Compact air cleaner using uv led and photocatalytic filter
US-2017326264-A1 · Nov 16, 2017 · US
Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons · 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 | B01D53/72 |
| Official title | Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons |
| Display label | Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons |
| Total patents | 364 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 23 |
| 2016 | 27 |
| 2017 | 36 |
| 2018 | 45 |
| 2019 | 38 |
| 2020 | 46 |
| 2021 | 35 |
| 2022 | 33 |
| 2023 | 30 |
| 2024 | 27 |
| 2025 | 19 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filtration Device for Air Purification Appliance
US-2017296967-A1 · Oct 19, 2017 · US
Multivalence semiconductor photocatalytic materials
US-2017291170-A1 · Oct 12, 2017 · US
System and method for managing a volatile organic compound emission stream
US-9784192-B2 · Oct 10, 2017 · US
Honeycomb structure
US-2017266908-A1 · Sep 21, 2017 · US
Method for producing oxide layer material in landfill field for treating methane gas by using household refuse
US-2017266616-A1 · Sep 21, 2017 · US
System and method to remove organic acid from a rich MEG stream by stripping
US-9732019-B1 · Aug 15, 2017 · US
Cyclohexasilane and method for producing the same
US-2017158518-A1 · Jun 8, 2017 · US
Diesel oxidation catalyst and exhaust system
US-9636634-B2 · May 2, 2017 · US
System And Method For Removing Airborne Molecular Contaminants From Gas Streams
US-2017095771-A1 · Apr 6, 2017 · US
Butadiene sequestration via sulfur dioxide charged zeolite beds
US-2016376250-A1 · Dec 29, 2016 · US
Butadiene sequestration via sulfur dioxide charged zeolite beds
US-2016376207-A1 · Dec 29, 2016 · US
Method for removing polycyclic aromatic hydrocarbons
US-9527011-B2 · Dec 27, 2016 · US
System and method for managing a volatile organic compound emission stream
US-9500144-B1 · Nov 22, 2016 · US
Method for the purification of gases containing volatile organic compounds
US-2016332115-A1 · Nov 17, 2016 · US
Modular, high-throughput air treatment system
US-2016303503-A1 · Oct 20, 2016 · US
Systems and methods of cleaning cabin air in a transportation vehicle
US-2016288043-A1 · Oct 6, 2016 · US
Filter cartridge for an air purifier
US-9427486-B2 · Aug 30, 2016 · US
Oxidation catalyst for treating a natural gas emission
US-2016236147-A1 · Aug 18, 2016 · US
Method and system for filtering formaldehyde from indoor air
US-2016228811-A1 · Aug 11, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D53/72?
- CPC B01D53/72 is the Cooperative Patent Classification code for “Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons.”
- How many patents are filed under CPC B01D53/72 (Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons)?
- Our database includes 364 publications tagged with this CPC code.
- Is patent activity under CPC B01D53/72 growing?
- Publication counts under this code: 27 in 2024 vs 19 in 2025 (latest complete years).