Valve structure, nonlubricated linear compressor, and cryocooler
US-10480665-B2 · Nov 19, 2019 · US
with flexible valve members
with flexible valve members · 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 | F16K15/14 |
| Official title | with flexible valve members |
| Display label | with flexible valve members |
| Total patents | 164 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 7 |
| 2017 | 11 |
| 2018 | 16 |
| 2019 | 23 |
| 2020 | 25 |
| 2021 | 16 |
| 2022 | 10 |
| 2023 | 16 |
| 2024 | 13 |
| 2025 | 10 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Check valves
US-2019316695-A1 · Oct 17, 2019 · US
Aerosol-generating device with reduced leakage
US-2019230986-A1 · Aug 1, 2019 · US
Valve and fluid control device
US-2019226472-A1 · Jul 25, 2019 · US
Shower jet generating device having an overpressure valve
US-2019224697-A1 · Jul 25, 2019 · US
Integrated passive one way valve in charge air inlet tank
US-2019186345-A1 · Jun 20, 2019 · US
Check valve
US-2019178401-A1 · Jun 13, 2019 · US
Valve and fluid control apparatus
US-2019145530-A1 · May 16, 2019 · US
Valve and fluid control apparatus
US-10221951-B2 · Mar 5, 2019 · US
Fuel Pump Solenoid Assembly Method
US-2019010909-A1 · Jan 10, 2019 · US
Asymmetric Spring Valve Disk
US-2019003603-A1 · Jan 3, 2019 · US
Combined Inlet and Outlet Check Valve Seat
US-2019003598-A1 · Jan 3, 2019 · US
Flow control valve
US-2018311489-A1 · Nov 1, 2018 · US
Brake cylinder pressure maintenance valves for freight car brake equipment
US-10112594-B2 · Oct 30, 2018 · US
Vent assembly and method for a digital valve positioner
US-2018283567-A1 · Oct 4, 2018 · US
Camshaft phaser
US-10082054-B2 · Sep 25, 2018 · US
Check valve structure, nozzle member using same, and squeeze container
US-2018251273-A1 · Sep 6, 2018 · US
Trigger-type liquid dispenser
US-10040087-B2 · Aug 7, 2018 · US
Valve system
US-10030641-B2 · Jul 24, 2018 · US
Valve and fluid control apparatus
US-2018202562-A1 · Jul 19, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K15/14?
- CPC F16K15/14 is the Cooperative Patent Classification code for “with flexible valve members.”
- How many patents are filed under CPC F16K15/14 (with flexible valve members)?
- Our database includes 164 publications tagged with this CPC code.
- Is patent activity under CPC F16K15/14 growing?
- Publication counts under this code: 13 in 2024 vs 10 in 2025 (latest complete years).