Vibration isolator pre-load mechanism
US-12523271-B2 · Jan 13, 2026 · US
Leaf- or flexion springs
Leaf- or flexion springs · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B60N2/546 |
| Official title | {Leaf- or flexion springs} |
| Display label | Leaf- or flexion springs |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vehicle seat structure
US-2025303937-A1 · Oct 2, 2025 · US
Stacked disk spring vibration isolator with increased lateral load capacity
US-12129902-B2 · Oct 29, 2024 · US
Lightweight cushion suspension and seating surface
US-11850981-B2 · Dec 26, 2023 · US
Armrest
US-11760243-B2 · Sep 19, 2023 · US
Vehicle seat back and method of manufacturing the same
US-11634052-B2 · Apr 25, 2023 · US
Vehicle seat having a pitching spring unit
US-11498463-B2 · Nov 15, 2022 · US
Vehicle seat for supporting seat cushion while permitting lateral movement
US-11472320-B2 · Oct 18, 2022 · US
Vibration Isolator Pre-Load Mechanism
US-2022299084-A1 · Sep 22, 2022 · US
Armrest
US-2022297582-A1 · Sep 22, 2022 · US
Stacked Disk Spring Vibration Isolator with Increased Lateral Load Capacity
US-2022299083-A1 · Sep 22, 2022 · US
Lightweight cushion suspension and seating surface
US-2022212577-A1 · Jul 7, 2022 · US
Lateral vibration isolator mechanism for vehicle seat back
US-11338711-B1 · May 24, 2022 · US
Vehicle seat back and method of manufacturing the same
US-2021394656-A1 · Dec 23, 2021 · US
Vehicle seat
US-11135944-B2 · Oct 5, 2021 · US
Vehicle seat back and method of manufacturing the same
US-11130430-B2 · Sep 28, 2021 · US
Seat for vehicle
US-10988063-B2 · Apr 27, 2021 · US
Seat support structure and a seat structure including the seat support structure
US-10967771-B2 · Apr 6, 2021 · US
Articulating flexmat seat suspension
US-10899254-B2 · Jan 26, 2021 · US
Articulating flexmat seat suspension
US-10821861-B2 · Nov 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60N2/546?
- CPC B60N2/546 is the Cooperative Patent Classification code for “Leaf- or flexion springs.”
- How many patents are filed under CPC B60N2/546 (Leaf- or flexion springs)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC B60N2/546 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).