System for producing heat for domestic hot water or central heating
US-12540737-B2 · Feb 3, 2026 · US
Tap water heat exchangers specially adapted therefore · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F24D3/087 |
| Official title | {Tap water heat exchangers specially adapted therefore} |
| Display label | Tap water heat exchangers specially adapted therefore |
| Total patents | 14 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12540737-B2 · Feb 3, 2026 · US
US-2025369631-A1 · Dec 4, 2025 · US
US-2024418404-A1 · Dec 19, 2024 · US
US-2024125484-A1 · Apr 18, 2024 · US
US-11473787-B2 · Oct 18, 2022 · US
US-11359866-B2 · Jun 14, 2022 · US
US-2021239327-A1 · Aug 5, 2021 · US
US-2020080788-A1 · Mar 12, 2020 · US
US-10514206-B2 · Dec 24, 2019 · US
US-10168694-B2 · Jan 1, 2019 · US
US-2018195739-A1 · Jul 12, 2018 · US
US-10012393-B2 · Jul 3, 2018 · US
US-2018149373-A1 · May 31, 2018 · US
US-2018120824-A1 · May 3, 2018 · US