Multi-valve
US-2022341350-A1 · Oct 27, 2022 · US
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Valve cages
Valve cages · 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 | F01L3/085 |
| Official title | {Valve cages} |
| Display label | Valve cages |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Frustoconically supported valve stem seal assembly
US-10513951-B2 · Dec 24, 2019 · US
Frustoconically supported valve stem seal assembly
US-2018371965-A1 · Dec 27, 2018 · US
Cam rocker lever for operating valves
US-9518483-B2 · Dec 13, 2016 · US
Cam rocker lever for operating valves
US-2015377081-A1 · Dec 31, 2015 · US
Poppet valve assembly
US-8951026-B2 · Feb 10, 2015 · US