Column for thermal treatment of fluid mixtures
US-10493376-B2 · Dec 3, 2019 · US
Tray constructions
Tray constructions · 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 | B01D3/324 |
| Official title | {Tray constructions} |
| Display label | Tray constructions |
| Total patents | 115 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 12 |
| 2017 | 11 |
| 2018 | 13 |
| 2019 | 23 |
| 2020 | 9 |
| 2021 | 10 |
| 2022 | 6 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for separation of propylene from a liquefied petroleum gas stream
US-10472306-B1 · Nov 12, 2019 · US
Chimney tray for a column for thermal treatment of fluid mixtures
US-10471369-B2 · Nov 12, 2019 · US
Method for separating a hydrocarbon mixture, separating plant and steam cracking plant
US-10465132-B2 · Nov 5, 2019 · US
Process for the distillation of an aldehyde mixture
US-10435346-B2 · Oct 8, 2019 · US
Folded fractionation column and process
US-2019299121-A1 · Oct 3, 2019 · US
Folded fractionation column and process
US-2019299118-A1 · Oct 3, 2019 · US
Vapor-liquid contacting apparatus and process with downcomer at shell
US-2019299138-A1 · Oct 3, 2019 · US
Vapor-liquid contacting apparatus and process with cross contacting
US-2019299119-A1 · Oct 3, 2019 · US
Column for thermal treatment of fluid mixtures
US-10413841-B2 · Sep 17, 2019 · US
Purification of chlorosilanes by means of distillation and adsorption
US-2019209944-A1 · Jul 11, 2019 · US
Tray for exchange column comprising gas chimneys surmounted by hats with a streamlined profile
US-2019184331-A1 · Jun 20, 2019 · US
Gas-distributing tray for the bottom of a gas/liquid contact column comprising a zone for collecting liquid partially overlapped by gas chimneys
US-2019168131-A1 · Jun 6, 2019 · US
Fluid collection device, material exchange column and method for producing a fluid collection device of this type
US-2019143242-A1 · May 16, 2019 · US
Process
US-2019119188-A1 · Apr 25, 2019 · US
Method for producing acrylic acid
US-10239815-B2 · Mar 26, 2019 · US
Compact distributor tray for offshore gas/liquid contact columns
US-10201766-B2 · Feb 12, 2019 · US
Crossflow tray for a mass transfer column, mass transfer column and use of the mass transfer column
US-10183234-B2 · Jan 22, 2019 · US
Process for the purification of a cracking gas stream in an oil scrub column
US-10160702-B2 · Dec 25, 2018 · US
Gas redirecting device for liquid-gas contacting column
US-2018318752-A1 · Nov 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D3/324?
- CPC B01D3/324 is the Cooperative Patent Classification code for “Tray constructions.”
- How many patents are filed under CPC B01D3/324 (Tray constructions)?
- Our database includes 115 publications tagged with this CPC code.
- Is patent activity under CPC B01D3/324 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).