Valve assemblies, valve assemblies for use with downhole components and related methods
US-2025361789-A1 · Nov 27, 2025 · US
Ball features
Ball features · 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 | F16K15/048 |
| Official title | {Ball features} |
| Display label | Ball features |
| Total patents | 43 |
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 | 1 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Valve assemblies, valve assemblies for use with downhole pumps and related methods
US-12460630-B2 · Nov 4, 2025 · US
Valve assemblies, valve assemblies for use in plunger applications and related methods
US-2024376885-A1 · Nov 14, 2024 · US
Valve device of a pneumatically actuatable friction clutch
US-12135091-B2 · Nov 5, 2024 · US
Check valve having a spherical loading element
US-12066117-B2 · Aug 20, 2024 · US
Valve assembly for a refrigerant circuit
US-12055229-B2 · Aug 6, 2024 · US
Ball for check valves
US-2023417334-A1 · Dec 28, 2023 · US
Fluidic valve supporting additional movement in addition to opening and closing movement
US-2023194008-A1 · Jun 22, 2023 · US
Pressure regulating check valve
US-11649695-B2 · May 16, 2023 · US
Valve, modular system for manufacturing valves, and method of manufacturing valves
US-11649907-B2 · May 16, 2023 · US
Valve device of a pneumatically actuatable friction clutch
US-2023069417-A1 · Mar 2, 2023 · US
Pump piston
US-11572876-B2 · Feb 7, 2023 · US
Check valve having a spherical loading element
US-2022381357-A1 · Dec 1, 2022 · US
Crankcase ventilation system with constant restriction in the flow direction and free flow in an opposite direction
US-11492936-B2 · Nov 8, 2022 · US
Combination control and check valve assembly for a wet piping system
US-11402028-B2 · Aug 2, 2022 · US
Pressure Regulating Check Valve
US-2022090468-A1 · Mar 24, 2022 · US
Pressure regulating check valve
US-11220884-B2 · Jan 11, 2022 · US
Valve, Modular System for Manufacturing Valves, and Method of Manufacturing Valves
US-2021239234-A1 · Aug 5, 2021 · US
Crankcase ventilation system with a flow control device for on board diagnostics
US-11015498-B2 · May 25, 2021 · US
Ball cage with directed flow paths for a ball pump
US-11015726-B2 · May 25, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K15/048?
- CPC F16K15/048 is the Cooperative Patent Classification code for “Ball features.”
- How many patents are filed under CPC F16K15/048 (Ball features)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC F16K15/048 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).