Apparatus and process to provide cooling water for ammonia and or hydrogen productions
US-2024207802-A1 · Jun 27, 2024 · US
Heating or cooling means
Heating or cooling means · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C25B9/67 |
| Official title | Heating or cooling means |
| Display label | Heating or cooling means |
| Total patents | 247 |
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 | 1 |
| 2016 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 13 |
| 2022 | 24 |
| 2023 | 49 |
| 2024 | 66 |
| 2025 | 71 |
| 2026 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Co-production of hydrogen, carbon, and electricity with carbon dioxide capture
US-2023352712-A1 · Nov 2, 2023 · US
Compression apparatus
US-2023227987-A1 · Jul 20, 2023 · US
Portable oxyhydrogen instrument
US-2023175147-A1 · Jun 8, 2023 · US
Water supply oxygenation systems and methods
US-2023178778-A1 · Jun 8, 2023 · US
Apparatus including electrochemical devices and heat exchanger
US-2023178761-A1 · Jun 8, 2023 · US
Electrolyzer system with steam generation and method of operating same
US-2023155214-A1 · May 18, 2023 · US
Alkaline electrolysis arrangement with deaerator and method therefor
US-2023131407-A1 · Apr 27, 2023 · US
Methods and systems for production of doped carbon nanomaterials
US-2023113921-A1 · Apr 13, 2023 · US
Methods and systems for production of doped carbon nanomaterials
US-2023078544-A1 · Mar 16, 2023 · US
Solid oxide electrolytic cells using zeolite-templated carbon (ztc) as electrocatalyst
US-2023024629-A1 · Jan 26, 2023 · US
Apparatus including electrochemical devices and heat exchanger
US-11557775-B2 · Jan 17, 2023 · US
Vehicle oxygen generating system
US-2022410667-A1 · Dec 29, 2022 · US
Electrolysis system and method for operating an electrolysis system
US-2022380908-A1 · Dec 1, 2022 · US
Magnetic carbon nanomaterials and methods of making same
US-11512398-B2 · Nov 29, 2022 · US
Electrolyzer system with steam generation and method of operating same
US-2022372636-A1 · Nov 24, 2022 · US
Gas production apparatus and gas production method
US-11505872-B2 · Nov 22, 2022 · US
Solid oxide electrolyzer systems containing hydrogen pump and method of operating thereof
US-2022349076-A1 · Nov 3, 2022 · US
Electrolysis system and method of operating the same
US-2022307147-A1 · Sep 29, 2022 · US
Carbon dioxide treatment apparatus, carbon dioxide treatment method, and method for producing carbon compound
US-2022307145-A1 · Sep 29, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25B9/67?
- CPC C25B9/67 is the Cooperative Patent Classification code for “Heating or cooling means.”
- How many patents are filed under CPC C25B9/67 (Heating or cooling means)?
- Our database includes 247 publications tagged with this CPC code.
- Is patent activity under CPC C25B9/67 growing?
- Publication counts under this code: 66 in 2024 vs 71 in 2025 (latest complete years).