leaf spring rotational vibration absorber
US-2022196110-A1 · Jun 23, 2022 · US
Method for operating a drivetrain of a motor vehicle and drivetrain for a motor vehicle
US-11300175-B2 · Apr 12, 2022 · US
Force transmission device with a rotational speed adaptive damper and method for improving the damping properties
US-RE48949-E · Mar 1, 2022 · US
Vibration Isolation Systems for Compound Helicopters
US-2021403148-A1 · Dec 30, 2021 · US
Damper Arrangement and Transmission for a Motor Vehicle Drive Train
US-2021341034-A1 · Nov 4, 2021 · US
Output Shaft of a Vehicle
US-2021277977-A1 · Sep 9, 2021 · US
Engine damper cooling with pulley integrated fan
US-2021164556-A1 · Jun 3, 2021 · US
Engine damper cooling utilizing cab a/c circuit
US-2021164382-A1 · Jun 3, 2021 · US
Viscous damper for crank shaft of vehicle
US-2021123498-A1 · Apr 29, 2021 · US
Method for operating a drivetrain of a motor vehicle and drivetrain for a motor vehicle
US-2021062889-A1 · Mar 4, 2021 · US
Hydraulic power transmission device
US-10883565-B2 · Jan 5, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F15/167?
- CPC F16F15/167 is the Cooperative Patent Classification code for “having an inertia member, e.g. ring.”
- How many patents are filed under CPC F16F15/167 (having an inertia member, e.g. ring)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC F16F15/167 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).