Method of assembling a bellows accumulator for suspension dampers
US-2023341022-A1 · Oct 26, 2023 · US
using a gas cushion; Gas charging devices; Indicators or floats therefor
using a gas cushion; Gas charging devices; Indicators or floats therefor · 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 | F15B1/08 |
| Official title | using a gas cushion; Gas charging devices; Indicators or floats therefor |
| Display label | using a gas cushion; Gas charging devices; Indicators or floats therefor |
| Total patents | 78 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 5 |
| 2017 | 9 |
| 2018 | 8 |
| 2019 | 3 |
| 2020 | 7 |
| 2021 | 8 |
| 2022 | 10 |
| 2023 | 4 |
| 2024 | 8 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Potential energy storage and control system for a hydraulically actuated element
US-11668072-B1 · Jun 6, 2023 · US
Hydrostatic Cylinder with Gas Pressure Accumulator
US-2022397127-A1 · Dec 15, 2022 · US
Method for operating an air suspension system, and air suspension system
US-11524546-B2 · Dec 13, 2022 · US
Gas piston accumulator
US-2022325726-A1 · Oct 13, 2022 · US
Method and system for monitoring hydraulic accumulator pressure
US-2022213907-A1 · Jul 7, 2022 · US
Hydraulic actuator
US-2022213906-A1 · Jul 7, 2022 · US
High-capacity bladder type constant pressure accumulator and application thereof
US-2022178388-A1 · Jun 9, 2022 · US
Hydro-pneumatic accumulator with integrated nitrogen precharge regeneration system
US-11346373-B2 · May 31, 2022 · US
Systems and method for pressurizing a fluid to perform an operation of a machine
US-2022136530-A1 · May 5, 2022 · US
Pressure accumulator having a monitoring device
US-11268541-B2 · Mar 8, 2022 · US
Accumulator
US-11255351-B2 · Feb 22, 2022 · US
Accumulator pre-charge monitoring using position sensor
US-2021332836-A1 · Oct 28, 2021 · US
Hydraulic energy recovery apparatus for working machine
US-11149753-B2 · Oct 19, 2021 · US
Hydro-pneumatic accumulator with integrated nitrogen precharge regeneration system
US-2021285465-A1 · Sep 16, 2021 · US
Safety system for a pressure accumulator
US-11112062-B2 · Sep 7, 2021 · US
Hydraulic Energy Recovery Apparatus for Working Machine
US-2021131452-A1 · May 6, 2021 · US
Pressure accumulator having a monitoring device
US-2021115948-A1 · Apr 22, 2021 · US
Landing gear bogie pitch trimmer
US-10919620-B2 · Feb 16, 2021 · US
Hydraulic actuator and accumulator arrangement
US-10919642-B2 · Feb 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B1/08?
- CPC F15B1/08 is the Cooperative Patent Classification code for “using a gas cushion; Gas charging devices; Indicators or floats therefor.”
- How many patents are filed under CPC F15B1/08 (using a gas cushion; Gas charging devices; Indicators or floats therefor)?
- Our database includes 78 publications tagged with this CPC code.
- Is patent activity under CPC F15B1/08 growing?
- Publication counts under this code: 8 in 2024 vs 8 in 2025 (latest complete years).