Eccentric control-arm bushings and suspension systems using them
US-12570117-B2 · Mar 10, 2026 · US
having holes or openings
having holes or openings · 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 | F16F1/3873 |
| Official title | {having holes or openings} |
| Display label | having holes or openings |
| Total patents | 46 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bushing for heavy-duty vehicle axle/suspension systems
US-2026022736-A1 · Jan 22, 2026 · US
Tubular vibration isolation device for motor mount
US-2025297659-A1 · Sep 25, 2025 · US
Hydraulic bearing and method for manufacturing a hydraulic bearing
US-2025163991-A1 · May 22, 2025 · US
Eccentric control-arm bushings and suspension systems using them
US-2025108672-A1 · Apr 3, 2025 · US
Elastomeric bushing
US-2024247699-A1 · Jul 25, 2024 · US
Vibration damping device and method of manufacturing vibration damping device
US-11885388-B2 · Jan 30, 2024 · US
Stabilizer bush
US-11820191-B2 · Nov 21, 2023 · US
Offset steering axis knuckle system
US-11772442-B2 · Oct 3, 2023 · US
Offset steering axis knuckle system
US-2023028928-A1 · Jan 26, 2023 · US
Main rotor damper elastomeric rod end
US-11505312-B2 · Nov 22, 2022 · US
Vibration damping device and method of manufacturing vibration damping device
US-2022282762-A1 · Sep 8, 2022 · US
Bush
US-11260713-B2 · Mar 1, 2022 · US
Stabilizer bush
US-2022016952-A1 · Jan 20, 2022 · US
Torque rod
US-10981441-B2 · Apr 20, 2021 · US
Vibration-damping device
US-10962074-B2 · Mar 30, 2021 · US
Dynamic damper
US-10907698-B2 · Feb 2, 2021 · US
Vibration damping device
US-10837516-B2 · Nov 17, 2020 · US
Main rotor damper elastomeric rod end
US-2020331597-A1 · Oct 22, 2020 · US
Torque rod
US-10780768-B2 · Sep 22, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F1/3873?
- CPC F16F1/3873 is the Cooperative Patent Classification code for “having holes or openings.”
- How many patents are filed under CPC F16F1/3873 (having holes or openings)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC F16F1/3873 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).