Valve and fluid control device including valve
US-11920578-B2 · Mar 5, 2024 · US
the closure elements not being fixed to the valve body
the closure elements not being fixed to the valve body · 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 | F16K15/141 |
| Official title | {the closure elements not being fixed to the valve body} |
| Display label | the closure elements not being fixed to the valve body |
| Total patents | 39 |
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 | 2 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 1 |
| 2023 | 6 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Check valves
US-2024033498-A1 · Feb 1, 2024 · US
Valve with valve body, and crankcase ventilation device
US-11828212-B2 · Nov 28, 2023 · US
Castellated check valves
US-11819654-B2 · Nov 21, 2023 · US
Color changing and pressure sensing check valves
US-11746913-B2 · Sep 5, 2023 · US
Check valve
US-2023258272-A1 · Aug 17, 2023 · US
Color changing and pressure sensing check valves
US-2023099255-A1 · Mar 30, 2023 · US
Color changing and pressure sensing check valves
US-11560960-B2 · Jan 24, 2023 · US
Color changing and pressure sensing check valves
US-2022099203-A1 · Mar 31, 2022 · US
Color changing and pressure sensing check valves
US-11187333-B1 · Nov 30, 2021 · US
Valve with Valve Body, and Crankcase Ventilation Device
US-2021363902-A1 · Nov 25, 2021 · US
Check valve assembly
US-11125354-B2 · Sep 21, 2021 · US
Connector for transferring fluid and method of use
US-10940306-B2 · Mar 9, 2021 · US
Pneumatic valve/pressure vessel subcomponent with bayonet retention feature
US-10927973-B2 · Feb 23, 2021 · US
Valve and fluid control device including valve
US-2021003226-A1 · Jan 7, 2021 · US
Valve and gas control device
US-10871156-B2 · Dec 22, 2020 · US
Connector for transferring fluid
US-10842984-B2 · Nov 24, 2020 · US
Castellated check valves
US-2020282199-A1 · Sep 10, 2020 · US
Vacuum booster device
US-2020247378-A1 · Aug 6, 2020 · US
Pneumatic valve/pressure vessel subcomponent with bayonet retention feature
US-2020191291-A1 · Jun 18, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K15/141?
- CPC F16K15/141 is the Cooperative Patent Classification code for “the closure elements not being fixed to the valve body.”
- How many patents are filed under CPC F16K15/141 (the closure elements not being fixed to the valve body)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC F16K15/141 growing?
- Publication counts under this code: 6 in 2023 vs 2 in 2024 (latest complete years).