Systems and methods for disinfection
US-2025288707-A1 · Sep 18, 2025 · US
Units using UV-light emitting lasers
Units using UV-light emitting lasers · 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 | C02F2201/3226 |
| Official title | Units using UV-light emitting lasers |
| Display label | Units using UV-light emitting lasers |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 9 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Semiconductor light-emitting device, and water disinfection device
US-12394955-B2 · Aug 19, 2025 · US
Systems and methods for disinfection
US-2025222148-A1 · Jul 10, 2025 · US
Cap unit, storage tank, and flowing water sterilization device
US-2025197252-A1 · Jun 19, 2025 · US
Systems and methods for disinfection
US-12318498-B2 · Jun 3, 2025 · US
Fluid sterilization device
US-2025100903-A1 · Mar 27, 2025 · US
Systems and methods for disinfection
US-2025065001-A1 · Feb 27, 2025 · US
Systems and methods for disinfection
US-2024342329-A1 · Oct 17, 2024 · US
Ultraviolet light fluid treatment device
US-2024316234-A1 · Sep 26, 2024 · US
Systems and methods for disinfection
US-12070525-B2 · Aug 27, 2024 · US
Systems and methods for disinfection
US-2024165286-A1 · May 23, 2024 · US
Fluid sterilization apparatus and fluid sterilization system
US-11957802-B2 · Apr 16, 2024 · US
Systems and methods for disinfection
US-11833262-B2 · Dec 5, 2023 · US
Apparatus and method for producing pure water
US-2023373826-A1 · Nov 23, 2023 · US
Semiconductor light-emitting device, and water disinfection device
US-2023223736-A1 · Jul 13, 2023 · US
Systems and methods for disinfection
US-2022241445-A1 · Aug 4, 2022 · US
Systems and methods for disinfection
US-11318217-B2 · May 3, 2022 · US
Fluid sterilization apparatus and fluid sterilization system
US-2021322593-A1 · Oct 21, 2021 · US
Ultraviolet irradiation unit and ultraviolet sterilizer
US-2021220499-A1 · Jul 22, 2021 · US
Systems and methods for disinfection
US-2021178001-A1 · Jun 17, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2201/3226?
- CPC C02F2201/3226 is the Cooperative Patent Classification code for “Units using UV-light emitting lasers.”
- How many patents are filed under CPC C02F2201/3226 (Units using UV-light emitting lasers)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC C02F2201/3226 growing?
- Publication counts under this code: 5 in 2024 vs 7 in 2025 (latest complete years).