Reverse osmosis treatment system for recovering energy generated both at brine and permeate sides during sea water desalination
US-11395990-B2 · Jul 26, 2022 · US
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with other than cylindrical, sleeve or part annularly shaped valves, e.g. with flat-type valves
with other than cylindrical, sleeve or part annularly shaped valves, e.g. with flat-type 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 | F01L5/02 |
| Official title | with other than cylindrical, sleeve or part annularly shaped valves, e.g. with flat-type valves |
| Display label | with other than cylindrical, sleeve or part annularly shaped valves, e.g. with flat-type valves |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reverse osmosis treatment system
US-2019336914-A1 · Nov 7, 2019 · US
Reverse osmosis treatment system for recovering energy generated both at brine and permeate sides during seawater desalination
US-10427101-B2 · Oct 1, 2019 · US
Valve operating device for internal combustion engine
US-10125643-B2 · Nov 13, 2018 · US
Valve operating device for internal combustion engine
US-2017183988-A1 · Jun 29, 2017 · US
Reverse osmosis treatment system
US-2017173534-A1 · Jun 22, 2017 · US