Telescopic passive damper
US-12331806-B2 · Jun 17, 2025 · US
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with two or more cylinders in line, i.e. in series connection (F16F9/26 takes precedence)
with two or more cylinders in line, i.e. in series connection (F16F9/26 takes precedence) · 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 | F16F9/165 |
| Official title | {with two or more cylinders in line, i.e. in series connection (F16F9/26 takes precedence)} |
| Display label | with two or more cylinders in line, i.e. in series connection (F16F9/26 takes precedence) |
| Total patents | 23 |
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 | 2 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device and apparatus for the height adjustment of a road vehicle and relative road vehicle
US-11639081-B2 · May 2, 2023 · US
Telescopic passive damper
US-2023018887-A1 · Jan 19, 2023 · US
Shock absorber
US-2022163086-A1 · May 26, 2022 · US
Device and apparatus for the height adjustment of a road vehicle and relative road vehicle
US-2022032713-A1 · Feb 3, 2022 · US
Hydraulic damper with a hydraulic compression stop assembly
US-11131362-B2 · Sep 28, 2021 · US
Hydraulic damper with a hydraulic compression stop assembly
US-2020248775-A1 · Aug 6, 2020 · US
Hydraulic damper with a hydraulic compression stop assembly
US-10670107-B2 · Jun 2, 2020 · US
Hydraulic damper with a hydraulic compression stop arrangement
US-10527122-B2 · Jan 7, 2020 · US
Hydraulic damper with a hydraulic compression stop assembly
US-2019186584-A1 · Jun 20, 2019 · US
Washing machine foot with automatic leveling function and a washing machine
US-10294602-B2 · May 21, 2019 · US
Suspension device
US-10093384-B2 · Oct 9, 2018 · US
Washing machine foot with automatic leveling function and a washing machine
US-2018274165-A1 · Sep 27, 2018 · US
Hydraulic damper with a hydraulic compression stop arrangement
US-2018223942-A1 · Aug 9, 2018 · US
Secondary dampening assembly for shock absorber
US-9822837-B2 · Nov 21, 2017 · US
Suspension device
US-2017253290-A1 · Sep 7, 2017 · US
Z-head piston for dual chamber shock struts
US-9618075-B2 · Apr 11, 2017 · US
Secondary dampening assembly for shock absorber
US-9605726-B2 · Mar 28, 2017 · US
Secondary dampening assembly for shock absorber
US-2016230835-A1 · Aug 11, 2016 · US
Secondary dampening assembly for shock absorber
US-2016223045-A1 · Aug 4, 2016 · US