Hydraulic system for working machine
US-2020362884-A1 · Nov 19, 2020 · US
the abnormal condition being noise or vibration
the abnormal condition being noise or vibration · 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 | F15B2211/8616 |
| Official title | the abnormal condition being noise or vibration |
| Display label | the abnormal condition being noise or vibration |
| Total patents | 147 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 6 |
| 2017 | 6 |
| 2018 | 15 |
| 2019 | 21 |
| 2020 | 28 |
| 2021 | 29 |
| 2022 | 11 |
| 2023 | 9 |
| 2024 | 9 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air cylinder fluid circuit and method for designing same
US-2020355203-A1 · Nov 12, 2020 · US
Valve device
US-2020166148-A1 · May 28, 2020 · US
System for damping mass-induced vibration in machines having hydraulically controlled booms or elongate members
US-2020124060-A1 · Apr 23, 2020 · US
Work machine
US-10557251-B2 · Feb 11, 2020 · US
System for controlling the operation of an actuator mounted on a seed planting implement
US-2020022300-A1 · Jan 23, 2020 · US
Method for Vibration Damping for Hydraulic Lifting Mechanisms of Mobile Working Machines and Hydraulic Lifting Mechanism Having Vibration Damping
US-2019373799-A1 · Dec 12, 2019 · US
Hydraulic system and method for reducing boom bounce with counter-balance protection
US-10502239-B2 · Dec 10, 2019 · US
Reservoir tank
US-2019366995-A1 · Dec 5, 2019 · US
Energy recovery device and energy recovery method
US-2019368514-A1 · Dec 5, 2019 · US
Detecting end of stroke in a hydraulic motor
US-10385890-B2 · Aug 20, 2019 · US
Construction Machine
US-2019219071-A1 · Jul 18, 2019 · US
Pilot control mechanism for boom bounce reduction
US-10344783-B2 · Jul 9, 2019 · US
Methods and apparatus to enable boom bounce reduction and prevent un-commanded motion in hydraulic systems
US-10323663-B2 · Jun 18, 2019 · US
Active damping ride control system for attenuating oscillations in a hydraulic actuator of a machine
US-10323384-B2 · Jun 18, 2019 · US
Control strategy for reducing boom oscillation
US-10316929-B2 · Jun 11, 2019 · US
Damping device for clutch actuating device
US-10316871-B2 · Jun 11, 2019 · US
Railway vehicle vibration damping device
US-2019168785-A1 · Jun 6, 2019 · US
Regulator for clutch operating mechanism
US-2019128295-A1 · May 2, 2019 · US
Damping device for clutch actuating device
US-2019128294-A1 · May 2, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B2211/8616?
- CPC F15B2211/8616 is the Cooperative Patent Classification code for “the abnormal condition being noise or vibration.”
- How many patents are filed under CPC F15B2211/8616 (the abnormal condition being noise or vibration)?
- Our database includes 147 publications tagged with this CPC code.
- Is patent activity under CPC F15B2211/8616 growing?
- Publication counts under this code: 9 in 2024 vs 6 in 2025 (latest complete years).