Lifting mechanism suspension and lifting mechanism
US-10808381-B2 · Oct 20, 2020 · US
used for damping
used for damping · 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 | F15B1/021 |
| Official title | {used for damping} |
| Display label | used for damping |
| Total patents | 163 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 4 |
| 2017 | 18 |
| 2018 | 11 |
| 2019 | 11 |
| 2020 | 18 |
| 2021 | 11 |
| 2022 | 17 |
| 2023 | 23 |
| 2024 | 15 |
| 2025 | 19 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydraulic drive for executing a linear movement
US-10578227-B2 · Mar 3, 2020 · US
Accumulator on a fuel line of an aircraft
US-2019367176-A1 · Dec 5, 2019 · US
Accumulator
US-2019368513-A1 · Dec 5, 2019 · US
Accumulator with secondary gas chamber
US-10480552-B2 · Nov 19, 2019 · US
Pressure manifold system for dialysis
US-10471192-B2 · Nov 12, 2019 · US
Brake system
US-10421444-B2 · Sep 24, 2019 · US
Control device for controlling a valve arrangement and method for controlling a safety arrangement comprising said control device and said valve arrangement
US-10400905-B2 · Sep 3, 2019 · US
Work machine and hydraulic system for work machine
US-2019249390-A1 · Aug 15, 2019 · US
Work machine and hydraulic system for work machine
US-10316489-B2 · Jun 11, 2019 · US
Hydraulic system and method for controlling an implement of a working machine
US-10280948-B2 · May 7, 2019 · US
Regulator for clutch operating mechanism
US-2019128295-A1 · May 2, 2019 · US
System and method of hydraulic energy recovery for machine start-stop and machine ride control
US-10174770-B2 · Jan 8, 2019 · US
Rotorcraft-Assisted System and Method for Launching and Retrieving a Fixed-Wing Aircraft into and from Free Flight
US-2018327113-A1 · Nov 15, 2018 · US
Accumulator
US-10077787-B2 · Sep 18, 2018 · US
Hydraulic actuator and accumulator arrangement
US-2018222599-A1 · Aug 9, 2018 · US
Accumulator with secondary gas chamber
US-2018216639-A1 · Aug 2, 2018 · US
Hydraulic system having automatic ride control
US-10030364-B2 · Jul 24, 2018 · US
System for stabilizing pressure fluctuations in a hydraulic line of a hydraulic circuit
US-10030675-B2 · Jul 24, 2018 · US
Arrangement for charging an accumulator
US-10018207-B2 · Jul 10, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B1/021?
- CPC F15B1/021 is the Cooperative Patent Classification code for “used for damping.”
- How many patents are filed under CPC F15B1/021 (used for damping)?
- Our database includes 163 publications tagged with this CPC code.
- Is patent activity under CPC F15B1/021 growing?
- Publication counts under this code: 15 in 2024 vs 19 in 2025 (latest complete years).