Leaf spring for a vehicle
US-2025135821-A1 · May 1, 2025 · US
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with layers, e.g. anti-friction layers, or with rollers between the leaves
with layers, e.g. anti-friction layers, or with rollers between the leaves · 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 | F16F1/20 |
| Official title | with layers, e.g. anti-friction layers, or with rollers between the leaves |
| Display label | with layers, e.g. anti-friction layers, or with rollers between the leaves |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 1 |
| 2019 | 3 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wear pad in a spring suspension system and method thereof
US-2025084907-A1 · Mar 13, 2025 · US
Device comprising a set of vibration absorbers and vehicle equipped with such a device
US-11885391-B2 · Jan 30, 2024 · US
Clamp and clamp-equipped wire harness
US-11780387-B2 · Oct 10, 2023 · US
Variable stiffness mechanisms
US-11446164-B1 · Sep 20, 2022 · US
Silencer for leaf spring for commercial vehicle
US-11407267-B2 · Aug 9, 2022 · US
Device comprising a set of vibration absorbers and vehicle equipped with such a device
US-2022074460-A1 · Mar 10, 2022 · US
Clamp and clamp-equipped wire harness
US-2022055555-A1 · Feb 24, 2022 · US
Silencer for Leaf Spring for Commercial Vehicle
US-2021155065-A1 · May 27, 2021 · US
Leaf spring device for a vehicle, chassis with such a leaf spring device and a method for producing such a leaf spring device and/or such a chassis
US-2019309815-A1 · Oct 10, 2019 · US
Gap retaining member and laminated leaf spring provided with same
US-2019078637-A1 · Mar 14, 2019 · US
Space maintaining member and leaf spring using same
US-2019078636-A1 · Mar 14, 2019 · US
Leaf spring vibration dampening pad
US-2017043638-A1 · Feb 16, 2017 · US
Electromagnetic inertial actuator
US-9404549-B2 · Aug 2, 2016 · US
Noise reduction for rear suspension leaf spring with tip insert - round head
US-2016159183-A1 · Jun 9, 2016 · US
Silencer for a multi-leaf spring
US-9285004-B2 · Mar 15, 2016 · US