Rate/kinetic selective multiple bed adsorption process cycle
US-11883775-B2 · Jan 30, 2024 · US
Beds in columns
Beds in columns · 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 | B01D53/0423 |
| Official title | {Beds in columns} |
| Display label | Beds in columns |
| Total patents | 389 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 26 |
| 2017 | 37 |
| 2018 | 45 |
| 2019 | 52 |
| 2020 | 39 |
| 2021 | 37 |
| 2022 | 30 |
| 2023 | 40 |
| 2024 | 26 |
| 2025 | 34 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Equipment for purifying a wet gas stream containing CO2 and NOx
US-9844753-B2 · Dec 19, 2017 · US
Method for removal of sulfur-based gas
US-9833735-B2 · Dec 5, 2017 · US
Heater arrangement for TEPSA system
US-9795915-B2 · Oct 24, 2017 · US
System for syngas clean-up
US-9783417-B2 · Oct 10, 2017 · US
Oxygen concentration device
US-2017274171-A1 · Sep 28, 2017 · US
Carbonic acid gas absorbing material, carbonic acid gas recovery system, and carbonic acid gas recovery method
US-2017266607-A1 · Sep 21, 2017 · US
System and process for carbon dioxide removal of air of passenger cabins of vehicles
US-2017239609-A1 · Aug 24, 2017 · US
Olefin oxidation process, reaction apparatus and system
US-2017226429-A1 · Aug 10, 2017 · US
Method for syngas clean-up of semi-volatile organic compounds with solids removal
US-2017152139-A1 · Jun 1, 2017 · US
Staged complementary psa system for low energy fractionation of mixed fluid
US-2017136402-A1 · May 18, 2017 · US
Cyclic thermal swing adsorption with direct heat transfer
US-2017087506-A1 · Mar 30, 2017 · US
Process for gas separations using zeolite ssz-13
US-2017072359-A1 · Mar 16, 2017 · US
Regeneration loop clean-up
US-2017050903-A1 · Feb 23, 2017 · US
Method for treating a hydrocarbon-rich gas mixture containing mercury and acid gases
US-9550143-B2 · Jan 24, 2017 · US
Sulfide oxidation process and apparatus
US-2017014751-A1 · Jan 19, 2017 · US
Compressed air-drying device
US-2016375396-A1 · Dec 29, 2016 · US
Regeneration loop clean-up
US-9517983-B2 · Dec 13, 2016 · US
System and method for syngas clean-up
US-9499404-B2 · Nov 22, 2016 · US
Synthesis of CO2-one adsorbent for CO2 removal
US-9480969-B2 · Nov 1, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D53/0423?
- CPC B01D53/0423 is the Cooperative Patent Classification code for “Beds in columns.”
- How many patents are filed under CPC B01D53/0423 (Beds in columns)?
- Our database includes 389 publications tagged with this CPC code.
- Is patent activity under CPC B01D53/0423 growing?
- Publication counts under this code: 26 in 2024 vs 34 in 2025 (latest complete years).