Leaf spring for a vehicle
US-2025135821-A1 · May 1, 2025 · US
with inter-engaging portions between leaves or between leaves and mountings, e.g. ridges, notches, ripples
with inter-engaging portions between leaves or between leaves and mountings, e.g. ridges, notches, ripples · 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 | F16F1/182 |
| Official title | {with inter-engaging portions between leaves or between leaves and mountings, e.g. ridges, notches, ripples} |
| Display label | with inter-engaging portions between leaves or between leaves and mountings, e.g. ridges, notches, ripples |
| Total patents | 29 |
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 | 3 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 8 |
| 2023 | 1 |
| 2024 | 6 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for manufacturing a leaf spring and insert for leaf spring
US-12163565-B2 · Dec 10, 2024 · US
Spring member
US-2024229886-A9 · Jul 11, 2024 · US
Spring member
US-2024133442-A1 · Apr 25, 2024 · US
Leaf spring device
US-11927233-B2 · Mar 12, 2024 · US
Vibration isolation for rotating machines
US-11927236-B2 · Mar 12, 2024 · US
Device comprising a set of vibration absorbers and vehicle equipped with such a device
US-11885391-B2 · Jan 30, 2024 · US
Control element
US-11846315-B2 · Dec 19, 2023 · US
Leaf spring device
US-2022412420-A1 · Dec 29, 2022 · US
Displacement magnification device
US-11476406-B2 · Oct 18, 2022 · US
Vibration isolation for rotating machines
US-2022196111-A1 · Jun 23, 2022 · US
Leaf spring
US-11353077-B2 · Jun 7, 2022 · US
Planar spring and rotating series elastic actuator
US-11353078-B2 · Jun 7, 2022 · US
Heat exchanger
US-11306981-B2 · Apr 19, 2022 · US
Device comprising a set of vibration absorbers and vehicle equipped with such a device
US-2022074460-A1 · Mar 10, 2022 · US
Process for manufacturing a leaf spring and insert for leaf spring
US-2022065319-A1 · Mar 3, 2022 · US
Axle spring seat attachment assembly
US-11118645-B2 · Sep 14, 2021 · US
Control element
US-2021190130-A1 · Jun 24, 2021 · US
Vibration isolator
US-2021148428-A1 · May 20, 2021 · US
Leaf spring
US-2021095734-A1 · Apr 1, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F1/182?
- CPC F16F1/182 is the Cooperative Patent Classification code for “with inter-engaging portions between leaves or between leaves and mountings, e.g. ridges, notches, ripples.”
- How many patents are filed under CPC F16F1/182 (with inter-engaging portions between leaves or between leaves and mountings, e.g. ridges, notches, ripples)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC F16F1/182 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).