Thermal energy storage system with steam generation system including flow control and energy cogeneration
US-2023392522-A1 · Dec 7, 2023 · US
storing heat
storing heat · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F03D9/18 |
| Official title | storing heat |
| Display label | storing heat |
| Total patents | 134 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 18 |
| 2023 | 26 |
| 2024 | 34 |
| 2025 | 27 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Thermal energy storage system coupled with a solid oxide electrolysis system
US-2023323793-A1 · Oct 12, 2023 · US
Thermal energy storage system coupled with steam cracking system
US-2023313710-A1 · Oct 5, 2023 · US
Energy storage system and alumina calcination applications
US-2023304420-A1 · Sep 28, 2023 · US
Thermal energy storage system coupled with thermal power cycle systems
US-2023296034-A1 · Sep 21, 2023 · US
Energy storage system and applications
US-2023243278-A1 · Aug 3, 2023 · US
Thermal energy storage system with steam generation system including flow control and energy cogeneration
US-11702963-B2 · Jul 18, 2023 · US
Thermal Energy Storage System with Deep Discharge
US-2023220787-A1 · Jul 13, 2023 · US
Methods For Material Activation With Thermal Energy Storage System
US-2023203968-A1 · Jun 29, 2023 · US
Calcination System With Thermal Energy Storage System
US-2023203967-A1 · Jun 29, 2023 · US
Thermal energy storage system with forecast control of operating parameters
US-2023193789-A1 · Jun 22, 2023 · US
Thermal energy storage system with steam generator having feed-forward control
US-2023193790-A1 · Jun 22, 2023 · US
Solid Oxide Electrolysis System with Thermal Energy Storage System
US-2023184142-A1 · Jun 15, 2023 · US
Thermal Energy Storage with Fluid Flow Insulation
US-2023184140-A1 · Jun 15, 2023 · US
Thermal energy storage system with steam generator having feedback control
US-11619144-B2 · Apr 4, 2023 · US
Energy storage system and applications
US-11603776-B2 · Mar 14, 2023 · US
Thermal energy storage assemblage with energy cogeneration
US-11598226-B2 · Mar 7, 2023 · US
Material activation system with thermal energy storage system
US-11585243-B2 · Feb 21, 2023 · US
Thermal energy storage system with forecast control of operating parameters
US-11572811-B2 · Feb 7, 2023 · US
Thermal energy storage system with steam generator having feed-forward control
US-11572810-B2 · Feb 7, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F03D9/18?
- CPC F03D9/18 is the Cooperative Patent Classification code for “storing heat.”
- How many patents are filed under CPC F03D9/18 (storing heat)?
- Our database includes 134 publications tagged with this CPC code.
- Is patent activity under CPC F03D9/18 growing?
- Publication counts under this code: 34 in 2024 vs 27 in 2025 (latest complete years).