Blower, ozone-degradable coating film-bearing article, air-conditioning system, ozone degradation method, and method of forming ozone-degradable film
US-2021404678-A1 · Dec 30, 2021 · US
by sterilisation
by sterilisation · 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 | F24F8/20 |
| Official title | by sterilisation |
| Display label | by sterilisation |
| Total patents | 172 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 5 |
| 2018 | 10 |
| 2019 | 5 |
| 2020 | 9 |
| 2021 | 20 |
| 2022 | 28 |
| 2023 | 19 |
| 2024 | 27 |
| 2025 | 30 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for reducing disease transmission among occupants of a building
US-2021393834-A1 · Dec 23, 2021 · US
Air conditioner and control method therefor
US-2021381713-A1 · Dec 9, 2021 · US
Smart tunnel having regular quarantine and disinfection function for preventing proliferation of infectious disease
US-2021381264-A1 · Dec 9, 2021 · US
Hvac system with building infection control
US-2021373519-A1 · Dec 2, 2021 · US
Disinfection system with high throughput and low power requirements
US-2021364177-A1 · Nov 25, 2021 · US
Hvac system design and operational tool for building infection control
US-2021364181-A1 · Nov 25, 2021 · US
HVAC system air filter
US-11161074-B2 · Nov 2, 2021 · US
HVAC system design and operational tool for building infection control
US-11131473-B2 · Sep 28, 2021 · US
Purifier
US-2021293423-A1 · Sep 23, 2021 · US
Portable air cleaning apparatus
US-11078899-B2 · Aug 3, 2021 · US
Medical air handling system with laminar flow and energy-based air decontamination
US-2021220506-A1 · Jul 22, 2021 · US
Humidifier with disinfection unit
US-2021187150-A1 · Jun 24, 2021 · US
Humidifier for preventing pollution of humidifying water
US-2021190341-A1 · Jun 24, 2021 · US
Outdoor air cleaning system
US-2021172631-A1 · Jun 10, 2021 · US
Dust removal device and dust removal system
US-2021088238-A1 · Mar 25, 2021 · US
Antiviral air-filtering lighting device
US-10921004-B1 · Feb 16, 2021 · US
Air quality control and disinfection system
US-2021010701-A1 · Jan 14, 2021 · US
Hvac system with building infection control
US-2021011444-A1 · Jan 14, 2021 · US
Filter module and air purifier having the same
US-2020398207-A1 · Dec 24, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F8/20?
- CPC F24F8/20 is the Cooperative Patent Classification code for “by sterilisation.”
- How many patents are filed under CPC F24F8/20 (by sterilisation)?
- Our database includes 172 publications tagged with this CPC code.
- Is patent activity under CPC F24F8/20 growing?
- Publication counts under this code: 27 in 2024 vs 30 in 2025 (latest complete years).