Vehicle sensor cleaning based on a vehicle occupancy status
US-2018370474-A1 · Dec 27, 2018 · US
Filtering
Filtering · 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 | B60H3/06 |
| Official title | Filtering |
| Display label | Filtering |
| Total patents | 285 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 15 |
| 2017 | 31 |
| 2018 | 19 |
| 2019 | 28 |
| 2020 | 40 |
| 2021 | 23 |
| 2022 | 26 |
| 2023 | 30 |
| 2024 | 24 |
| 2025 | 33 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air filter element and air filter
US-10150074-B2 · Dec 11, 2018 · US
Air filter for a ventilation device of a motor vehicle and method for the installation thereof
US-10106015-B2 · Oct 23, 2018 · US
Method for manufacturing activated carbon
US-10086357-B2 · Oct 2, 2018 · US
System, method and computer program product for an air quality amelioration action
US-2018186212-A1 · Jul 5, 2018 · US
Filter and Cyclone Filter System
US-2018036746-A1 · Feb 8, 2018 · US
Odor reproducing apparatus of hvac system for vehicle
US-2017368904-A1 · Dec 28, 2017 · US
Spinning die for melt-blowing
US-2017355123-A1 · Dec 14, 2017 · US
Calculation-based vehicle cabin filtration performance
US-2017356835-A1 · Dec 14, 2017 · US
Air filter operable for filtering cabin air in vehicles, agricultural machinery, construction equipment and other work machines
US-2017320001-A1 · Nov 9, 2017 · US
Filter Module with a Filter Element and with a Fastening Frame and Air Filter Device with a Filter Module
US-2017291128-A1 · Oct 12, 2017 · US
Method for manufacturing activated carbon
US-2017282152-A1 · Oct 5, 2017 · US
Method for manufacturing activated carbon
US-2017282153-A1 · Oct 5, 2017 · US
Air pollution reacting system in a vehicle
US-2017274737-A1 · Sep 28, 2017 · US
Cabin Air Filter and Filter Element for a Cabin Air Filter
US-2017267069-A1 · Sep 21, 2017 · US
Flat filter element and filter device
US-2017266602-A1 · Sep 21, 2017 · US
Method for regenerating odor absorbent in a motor vehicle hvac system
US-2017267070-A1 · Sep 21, 2017 · US
Vehicle air conditioner device
US-9764623-B2 · Sep 19, 2017 · US
Vehicle air system with high efficiency filter
US-2017259200-A1 · Sep 14, 2017 · US
Air conditioning system
US-9758019-B2 · Sep 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60H3/06?
- CPC B60H3/06 is the Cooperative Patent Classification code for “Filtering.”
- How many patents are filed under CPC B60H3/06 (Filtering)?
- Our database includes 285 publications tagged with this CPC code.
- Is patent activity under CPC B60H3/06 growing?
- Publication counts under this code: 24 in 2024 vs 33 in 2025 (latest complete years).