Particulate matter collecting apparatus
US-2021322917-A1 · Oct 21, 2021 · US
using a gas-liquid mixing column or tower
using a gas-liquid mixing column or tower · 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 | B01F23/214 |
| Official title | {using a gas-liquid mixing column or tower} |
| Display label | using a gas-liquid mixing column or tower |
| Total patents | 69 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 15 |
| 2017 | 7 |
| 2018 | 5 |
| 2019 | 11 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Feedback Control Optimization of Counter-Flow Simultaneous Heat and Mass Exchange
US-2020384381-A1 · Dec 10, 2020 · US
Packing, method for manufacturing same, and liquid film-forming structure
US-2020353405-A1 · Nov 12, 2020 · US
Distributor tray for gas/liquid exchange column with liquid deflector
US-10722851-B2 · Jul 28, 2020 · US
Feedback control optimization of counter-flow simultaneous heat and mass exchange
US-10688409-B2 · Jun 23, 2020 · US
Hydrophilized material, hydrophilized member, and gas-liquid contact apparatus in which same is used
US-2020061574-A1 · Feb 27, 2020 · US
Chimney tray for a column for thermal treatment of fluid mixtures
US-10471369-B2 · Nov 12, 2019 · US
Systems including a condensing apparatus such as a bubble column condenser
US-2019282921-A1 · Sep 19, 2019 · US
Clip for supporting vessel internals, assembly and method of assembly
US-2019262741-A1 · Aug 29, 2019 · US
Droplet generating rotating cutters
US-10376907-B2 · Aug 13, 2019 · US
Methods for fluid contacting in a downflow vessel
US-10376856-B2 · Aug 13, 2019 · US
Feedback Control Optimization of Counter-Flow Simultaneous Heat and Mass Exchange
US-2019209947-A1 · Jul 11, 2019 · US
Systems including a condensing apparatus such as a bubble column condenser
US-10286335-B2 · May 14, 2019 · US
Feedback control optimization of counter-flow simultaneous heat and mass exchange
US-10239765-B2 · Mar 26, 2019 · US
Droplet Generating Rotating Cutters
US-2019070619-A1 · Mar 7, 2019 · US
Compact distributor tray for offshore gas/liquid contact columns
US-10201766-B2 · Feb 12, 2019 · US
Methods for fluid contacting in a downflow vessel
US-2019030495-A1 · Jan 31, 2019 · US
Systems and methods for multi-celled gas processing
US-9975083-B2 · May 22, 2018 · US
Liquid mixing collector and a method for its use
US-9956500-B2 · May 1, 2018 · US
Compact distributor tray for offshore gas/liquid contact columns
US-9943776-B2 · Apr 17, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01F23/214?
- CPC B01F23/214 is the Cooperative Patent Classification code for “using a gas-liquid mixing column or tower.”
- How many patents are filed under CPC B01F23/214 (using a gas-liquid mixing column or tower)?
- Our database includes 69 publications tagged with this CPC code.
- Is patent activity under CPC B01F23/214 growing?
- Publication counts under this code: 1 in 2023 vs 1 in 2024 (latest complete years).