Scrubber for hvac system
US-2024189756-A1 · Jun 13, 2024 · US
by chemical means
by chemical means · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F24F8/15 |
| Official title | by chemical means |
| Display label | by chemical means |
| Total patents | 79 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2016 | 7 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 7 |
| 2023 | 12 |
| 2024 | 13 |
| 2025 | 13 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air conditioning system and air conditioning method using the same
US-2024159426-A1 · May 16, 2024 · US
Indoor gas exchange system
US-2024151419-A1 · May 9, 2024 · US
Low noise, ceiling mounted inoor air scrubber
US-2024109022-A1 · Apr 4, 2024 · US
System for detecting, positioning, and cleaning indoor air pollution
US-2024027090-A1 · Jan 25, 2024 · US
Combining air cleaning methods for improved anti-contaminant efficacy and air cleaning arrays
US-2024024813-A1 · Jan 25, 2024 · US
Gas exchange device
US-11879665-B2 · Jan 23, 2024 · US
Air conditioner and control method therefor
US-11874026-B2 · Jan 16, 2024 · US
Air quality enhancement system based on fluid mechanics and integrated uv emission
US-2023400205-A1 · Dec 14, 2023 · US
Air conditioner
US-2023392804-A1 · Dec 7, 2023 · US
Adsorbent material for removing nitrogen oxides from indoor or cabin air
US-2023381708-A1 · Nov 30, 2023 · US
Air conditioner
US-2023349562-A1 · Nov 2, 2023 · US
Flow grid and ambient air purification device
US-2023294029-A1 · Sep 21, 2023 · US
An air purifier detecting errors
US-2023266027-A1 · Aug 24, 2023 · US
Air purifier
US-2023243531-A1 · Aug 3, 2023 · US
An air purifier comprising a diffuser
US-2023221020-A1 · Jul 13, 2023 · US
Low noise, ceiling mounted indoor air scrubber
US-11673090-B2 · Jun 13, 2023 · US
Air purifier and air purifying method
US-2023151983-A1 · May 18, 2023 · US
Air conditioning device and control method thereof
US-11648504-B2 · May 16, 2023 · US
Combining air cleaning methods for improved anti-contaminant efficacy and air cleaning arrays
US-11577197-B2 · Feb 14, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F8/15?
- CPC F24F8/15 is the Cooperative Patent Classification code for “by chemical means.”
- How many patents are filed under CPC F24F8/15 (by chemical means)?
- Our database includes 79 publications tagged with this CPC code.
- Is patent activity under CPC F24F8/15 growing?
- Publication counts under this code: 13 in 2024 vs 13 in 2025 (latest complete years).