Vibration isolator pre-load mechanism
US-12523271-B2 · Jan 13, 2026 · US
Force or pressure
Force or pressure · 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 | F16F2228/004 |
| Official title | Force or pressure |
| Display label | Force or pressure |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Accumulators for a distributed active suspension system
US-2025091403-A1 · Mar 20, 2025 · US
Stacked disk spring vibration isolator with increased lateral load capacity
US-12129902-B2 · Oct 29, 2024 · US
Accumulators for a distributed active suspension system
US-11999214-B2 · Jun 4, 2024 · US
Self-centering conical friction damper
US-11993950-B2 · May 28, 2024 · US
Head-mounted device having hinge assembly with wiring passage
US-11906747-B1 · Feb 20, 2024 · US
Shock strut service monitoring using sensors and physical strut measurement
US-11841292-B2 · Dec 12, 2023 · US
Damping valve device with adjustable stop
US-2023375068-A1 · Nov 23, 2023 · US
Load absorbing tie rod for aircraft structure integration
US-2023303250-A1 · Sep 28, 2023 · US
Shock strut service monitoring using sensors and physical strut measurement
US-2023160781-A1 · May 25, 2023 · US
Shock strut service monitoring using sensors and physical strut measurement
US-11579047-B2 · Feb 14, 2023 · US
Vibration Isolator Pre-Load Mechanism
US-2022299084-A1 · Sep 22, 2022 · US
Stacked Disk Spring Vibration Isolator with Increased Lateral Load Capacity
US-2022299083-A1 · Sep 22, 2022 · US
Self-centering conical friction damper
US-2022290457-A1 · Sep 15, 2022 · US
Damping valve device for a vibration damper
US-11300174-B2 · Apr 12, 2022 · US
Vibration isolator with series and/or parallel conical disc spring member arrangements
US-11137045-B2 · Oct 5, 2021 · US
Accumulators for a distributed active suspension system
US-2021252935-A1 · Aug 19, 2021 · US
Simplified gas spring setup for a trailing link cycle wheel suspension
US-11084552-B2 · Aug 10, 2021 · US
Damping valve device for a vibration damper
US-2021108697-A1 · Apr 15, 2021 · US
Shock strut service monitoring using sensors and physical strut measurement
US-2020249129-A1 · Aug 6, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F2228/004?
- CPC F16F2228/004 is the Cooperative Patent Classification code for “Force or pressure.”
- How many patents are filed under CPC F16F2228/004 (Force or pressure)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC F16F2228/004 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).