Unconstrained vibration damping metal sheet with foam pores and method for manufacturing same
US-2026077570-A1 · Mar 19, 2026 · US
Multi-layer
Multi-layer · 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 | F16F2230/40 |
| Official title | Multi-layer |
| Display label | Multi-layer |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 9 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 8 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Unconstrained vibration damping metal sheet with foam pores and method for manufacturing same
US-12508796-B2 · Dec 30, 2025 · US
Composite material capable of measuring bending deformation, spring including the same, and manufacturing method thereof
US-12480556-B2 · Nov 25, 2025 · US
Reinforcing vibration-damping material and reinforcing vibration-damping structure
US-12297888-B2 · May 13, 2025 · US
Copper-coated steel wire, spring, stranded wire, insulated electric wire, and cable
US-12224079-B2 · Feb 11, 2025 · US
Shock absorbing module and display device including the same
US-12181013-B2 · Dec 31, 2024 · US
Wideband vibration suppression device utilizing properties of sonic black hole
US-11946523-B2 · Apr 2, 2024 · US
Unconstrained vibration damping metal sheet with foam pores and method for manufacturing same
US-2024092060-A1 · Mar 21, 2024 · US
Method for manufacturing a damping device, for damping vibrations and/or absorbing shocks
US-2024052907-A1 · Feb 15, 2024 · US
Vibration attenuation via tailored metastructures
US-2024003403-A1 · Jan 4, 2024 · US
Leaf spring with high resolution stiffness control
US-2023366442-A1 · Nov 16, 2023 · US
Reinforcing vibration-damping material and reinforcing vibration-damping structure
US-2023062802-A1 · Mar 2, 2023 · US
Vibration isolator and method of assembly using flex circuits
US-11572929-B2 · Feb 7, 2023 · US
Solar panel to which high-damping stacked reinforcement part is applied
US-2022416718-A1 · Dec 29, 2022 · US
Composite material capable of measuring bending deformation, spring including the same, and manufacturing method thereof
US-2022333659-A1 · Oct 20, 2022 · US
Variable stiffness mechanisms
US-11446164-B1 · Sep 20, 2022 · US
Modular mounting structure and combination method for manufacturing vehicle
US-11441637-B2 · Sep 13, 2022 · US
Accumulator for a damper and method of manufacture thereof
US-2022243781-A1 · Aug 4, 2022 · US
Copper-coated steel wire, spring, stranded wire, insulated electric wire, and cable
US-2022238248-A1 · Jul 28, 2022 · US
Pseudo feature configured as a damper for a disk-drive suspension
US-11359693-B2 · Jun 14, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F2230/40?
- CPC F16F2230/40 is the Cooperative Patent Classification code for “Multi-layer.”
- How many patents are filed under CPC F16F2230/40 (Multi-layer)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC F16F2230/40 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).