Farm waste-derived recyclable photothermal evaporator
US-12503375-B2 · Dec 23, 2025 · US
Salt-gradient ponds · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F24S10/13 |
| Official title | Salt-gradient ponds |
| Display label | Salt-gradient ponds |
| Total patents | 9 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 2 |
| 2021 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12503375-B2 · Dec 23, 2025 · US
US-2024140826-A1 · May 2, 2024 · US
US-11156384-B2 · Oct 26, 2021 · US
US-2021190381-A1 · Jun 24, 2021 · US
US-9850138-B2 · Dec 26, 2017 · US
US-2017010023-A1 · Jan 12, 2017 · US
US-9488386-B2 · Nov 8, 2016 · US
US-9273883-B2 · Mar 1, 2016 · US
US-2015090408-A1 · Apr 2, 2015 · US