Humidity control for enclosure
US-10134447-B2 · Nov 20, 2018 · US
Other organic compounds not covered by B01D2252/00 - B01D2252/20494
Other organic compounds not covered by B01D2252/00 - B01D2252/20494 · 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 | B01D2252/205 |
| Official title | Other organic compounds not covered by B01D2252/00 - B01D2252/20494 |
| Display label | Other organic compounds not covered by B01D2252/00 - B01D2252/20494 |
| Total patents | 223 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 19 |
| 2017 | 18 |
| 2018 | 23 |
| 2019 | 32 |
| 2020 | 20 |
| 2021 | 27 |
| 2022 | 18 |
| 2023 | 17 |
| 2024 | 17 |
| 2025 | 16 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process and absorbent for dehumidifying moist gas mixtures
US-10105644-B2 · Oct 23, 2018 · US
Absorbent for selective removal of hydrogen sulfide from a fluid stream
US-2018221811-A1 · Aug 9, 2018 · US
Protein nanofiber air filter materials and methods
US-2018214813-A1 · Aug 2, 2018 · US
Methanol carbonylation system with multiple absorber feed options
US-10010841-B2 · Jul 3, 2018 · US
Oil scrubbing column
US-10005004-B2 · Jun 26, 2018 · US
Composition and apparatus for purifying nitrogen-oxide-containing gases
US-2018104643-A1 · Apr 19, 2018 · US
Apparatus for gas cleaning
US-9943800-B2 · Apr 17, 2018 · US
Method and apparatus for separating one or more components from a composition
US-2018078894-A1 · Mar 22, 2018 · US
Method for producing particulate water-absorbing agent that has polyacrylic acid (salt)-based water-absorbing resin as main component
US-2018071714-A1 · Mar 15, 2018 · US
Gas separator and battery system having the same
US-9876245-B2 · Jan 23, 2018 · US
Process for dehumidifying moist gas mixtures
US-2017354921-A1 · Dec 14, 2017 · US
Process for dehumidifying moist gas mixtures
US-2017354923-A1 · Dec 14, 2017 · US
Process and absorbent for dehumidifying moist gas mixtures
US-2017354922-A1 · Dec 14, 2017 · US
Method and apparatus for separating one or more components from a composition
US-9833737-B2 · Dec 5, 2017 · US
Process for purification of vent streams
US-2017335084-A1 · Nov 23, 2017 · US
Organic amine decarbonization solutions
US-9816029-B2 · Nov 14, 2017 · US
Carbon dioxide trapping device and method capable of producing electricity
US-2017256812-A1 · Sep 7, 2017 · US
Enhanced olefin recovery process
US-2017239614-A1 · Aug 24, 2017 · US
Method of separating a gas using at least one membrane in contact with an organosilicon fluid
US-9731245-B2 · Aug 15, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2252/205?
- CPC B01D2252/205 is the Cooperative Patent Classification code for “Other organic compounds not covered by B01D2252/00 - B01D2252/20494.”
- How many patents are filed under CPC B01D2252/205 (Other organic compounds not covered by B01D2252/00 - B01D2252/20494)?
- Our database includes 223 publications tagged with this CPC code.
- Is patent activity under CPC B01D2252/205 growing?
- Publication counts under this code: 17 in 2024 vs 16 in 2025 (latest complete years).