Electromotive oil pump comprising a non-return valve
US-12305639-B2 · May 20, 2025 · US
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with ball-shaped closing members
with ball-shaped closing 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 | F16K21/08 |
| Official title | with ball-shaped closing members |
| Display label | with ball-shaped closing members |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Valve seal for faucet assembly
US-11231126-B2 · Jan 25, 2022 · US
Valve seal for faucet assembly
US-2021215270-A1 · Jul 15, 2021 · US
Ball valves with lattice structures and methods of manufacture
US-10837562-B2 · Nov 17, 2020 · US
Electromotive oil pump comprising a non-return valve
US-2020340462-A1 · Oct 29, 2020 · US
Ball valves and methods of manufacture
US-2019178391-A1 · Jun 13, 2019 · US