Jounce bumper including integrated valve
US-10800222-B2 · Oct 13, 2020 · US
multi-chamber units (F16F9/0472, F16F9/05 take precedence)
multi-chamber units (F16F9/0472, F16F9/05 take 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 | F16F9/049 |
| Official title | {multi-chamber units (F16F9/0472, F16F9/05 take precedence)} |
| Display label | multi-chamber units (F16F9/0472, F16F9/05 take precedence) |
| Total patents | 100 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 16 |
| 2017 | 12 |
| 2018 | 10 |
| 2019 | 10 |
| 2020 | 17 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Steady state attitude control using suspension with variable volume air springs
US-2020207174-A1 · Jul 2, 2020 · US
Inertia-actuated valve assemblies as well as gas spring and gas damper assemblies, suspension systems and methods including same
US-10677308-B2 · Jun 9, 2020 · US
Integrated air spring for an axle/suspension system
US-2019366789-A1 · Dec 5, 2019 · US
Diaphragm damper device, holding member therefor, and production method for diaphragm damper device
US-10495041-B2 · Dec 3, 2019 · US
Damping air spring with substantially fixed volume
US-2019351727-A1 · Nov 21, 2019 · US
Heavy-duty vehicle axle/suspension system with optimized damping
US-2019337346-A1 · Nov 7, 2019 · US
End member assemblies as well as gas spring assemblies, suspension systems and methods including same
US-10465763-B2 · Nov 5, 2019 · US
Jounce bumpers and spring assemblies including same
US-10464385-B2 · Nov 5, 2019 · US
Rotating three way valve for switchable air springs
US-2019316651-A1 · Oct 17, 2019 · US
End member assemblies as well as gas spring assemblies, suspension systems and methods
US-10421328-B2 · Sep 24, 2019 · US
Gas spring and gas damper assemblies, suspension systems and methods
US-10369855-B2 · Aug 6, 2019 · US
Vibration isolation device
US-2019211898-A1 · Jul 11, 2019 · US
Gas spring and gas damper assemblies as well as suspension systems including same
US-10161470-B2 · Dec 25, 2018 · US
Air spring with damping characteristics for heavy-duty vehicles
US-10137749-B2 · Nov 27, 2018 · US
End member assemblies as well as gas spring assemblies and suspension systems including same
US-10119590-B2 · Nov 6, 2018 · US
Damping air spring with staged openings
US-10118453-B2 · Nov 6, 2018 · US
Gas spring and gas damper assemblies as well as suspension systems and methods of assembly
US-2018313424-A1 · Nov 1, 2018 · US
Clamping plates and gas spring assemblies as well as suspension systems and methods including same
US-2018297431-A1 · Oct 18, 2018 · US
Diaphragm damper device, holding member therefor, and production method for diaphragm damper device
US-2018202401-A1 · Jul 19, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F9/049?
- CPC F16F9/049 is the Cooperative Patent Classification code for “multi-chamber units (F16F9/0472, F16F9/05 take precedence).”
- How many patents are filed under CPC F16F9/049 (multi-chamber units (F16F9/0472, F16F9/05 take precedence))?
- Our database includes 100 publications tagged with this CPC code.
- Is patent activity under CPC F16F9/049 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).