Fluid-filled vibration damping device
US-11536347-B2 · Dec 27, 2022 · US
Surface features, e.g. notches or protuberances
Surface features, e.g. notches or protuberances · 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 | F16F2230/02 |
| Official title | Surface features, e.g. notches or protuberances |
| Display label | Surface features, e.g. notches or protuberances |
| Total patents | 111 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2017 | 1 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 17 |
| 2021 | 23 |
| 2022 | 19 |
| 2023 | 12 |
| 2024 | 9 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vibration isolator with flexible housing
US-2022145958-A1 · May 12, 2022 · US
Reaction force generation unit
US-11326660-B2 · May 10, 2022 · US
Spring element for a vehicle shock absorber, and vehicle shock absorber and vehicle having same
US-11255402-B2 · Feb 22, 2022 · US
Damper apparatus
US-2021396296-A1 · Dec 23, 2021 · US
Work implement assembly using a center adapter mating with a notched base edge
US-2021381206-A1 · Dec 9, 2021 · US
Shock absorber
US-2021324935-A1 · Oct 21, 2021 · US
Work implement assembly using a center adapter mating with a notched base edge
US-11149415-B2 · Oct 19, 2021 · US
Work implement assembly using a corner adapter cover
US-11149414-B2 · Oct 19, 2021 · US
Insulator for vehicle suspension and manufacturing method thereof
US-2021291604-A1 · Sep 23, 2021 · US
Dampener insert
US-11124033-B2 · Sep 21, 2021 · US
Vibration damping device
US-2021268887-A1 · Sep 2, 2021 · US
Work implement assembly using a center adapter cover
US-11105073-B2 · Aug 31, 2021 · US
Lateral rearview mirror member for vibration control
US-2021262548-A1 · Aug 26, 2021 · US
Rubber elastic bearing for a drive unit in a motor vehicle
US-2021239175-A1 · Aug 5, 2021 · US
Friction damped component for highly stress engineering components
US-11062686-B2 · Jul 13, 2021 · US
Hydraulic damper assembly including an anti-noise member
US-2021199172-A1 · Jul 1, 2021 · US
Torsional vibration absorber with improved retention feature
US-11041541-B2 · Jun 22, 2021 · US
Void bush for vehicle suspension
US-2021138859-A1 · May 13, 2021 · US
Damper assembly
US-2021123494-A1 · Apr 29, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F2230/02?
- CPC F16F2230/02 is the Cooperative Patent Classification code for “Surface features, e.g. notches or protuberances.”
- How many patents are filed under CPC F16F2230/02 (Surface features, e.g. notches or protuberances)?
- Our database includes 111 publications tagged with this CPC code.
- Is patent activity under CPC F16F2230/02 growing?
- Publication counts under this code: 9 in 2024 vs 12 in 2025 (latest complete years).