Supply air arrangement for a mobile device
US-10780383-B2 · Sep 22, 2020 · US
Adsorption filters, e.g. activated carbon
Adsorption filters, e.g. activated carbon · 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 | B60H2003/0691 |
| Official title | {Adsorption filters, e.g. activated carbon} |
| Display label | Adsorption filters, e.g. activated carbon |
| Total patents | 151 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 8 |
| 2017 | 13 |
| 2018 | 15 |
| 2019 | 16 |
| 2020 | 15 |
| 2021 | 13 |
| 2022 | 11 |
| 2023 | 10 |
| 2024 | 21 |
| 2025 | 21 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air filter comprising a multilayer filter material
US-10695705-B2 · Jun 30, 2020 · US
Air purification device
US-2020171925-A1 · Jun 4, 2020 · US
System and process for carbon dioxide removal of air of passenger cabins of vehicles
US-10646815-B2 · May 12, 2020 · US
Volatile organic compound purge system for a motor vehicle
US-10556488-B2 · Feb 11, 2020 · US
Filter arrangement for a vehicle, integrated into interior component
US-2020016959-A1 · Jan 16, 2020 · US
Method for manufacturing activated carbon
US-10512891-B2 · Dec 24, 2019 · US
Device for cleaning air laden with CO2
US-10507424-B1 · Dec 17, 2019 · US
Air filter comprising a multilayer filter material
US-2019344209-A1 · Nov 14, 2019 · US
Contaminant scrubber of an hvac system
US-2019255479-A1 · Aug 22, 2019 · US
HVAC system with odor absorbent regeneration
US-10336162-B2 · Jul 2, 2019 · US
Activated carbon and method for manufacturing the same
US-10328381-B2 · Jun 25, 2019 · US
Air purification device for vehicle
US-2019160418-A1 · May 30, 2019 · US
Air purification device for vehicle
US-2019160417-A1 · May 30, 2019 · US
Air purification device for vehicle
US-2019160416-A1 · May 30, 2019 · US
Filter medium, filter element and filter arrangement
US-10300419-B2 · May 28, 2019 · US
Carbon dioxide concentration control system and carbon dioxide concentration control device
US-10232304-B2 · Mar 19, 2019 · US
Automotive interior air quality carbon canister status and replacement/regeneration control
US-10232685-B2 · Mar 19, 2019 · US
Carbon dioxide concentration control device and apparatus
US-10232684-B2 · Mar 19, 2019 · US
Vehicular air filter providing high efficiency particle and gas filtration
US-10214079-B2 · Feb 26, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60H2003/0691?
- CPC B60H2003/0691 is the Cooperative Patent Classification code for “Adsorption filters, e.g. activated carbon.”
- How many patents are filed under CPC B60H2003/0691 (Adsorption filters, e.g. activated carbon)?
- Our database includes 151 publications tagged with this CPC code.
- Is patent activity under CPC B60H2003/0691 growing?
- Publication counts under this code: 21 in 2024 vs 21 in 2025 (latest complete years).