Shock adjuster
US-12392388-B1 · Aug 19, 2025 · US
characterised by having a hollow piston rod
characterised by having a hollow piston rod · 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 | F16F9/0236 |
| Official title | {characterised by having a hollow piston rod} |
| Display label | characterised by having a hollow piston rod |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 8 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Adjustable suspension comprising a fluid distribution device
US-12172728-B2 · Dec 24, 2024 · US
Clevis-ended suspension strut manufactured without welds
US-12023974-B2 · Jul 2, 2024 · US
Gas pressure spring and method for producing the gas pressure spring
US-2023193975-A1 · Jun 22, 2023 · US
Methods and apparatus for suspending vehicles
US-2022324284-A1 · Oct 13, 2022 · US
Methods and apparatus for suspending vehicles
US-11370261-B2 · Jun 28, 2022 · US
Adjustable suspension comprising a fluid distribution device
US-2022081061-A1 · Mar 17, 2022 · US
Clevis-ended suspension strut manufactured without welds
US-2022009302-A1 · Jan 13, 2022 · US
Apparatus for operating a machine work tool
US-2021317635-A1 · Oct 14, 2021 · US
Methods and apparatus for suspending vehicles
US-2020231017-A1 · Jul 23, 2020 · US
Methods and apparatus for suspending vehicles
US-10618369-B2 · Apr 14, 2020 · US
Gas cylinder, in particular high-pressure gas cylinder
US-10451137-B2 · Oct 22, 2019 · US
Methods and apparatus for suspending vehicles
US-2019248204-A1 · Aug 15, 2019 · US
Methods and apparatus for suspending vehicles
US-10315482-B2 · Jun 11, 2019 · US
Integrated and self-contained suspension assembly having an on-the-fly adjustable air spring
US-10202166-B2 · Feb 12, 2019 · US
Suspension apparatus
US-10082188-B2 · Sep 25, 2018 · US
Bicycle shock assemblies with plunger operated valve arrangement
US-9815517-B2 · Nov 14, 2017 · US
Device for recovering energy
US-9791015-B2 · Oct 17, 2017 · US
Suspension apparatus
US-2017284500-A1 · Oct 5, 2017 · US
Methods and apparatus for suspending vehicles
US-2017246927-A1 · Aug 31, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F9/0236?
- CPC F16F9/0236 is the Cooperative Patent Classification code for “characterised by having a hollow piston rod.”
- How many patents are filed under CPC F16F9/0236 (characterised by having a hollow piston rod)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC F16F9/0236 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).