Fluid-filled vibration damping device
US-12578005-B2 · Mar 17, 2026 · US
changing geometry of passages between working and equilibration chambers, e.g. cross-sectional area or length (F16F13/28 takes precedence)
changing geometry of passages between working and equilibration chambers, e.g. cross-sectional area or length (F16F13/28 takes precedence) · 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 | F16F13/262 |
| Official title | {changing geometry of passages between working and equilibration chambers, e.g. cross-sectional area or length (F16F13/28 takes precedence)} |
| Display label | changing geometry of passages between working and equilibration chambers, e.g. cross-sectional area or length (F16F13/28 takes precedence) |
| Total patents | 49 |
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 | 3 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 17 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 6 |
| 2023 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydraulic powertrain component mount with variable stiffness
US-11841059-B2 · Dec 12, 2023 · US
Fluid-filled vibration damping device
US-2023323930-A1 · Oct 12, 2023 · US
Methods of attenuating vibration transfer to a passenger compartment
US-11585403-B2 · Feb 21, 2023 · US
Fluid-enclosed engine mount
US-11440393-B2 · Sep 13, 2022 · US
Liquid filled bushing assembly
US-11441635-B2 · Sep 13, 2022 · US
Liquid seal bushing
US-2022221024-A1 · Jul 14, 2022 · US
Fluid-sealed engine mount of vehicle
US-11320018-B2 · May 3, 2022 · US
Mount bush
US-11274727-B2 · Mar 15, 2022 · US
Fluid-sealed engine mount
US-11255396-B2 · Feb 22, 2022 · US
Methods of attenuating vibration transfer to a passenger compartment
US-2021095737-A1 · Apr 1, 2021 · US
Fluid-enclosed engine mount
US-2020391583-A1 · Dec 17, 2020 · US
Fluid-sealed engine mount
US-2020378463-A1 · Dec 3, 2020 · US
Fluid-sealed engine mount of vehicle
US-2020325955-A1 · Oct 15, 2020 · US
Vibration damping device
US-10794446-B2 · Oct 6, 2020 · US
Liquid filled bushing assembly
US-2020263755-A1 · Aug 20, 2020 · US
Mount bush
US-2020109761-A1 · Apr 9, 2020 · US
Engine mount
US-10520057-B2 · Dec 31, 2019 · US
Fluid mount having continuously variable characteristics for improving driving performance
US-10451141-B2 · Oct 22, 2019 · US
Hydraulic engine-mount
US-10436281-B2 · Oct 8, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F13/262?
- CPC F16F13/262 is the Cooperative Patent Classification code for “changing geometry of passages between working and equilibration chambers, e.g. cross-sectional area or length (F16F13/28 takes precedence).”
- How many patents are filed under CPC F16F13/262 (changing geometry of passages between working and equilibration chambers, e.g. cross-sectional area or length (F16F13/28 takes precedence))?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC F16F13/262 growing?
- Publication counts under this code: 6 in 2022 vs 3 in 2023 (latest complete years).