Method of preventing air pollution in vehicle
US-12447803-B2 · Oct 21, 2025 · US
Photocatalytic filters
Photocatalytic filters · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B60H2003/0675 |
| Official title | {Photocatalytic filters} |
| Display label | Photocatalytic filters |
| Total patents | 68 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 8 |
| 2022 | 12 |
| 2023 | 12 |
| 2024 | 11 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hands-free cabin purification system for a vehicle
US-2024326564-A1 · Oct 3, 2024 · US
Ventilation seat of vehicle
US-12059941-B2 · Aug 13, 2024 · US
Aircraft air management systems for deactivating contaminants
US-12042764-B2 · Jul 23, 2024 · US
Photocatalyst device
US-2024216567-A1 · Jul 4, 2024 · US
Seat ventilation device for vehicles
US-2024208380-A1 · Jun 27, 2024 · US
Ventilation seat of vehicle
US-12011523-B2 · Jun 18, 2024 · US
Air purifier
US-2024191892-A1 · Jun 13, 2024 · US
Air conditioning assembly of vehicle seat
US-11999217-B2 · Jun 4, 2024 · US
Vehicular air-conditioning apparatus having photocatalytic module
US-11958341-B2 · Apr 16, 2024 · US
Combining air cleaning methods for improved anti-contaminant efficacy and air cleaning arrays
US-2024024813-A1 · Jan 25, 2024 · US
Vehicle air conditioner having photocatalyst module
US-2024010050-A1 · Jan 11, 2024 · US
Vehicle air conditioner having photocatalyst module
US-2023415548-A1 · Dec 28, 2023 · US
Photocatalytic device and air conditioner including same
US-11813380-B2 · Nov 14, 2023 · US
Gas detection and purification device
US-11772029-B2 · Oct 3, 2023 · US
Air cleaning apparatus for ventilation seat and method of controlling operation of apparatus
US-2023293762-A1 · Sep 21, 2023 · US
Purification device of baby carriage
US-11753060-B2 · Sep 12, 2023 · US
Vehicle air conditioner equipped with photocatalyst
US-2023226888-A1 · Jul 20, 2023 · US
Vehicle air conditioner equipped with photocatalyst
US-2023226887-A1 · Jul 20, 2023 · US
Methods and systems for sanitizing air conditioned by a climate control system
US-2023211039-A1 · Jul 6, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60H2003/0675?
- CPC B60H2003/0675 is the Cooperative Patent Classification code for “Photocatalytic filters.”
- How many patents are filed under CPC B60H2003/0675 (Photocatalytic filters)?
- Our database includes 68 publications tagged with this CPC code.
- Is patent activity under CPC B60H2003/0675 growing?
- Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).