Air spring system and control
US-2021245567-A1 · Aug 12, 2021 · US
Pressure regulating valves for air-springs
Pressure regulating valves for air-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 | B60G2500/204 |
| Official title | Pressure regulating valves for air-springs |
| Display label | Pressure regulating valves for air-springs |
| Total patents | 83 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 14 |
| 2018 | 6 |
| 2019 | 13 |
| 2020 | 15 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 8 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compressed-air supply system and method to operating a compressed-air supply system
US-11072218-B2 · Jul 27, 2021 · US
Method for operating a pressure control system comprising a multi-stage compressor, and pressure control system
US-11067075-B2 · Jul 20, 2021 · US
Air suspension system
US-10967697-B2 · Apr 6, 2021 · US
Method for operating a pressure control system comprising a multi-stage compressor, and pressure control system
US-10961999-B2 · Mar 30, 2021 · US
Pressure relief for air springs
US-10900538-B2 · Jan 26, 2021 · US
Switching valve for an air spring arrangement and an air spring arrangement
US-2021016622-A1 · Jan 21, 2021 · US
Air suspension system
US-10875376-B2 · Dec 29, 2020 · US
Damper With Solenoid In Piston Rod
US-2020376915-A1 · Dec 3, 2020 · US
Throttle assembly and pressure control system having such a throttle assembly
US-2020376914-A1 · Dec 3, 2020 · US
Mechanically actuated leveling valve mechanism
US-10814691-B2 · Oct 27, 2020 · US
Jounce bumper including integrated valve
US-10800222-B2 · Oct 13, 2020 · US
Air suspension system
US-10800223-B2 · Oct 13, 2020 · US
Vehicle-height control system
US-10759249-B2 · Sep 1, 2020 · US
Mechanical bypass of electronic valve body
US-2020269647-A1 · Aug 27, 2020 · US
Method for operating a pressure control system comprising a multi-stage compressor, and pressure control system
US-2020158104-A1 · May 21, 2020 · US
Method for operating a pressure control system with a multi-stage compressor, and pressure control system
US-2020148022-A1 · May 14, 2020 · US
Pressure relief for air springs
US-2020132154-A1 · Apr 30, 2020 · US
Method for operating a pressure control system comprising a multi-stage compressor, and pressure control system
US-2020124042-A1 · Apr 23, 2020 · US
Jounce bumper including integrated valve
US-2020114722-A1 · Apr 16, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60G2500/204?
- CPC B60G2500/204 is the Cooperative Patent Classification code for “Pressure regulating valves for air-springs.”
- How many patents are filed under CPC B60G2500/204 (Pressure regulating valves for air-springs)?
- Our database includes 83 publications tagged with this CPC code.
- Is patent activity under CPC B60G2500/204 growing?
- Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).