Water quality monitoring method for water supply system, water supply system, and refrigeration apparatus
US-12540935-B2 · Feb 3, 2026 · US
Systems for collecting not used fresh water · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E03B1/048 |
| Official title | {Systems for collecting not used fresh water} |
| Display label | Systems for collecting not used fresh water |
| Total patents | 21 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 2 |
| 2022 | 4 |
| 2023 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12540935-B2 · Feb 3, 2026 · US
US-2025305684-A1 · Oct 2, 2025 · US
US-2025277356-A1 · Sep 4, 2025 · US
US-12392115-B2 · Aug 19, 2025 · US
US-2023173121-A1 · Jun 8, 2023 · US
US-11564537-B2 · Jan 31, 2023 · US
US-2022315447-A1 · Oct 6, 2022 · US
US-2022316191-A1 · Oct 6, 2022 · US
US-11459737-B2 · Oct 4, 2022 · US
US-2022196626-A1 · Jun 23, 2022 · US
US-2020325659-A1 · Oct 15, 2020 · US
US-10787796-B2 · Sep 29, 2020 · US
US-10519633-B2 · Dec 31, 2019 · US
US-2019150675-A1 · May 23, 2019 · US
US-10183088-B2 · Jan 22, 2019 · US
US-10047505-B2 · Aug 14, 2018 · US
US-2017362802-A1 · Dec 21, 2017 · US
US-2017298596-A1 · Oct 19, 2017 · US
US-2017191248-A1 · Jul 6, 2017 · US
US-2016158396-A1 · Jun 9, 2016 · US