Agent for removing malodor from painting booth, and method of removing malodor
US-10463757-B2 · Nov 5, 2019 · US
Biological processes
Biological processes · 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 | B01D53/84 |
| Official title | Biological processes |
| Display label | Biological processes |
| Total patents | 181 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 14 |
| 2017 | 18 |
| 2018 | 18 |
| 2019 | 21 |
| 2020 | 19 |
| 2021 | 21 |
| 2022 | 15 |
| 2023 | 23 |
| 2024 | 14 |
| 2025 | 12 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bacterial cytochrome P450 protein variant and method of reducing concentration of fluorinated methane in sample using the same
US-10358632-B2 · Jul 23, 2019 · US
Compositions and methods for removing air pollutants
US-2019143267-A1 · May 16, 2019 · US
Module of ventilation and biological purification of internal and external air to an environment, and relevant method
US-2019111386-A1 · Apr 18, 2019 · US
Bio-conversion of refinery waste streams
US-10195564-B2 · Feb 5, 2019 · US
Microorganism including gene encoding protein having dehalogenase activity, and method of reducing concentration of fluorine-containing compound in sample using the same
US-2019032034-A1 · Jan 31, 2019 · US
Method for producing oxide layer material in landfill field for treating methane gas by using household refuse
US-10159933-B2 · Dec 25, 2018 · US
Microorganism including gene encoding protein having dehalogenase activity and method of reducing concentration of fluorinated methane in sample using the same
US-10150080-B2 · Dec 11, 2018 · US
Composition for preventing odor, containing odorless microorganisms
US-2018303963-A1 · Oct 25, 2018 · US
Process for controlling air purification systems
US-2018304195-A1 · Oct 25, 2018 · US
Method for biological removal of sulfides from water
US-2018282191-A1 · Oct 4, 2018 · US
Eco-friendly heliostat odor removal system
US-10047336-B2 · Aug 14, 2018 · US
A process of cultivating microalgae and a joint method of same with a denitration process
US-2018195036-A1 · Jul 12, 2018 · US
Carbon dioxide conversion reactor, series reactor for converting and capturing carbon dioxide including the same, and process of converting and capturing carbon dioxide using the same
US-2018185786-A1 · Jul 5, 2018 · US
Biofilter with fuzzy logic control
US-10010830-B2 · Jul 3, 2018 · US
Exhaust gas decomposition apparatus and exhaust gas decomposition system including the same
US-2018154308-A1 · Jun 7, 2018 · US
Recombinant Microorganism Including Genetic Modification That Increases Activity Of Haloalkane Dehalogenase And Genetic Modification That Increases Expression Of At Least One Of Rclr, Rcla, Rclb, And Rclc, And Method Of Reducing Concentration Of Fluorinated Methane In Sample
US-2018155730-A1 · Jun 7, 2018 · US
Method for the purification of gases containing volatile organic compounds
US-9975088-B2 · May 22, 2018 · US
Dehalogenase Variant, Polynucleotide Encoding Dehalogenase Variant, Recombinant Microorganism Including Polynucleotide, Composition Including Recombinant Microorganism, And Method Of Reducing Concentration Of Fluorinated Methane Using Dehalogenase
US-2018105803-A1 · Apr 19, 2018 · US
Recombinant microorganism including genetic modification that increases 2-haloacid dehalogenase activity and method of reducing concentration of fluorinated methane in sample by using the same
US-2018104647-A1 · Apr 19, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D53/84?
- CPC B01D53/84 is the Cooperative Patent Classification code for “Biological processes.”
- How many patents are filed under CPC B01D53/84 (Biological processes)?
- Our database includes 181 publications tagged with this CPC code.
- Is patent activity under CPC B01D53/84 growing?
- Publication counts under this code: 14 in 2024 vs 12 in 2025 (latest complete years).