Recirculating hydraulic fluid control valve
US-2022298933-A1 · Sep 22, 2022 · US
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by means of cams
by means of cams · 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 | F16K3/205 |
| Official title | {by means of cams} |
| Display label | by means of cams |
| Total patents | 10 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Universal fatigue valve system
US-10920905-B2 · Feb 16, 2021 · US
Rotational hydraulic logic device and variable cam timing phaser utilizing such a device
US-10844755-B2 · Nov 24, 2020 · US
Universal fatigue valve system
US-2020300381-A1 · Sep 24, 2020 · US
Valve seat replacement system and method
US-10718436-B2 · Jul 21, 2020 · US
Gate valve
US-10436331-B2 · Oct 8, 2019 · US
Valve seat replacement system and method
US-2019264818-A1 · Aug 29, 2019 · US
Rotational hydraulic logic device and variable cam timing phaser utilizing such a device
US-2019128149-A1 · May 2, 2019 · US
Gate valve
US-2017292617-A1 · Oct 12, 2017 · US
Cam apparatus for use with valves
US-9581228-B2 · Feb 28, 2017 · US