Manufacture of remote control stations for use to operate actuators on a valve assembly
US-10876649-B2 · Dec 29, 2020 · US
Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators
Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators · 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 | F15B21/048 |
| Official title | Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators |
| Display label | Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators |
| Total patents | 117 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 14 |
| 2018 | 8 |
| 2019 | 20 |
| 2020 | 16 |
| 2021 | 12 |
| 2022 | 13 |
| 2023 | 7 |
| 2024 | 8 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compressed air supply installation and method for operating a pneumatic installation
US-10865813-B2 · Dec 15, 2020 · US
Flow-optimized desiccant cartridge
US-10850228-B2 · Dec 1, 2020 · US
Over-pressure protection system
US-2020355204-A1 · Nov 12, 2020 · US
Method of controlling air dryer using compressed air and heaterless air dryer thereof
US-10807583-B2 · Oct 20, 2020 · US
Method and system for predicting replacement time of cartridge of air processing unit
US-2020318543-A1 · Oct 8, 2020 · US
Air preparation device for motor vehicles
US-2020240446-A1 · Jul 30, 2020 · US
Compressed-air supply system, pneumatic system and method for operating a compressed-air supply system
US-10717336-B2 · Jul 21, 2020 · US
Combined oil and water separator in an air brake dryer
US-2020207324-A1 · Jul 2, 2020 · US
Combined oil and water separator in an air brake dryer
US-10625727-B2 · Apr 21, 2020 · US
Effluent processing apparatus and method for a vehicle air brake charging system
US-10583820-B2 · Mar 10, 2020 · US
Method and device for controlling an air dryer unit of an air supply system for primary and auxiliary air supply, in particular for a rail vehicle
US-10493970-B2 · Dec 3, 2019 · US
System and method to monitor characteristics of an operating fluid in a process line
US-10488855-B2 · Nov 26, 2019 · US
Air supply unit for a pneumatic system of a commercial vehicle
US-2019316610-A1 · Oct 17, 2019 · US
Vehicle and vehicle air compressor system
US-10427724-B2 · Oct 1, 2019 · US
Method of controlling air dryer using compressed air and heaterless air dryer thereof
US-2019291707-A1 · Sep 26, 2019 · US
Prediction of remaining lifetime for compressed air supply system component
US-10407042-B2 · Sep 10, 2019 · US
Compressed air-supply-system for a pneumatic system, housing for the compressed air-supply-system, method for manufacturing a housing, method for operating a compressed air supply, control-unit and vehicle
US-10391993-B2 · Aug 27, 2019 · US
Consumer control device and a control method
US-2019257329-A1 · Aug 22, 2019 · US
Compressed-air drying system
US-10369516-B2 · Aug 6, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B21/048?
- CPC F15B21/048 is the Cooperative Patent Classification code for “Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators.”
- How many patents are filed under CPC F15B21/048 (Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators)?
- Our database includes 117 publications tagged with this CPC code.
- Is patent activity under CPC F15B21/048 growing?
- Publication counts under this code: 8 in 2024 vs 11 in 2025 (latest complete years).