Valve module system
US-2025198431-A1 · Jun 19, 2025 · US
Cartridge type valves
Cartridge type valves · 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 | F15B13/0835 |
| Official title | {Cartridge type valves} |
| Display label | Cartridge type valves |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Valve block, and multi-control valve device having same
US-2025188960-A1 · Jun 12, 2025 · US
Pneumatic system having noise reduction features for a medical fluid machine
US-11491321-B2 · Nov 8, 2022 · US
Pneumatic multi-valve device and production method
US-10989322-B2 · Apr 27, 2021 · US
Modular valve trim assembly for use in a process control valve
US-10724642-B2 · Jul 28, 2020 · US
Pneumatic system having noise reduction features for a medical fluid machine
US-2020069856-A1 · Mar 5, 2020 · US
Device for Holding a Directly Controlled Valve in a Valve Housing, in a Channel Plate or in a Transmission Housing
US-2020063770-A1 · Feb 27, 2020 · US
Open center control valve
US-10502240-B2 · Dec 10, 2019 · US
Pressure manifold system for dialysis
US-10471192-B2 · Nov 12, 2019 · US
Open Center Control Valve
US-2019257325-A1 · Aug 22, 2019 · US
Hydraulic flange
US-2019234432-A1 · Aug 1, 2019 · US
Open center control valve
US-10323659-B2 · Jun 18, 2019 · US
Pneumatic multi-valve device and production method
US-2019120396-A1 · Apr 25, 2019 · US
Modular Valve Trim Assembly For Use In A Process Control Valve
US-2018340616-A1 · Nov 29, 2018 · US
Open Center Control Valve
US-2018335057-A1 · Nov 22, 2018 · US
Valve body for hydraulic control device, and production method therefor
US-2018180070-A1 · Jun 28, 2018 · US
Pressure manifold system for dialysis
US-2017189592-A1 · Jul 6, 2017 · US
Pressure manifold system for dialysis
US-9623168-B2 · Apr 18, 2017 · US
Vehicle brake hydraulic pressure control unit and method for producing the same
US-9511753-B2 · Dec 6, 2016 · US
Valve arrangement
US-9441756-B2 · Sep 13, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B13/0835?
- CPC F15B13/0835 is the Cooperative Patent Classification code for “Cartridge type valves.”
- How many patents are filed under CPC F15B13/0835 (Cartridge type valves)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC F15B13/0835 growing?
- Publication counts under this code: 1 in 2022 vs 2 in 2025 (latest complete years).