Method and system for pre-programmed self-power microfluidic circuits
US-9822890-B2 · Nov 21, 2017 · US
with actuating mechanism; Combined check valves and actuated valves
with actuating mechanism; Combined check valves and actuated 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 | F16K15/18 |
| Official title | with actuating mechanism; Combined check valves and actuated valves |
| Display label | with actuating mechanism; Combined check valves and actuated valves |
| Total patents | 247 |
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 | 25 |
| 2016 | 18 |
| 2017 | 31 |
| 2018 | 30 |
| 2019 | 25 |
| 2020 | 34 |
| 2021 | 29 |
| 2022 | 16 |
| 2023 | 23 |
| 2024 | 8 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Turbocharger compressor recirculation system
US-9822785-B2 · Nov 21, 2017 · US
Electronic expansion valve
US-9810461-B2 · Nov 7, 2017 · US
Valve device for a hydraulic circuit and oil pump control apparatus
US-9803772-B2 · Oct 31, 2017 · US
Double-acting shift cylinder actuating assembly
US-9797508-B2 · Oct 24, 2017 · US
Adjustable stop for check valve
US-2017284550-A1 · Oct 5, 2017 · US
Unloading relief valve
US-9764671-B2 · Sep 19, 2017 · US
Adjustable stop for check valve
US-9732869-B2 · Aug 15, 2017 · US
Valve Piston, and Slide Valve having a Valve Piston
US-2017175924-A1 · Jun 22, 2017 · US
Multi-operational valve
US-9669533-B2 · Jun 6, 2017 · US
Valve device and jet engine with a valve device
US-2017145858-A1 · May 25, 2017 · US
Control valve and air starting system
US-2017138501-A1 · May 18, 2017 · US
Coupling element for connecting fluid conducting conduits and corresponding coupling arrangement
US-2017138517-A1 · May 18, 2017 · US
Recirculation device of an extracorporeal blood treatment apparatus
US-9636448-B2 · May 2, 2017 · US
Valve assembly with a guiding element and fluid injector
US-9624885-B2 · Apr 18, 2017 · US
Water supply valve and water supply valve assembly for wall mounted drum type washing machine
US-9605373-B2 · Mar 28, 2017 · US
Forward check valve and fuel cell system
US-9593780-B2 · Mar 14, 2017 · US
Five-port switching valve with residual pressure exhaust valve
US-9528616-B2 · Dec 27, 2016 · US
Filling and recirculation device for a liquid system of an extracorporeal blood treatment device
US-9511183-B2 · Dec 6, 2016 · US
Valve
US-9505334-B2 · Nov 29, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K15/18?
- CPC F16K15/18 is the Cooperative Patent Classification code for “with actuating mechanism; Combined check valves and actuated valves.”
- How many patents are filed under CPC F16K15/18 (with actuating mechanism; Combined check valves and actuated valves)?
- Our database includes 247 publications tagged with this CPC code.
- Is patent activity under CPC F16K15/18 growing?
- Publication counts under this code: 8 in 2024 vs 6 in 2025 (latest complete years).