Heat storage device, power generator, and heat generator
US-12523433-B2 · Jan 13, 2026 · US
Heat storage systems not otherwise provided for · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F28D2020/006 |
| Official title | {Heat storage systems not otherwise provided for} |
| Display label | Heat storage systems not otherwise provided for |
| Total patents | 39 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 10 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12523433-B2 · Jan 13, 2026 · US
US-2025180302-A1 · Jun 5, 2025 · US
US-2025146764-A1 · May 8, 2025 · US
US-2025075984-A1 · Mar 6, 2025 · US
US-2024344780-A1 · Oct 17, 2024 · US
US-2023280257-A1 · Sep 7, 2023 · US
US-2023279281-A1 · Sep 7, 2023 · US
US-2023075234-A1 · Mar 9, 2023 · US
US-11448471-B2 · Sep 20, 2022 · US
US-2021323378-A1 · Oct 21, 2021 · US
US-2021310748-A1 · Oct 7, 2021 · US
US-2021108861-A1 · Apr 15, 2021 · US
US-10859324-B2 · Dec 8, 2020 · US
US-10845129-B2 · Nov 24, 2020 · US
US-10752821-B2 · Aug 25, 2020 · US
US-2019352551-A1 · Nov 21, 2019 · US
US-10371013-B2 · Aug 6, 2019 · US
US-10228195-B2 · Mar 12, 2019 · US
US-2019072338-A1 · Mar 7, 2019 · US
US-10168106-B2 · Jan 1, 2019 · US
Answers are generated from the same data shown on this page.