Inertia-actuated valve assemblies as well as gas spring and gas damper assemblies, suspension systems and methods including same
US-11204076-B2 · Dec 21, 2021 · US
Inertia {, i.e. acceleration,}-sensitive means
Inertia {, i.e. acceleration,}-sensitive means · 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 | F16F9/504 |
| Official title | Inertia {, i.e. acceleration,}-sensitive means |
| Display label | Inertia {, i.e. acceleration,}-sensitive means |
| Total patents | 94 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 7 |
| 2017 | 14 |
| 2018 | 11 |
| 2019 | 10 |
| 2020 | 9 |
| 2021 | 6 |
| 2022 | 10 |
| 2023 | 6 |
| 2024 | 11 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Shock absorber assembly
US-2021207678-A1 · Jul 8, 2021 · US
Valve assembly for a damper
US-2021048085-A1 · Feb 18, 2021 · US
Suspension system
US-2021010556-A1 · Jan 14, 2021 · US
Frequency sensitive type shock absorber
US-2020393015-A1 · Dec 17, 2020 · US
Damper assembly and a piston for a damper assembly
US-2020355239-A1 · Nov 12, 2020 · US
Axle/suspension system for heavy-duty vehicles
US-2020254843-A1 · Aug 13, 2020 · US
Inertia-actuated valve assemblies as well as gas spring and gas damper assemblies, suspension systems and methods including same
US-2020256418-A1 · Aug 13, 2020 · US
Suspension system
US-10731724-B2 · Aug 4, 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
Twin tube damper including a pressure rate sensitive system
US-10648527-B2 · May 12, 2020 · US
Shock absorber
US-10619694-B2 · Apr 14, 2020 · US
Vehicular vibration isolation system and apparatus
US-10544851-B2 · Jan 28, 2020 · US
Liquid-Filled Frequency-Tunable Vibration Damper
US-2019353222-A1 · Nov 21, 2019 · US
Suspension damper having inertia valve and user adjustable pressure-relief
US-2019338824-A1 · Nov 7, 2019 · US
Front bicycle suspension assembly with inertia valve
US-2019271375-A1 · Sep 5, 2019 · US
Inerter device for a wheel suspension of a vehicle
US-10378607-B2 · Aug 13, 2019 · US
Suspension damper having inertia valve and user adjustable pressure-relief
US-10359092-B2 · Jul 23, 2019 · US
Shock absorber
US-10316922-B2 · Jun 11, 2019 · US
Front bicycle suspension assembly with inertia valve
US-10316924-B2 · Jun 11, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F9/504?
- CPC F16F9/504 is the Cooperative Patent Classification code for “Inertia {, i.e. acceleration,}-sensitive means.”
- How many patents are filed under CPC F16F9/504 (Inertia {, i.e. acceleration,}-sensitive means)?
- Our database includes 94 publications tagged with this CPC code.
- Is patent activity under CPC F16F9/504 growing?
- Publication counts under this code: 11 in 2024 vs 4 in 2025 (latest complete years).