Multipurpose multi-source heat-storing compressed air energy storage system and method of same
US-12405067-B2 · Sep 2, 2025 · US
using heat pumps · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F24D11/02 |
| Official title | using heat pumps |
| Display label | using heat pumps |
| Total patents | 16 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 6 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12405067-B2 · Sep 2, 2025 · US
US-2024377143-A1 · Nov 14, 2024 · US
US-12130022-B2 · Oct 29, 2024 · US
US-2024318836-A1 · Sep 26, 2024 · US
US-2024263806-A1 · Aug 8, 2024 · US
US-2024240876-A1 · Jul 18, 2024 · US
US-2024124747-A1 · Apr 18, 2024 · US
US-11585608-B2 · Feb 21, 2023 · US
US-11280557-B2 · Mar 22, 2022 · US
US-11248829-B2 · Feb 15, 2022 · US
US-2021215438-A1 · Jul 15, 2021 · US
US-2020080757-A1 · Mar 12, 2020 · US
US-2019242657-A1 · Aug 8, 2019 · US
US-2019137189-A1 · May 9, 2019 · US
US-9927132-B2 · Mar 27, 2018 · US
US-2015219343-A1 · Aug 6, 2015 · US