Chemical loop reaction system
US-2025327569-A1 · Oct 23, 2025 · US
the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F23C10/04 |
| Official title | the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone |
| Display label | the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone |
| Total patents | 38 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2017 | 9 |
| 2018 | 3 |
| 2019 | 7 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025327569-A1 · Oct 23, 2025 · US
US-2024271780-A1 · Aug 15, 2024 · US
US-2024116757-A1 · Apr 11, 2024 · US
US-2023357005-A1 · Nov 9, 2023 · US
US-2023349548-A1 · Nov 2, 2023 · US
US-11717811-B2 · Aug 8, 2023 · US
US-2023113165-A1 · Apr 13, 2023 · US
US-11603989-B2 · Mar 14, 2023 · US
US-11279885-B2 · Mar 22, 2022 · US
US-2021372610-A1 · Dec 2, 2021 · US
US-2021189258-A1 · Jun 24, 2021 · US
US-10890323-B2 · Jan 12, 2021 · US
US-2020095898-A1 · Mar 26, 2020 · US
US-2019388874-A1 · Dec 26, 2019 · US
US-10502414-B2 · Dec 10, 2019 · US
US-10473325-B2 · Nov 12, 2019 · US
US-10473326-B2 · Nov 12, 2019 · US
US-10415825-B2 · Sep 17, 2019 · US
US-2019249866-A1 · Aug 15, 2019 · US
US-10215400-B2 · Feb 26, 2019 · US
Answers are generated from the same data shown on this page.