Bypass valves for pool heaters
US-12590642-B2 · Mar 31, 2026 · US
a by pass valve · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F24D19/1021 |
| Official title | {a by pass valve} |
| Display label | a by pass valve |
| Total patents | 22 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2024 | 4 |
| 2025 | 1 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12590642-B2 · Mar 31, 2026 · US
US-2025060113-A1 · Feb 20, 2025 · US
US-2024271442-A1 · Aug 15, 2024 · US
US-11988466-B2 · May 21, 2024 · US
US-2024110709-A1 · Apr 4, 2024 · US
US-2024102565-A1 · Mar 28, 2024 · US
US-2022364805-A1 · Nov 17, 2022 · US
US-11243000-B2 · Feb 8, 2022 · US
US-2021180800-A1 · Jun 17, 2021 · US
US-10989442-B2 · Apr 27, 2021 · US
US-2020240650-A1 · Jul 30, 2020 · US
US-2020063980-A1 · Feb 27, 2020 · US
US-10551074-B2 · Feb 4, 2020 · US
US-2019154304-A1 · May 23, 2019 · US
US-10012395-B2 · Jul 3, 2018 · US
US-9664415-B2 · May 30, 2017 · US
US-9414521-B2 · Aug 9, 2016 · US
US-9404664-B2 · Aug 2, 2016 · US
US-2015122902-A1 · May 7, 2015 · US
US-8978744-B2 · Mar 17, 2015 · US