Valve arrangement, in particular a reflux valve with a pressed-in ball holder
US-11480257-B2 · Oct 25, 2022 · US
having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04C2/32 |
| Official title | having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members |
| Display label | having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members |
| Total patents | 9 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 1 |
| 2019 | 3 |
| 2021 | 1 |
| 2022 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11480257-B2 · Oct 25, 2022 · US
US-11286929-B2 · Mar 29, 2022 · US
US-2021215265-A1 · Jul 15, 2021 · US
US-2019323498-A1 · Oct 24, 2019 · US
US-2019301457-A1 · Oct 3, 2019 · US
US-2019277282-A1 · Sep 12, 2019 · US
US-10088057-B2 · Oct 2, 2018 · US
US-2016245286-A1 · Aug 25, 2016 · US
US-2016131266-A1 · May 12, 2016 · US