Piston pump having plastic material inlet valve insert part for a high pressure cleaning device
US-12565888-B2 · Mar 3, 2026 · US
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Semi-spherical ball valves
Semi-spherical ball 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 | F04B53/1017 |
| Official title | {Semi-spherical ball valves} |
| Display label | Semi-spherical ball valves |
| Total patents | 7 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2023 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piston pump for a high pressure cleaning device
US-2023304485-A1 · Sep 28, 2023 · US
High-pressure fuel pump
US-10247181-B2 · Apr 2, 2019 · US
Valve of a piston pump with a closing body
US-9982671-B2 · May 29, 2018 · US
High-Pressure Fuel Pump
US-2016160825-A1 · Jun 9, 2016 · US
High-pressure fuel pump
US-9291162-B2 · Mar 22, 2016 · US
Discharge valve and damper for a piston pump
US-9140257-B2 · Sep 22, 2015 · US