Water treatment apparatus and manufacturing method of water treatment apparatus
US-2026015266-A1 · Jan 15, 2026 · US
Heating or cooling
Heating or cooling · 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 | C02F2201/46155 |
| Official title | Heating or cooling |
| Display label | Heating or cooling |
| Total patents | 44 |
Filing trend
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 | 2 |
| 2018 | 3 |
| 2019 | 8 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrochemical water deionization separators
US-12503380-B2 · Dec 23, 2025 · US
Coupling the Continuous Supercritical Water Oxidation Reactor for Polyfluoroalkyl Substance Destruction Operations to an Energy Carrier Production Process
US-2025376401-A1 · Dec 11, 2025 · US
Integrated electrocoagulation desalination process with carbon dioxide capture and solid recovery
US-12421140-B1 · Sep 23, 2025 · US
Deionization system with heat management
US-12330966-B2 · Jun 17, 2025 · US
Gas generator
US-2025034723-A1 · Jan 30, 2025 · US
Gas generator
US-12146228-B2 · Nov 19, 2024 · US
Electrolytic assembly and laundry treatment apparatus
US-12091334-B2 · Sep 17, 2024 · US
Internal electrical connections for concentric tubular electrochemical cells
US-11958762-B1 · Apr 16, 2024 · US
Electrostatic purification device of fluid, fluid purification facility, and method of purifying fluid
US-2023226560-A1 · Jul 20, 2023 · US
Electrochemical water deionization separators
US-2023068559-A1 · Mar 2, 2023 · US
Deionization system with heat management
US-2023063865-A1 · Mar 2, 2023 · US
Internal electrical connections for concentric tubular electrochemical cells
US-11584665-B2 · Feb 21, 2023 · US
Processes for treatment of residuals
US-2023002266-A1 · Jan 5, 2023 · US
Electrolytic assembly and laundry treatment apparatus
US-2022315454-A1 · Oct 6, 2022 · US
Gas generator
US-2022025526-A1 · Jan 27, 2022 · US
Gas generator
US-11180858-B2 · Nov 23, 2021 · US
Ultrafine bubble generating method, ultrafine bubble generating apparatus, and ultrafine bubble-containing liquid
US-11179652-B2 · Nov 23, 2021 · US
Water electrolysis device
US-11105003-B2 · Aug 31, 2021 · US
Heating apparatus and water electrolysis system
US-10995019-B2 · May 4, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2201/46155?
- CPC C02F2201/46155 is the Cooperative Patent Classification code for “Heating or cooling.”
- How many patents are filed under CPC C02F2201/46155 (Heating or cooling)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC C02F2201/46155 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).