Reactive monomer separation device
US-2026084075-A1 · Mar 26, 2026 · US
with horizontal sieve plates or grids; Construction of sieve plates or grids
with horizontal sieve plates or grids; Construction of sieve plates or grids · 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 | B01D3/22 |
| Official title | with horizontal sieve plates or grids; Construction of sieve plates or grids |
| Display label | with horizontal sieve plates or grids; Construction of sieve plates or grids |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 8 |
| 2017 | 4 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Production system, production method and application of general-purpose high-purity chemicals
US-12539471-B2 · Feb 3, 2026 · US
Distillation tray having through holes with different diameters
US-2025312855-A1 · Oct 9, 2025 · US
Distillation tray having through holes with different diameters
US-12358058-B2 · Jul 15, 2025 · US
Reactor for the synthesis of urea
US-2025128232-A1 · Apr 24, 2025 · US
Liquid-liquid extraction column with variable inter-tray space
US-2025058248-A1 · Feb 20, 2025 · US
Variable perforation liquid-liquid extraction column
US-2025058249-A1 · Feb 20, 2025 · US
Distillation tray having through holes with different diameters
US-12017165-B2 · Jun 25, 2024 · US
Method for industrially producing dialkyl carbonate and diol
US-2024051911-A1 · Feb 15, 2024 · US
Production system, production method and application of general-purpose high-purity chemicals
US-2024042343-A1 · Feb 8, 2024 · US
Apparatus for removing residual monomers
US-2023295352-A1 · Sep 21, 2023 · US
Distillation trays
US-11738284-B2 · Aug 29, 2023 · US
Bubble promoter
US-11554328-B2 · Jan 17, 2023 · US
A reactor for the synthesis of urea
US-2022395798-A1 · Dec 15, 2022 · US
Distillation trays
US-2022331709-A1 · Oct 20, 2022 · US
Distillation tray having through holes with different diameters
US-2022249973-A1 · Aug 11, 2022 · US
Distillation tray having through holes with different diameters
US-2022219248-A1 · Jul 14, 2022 · US
Base for a mass-transfer column
US-11224824-B2 · Jan 18, 2022 · US
Apparatus for gas-liquid contacting
US-11154793-B2 · Oct 26, 2021 · US
Method for installing trays in plate tower
US-2021308598-A1 · Oct 7, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D3/22?
- CPC B01D3/22 is the Cooperative Patent Classification code for “with horizontal sieve plates or grids; Construction of sieve plates or grids.”
- How many patents are filed under CPC B01D3/22 (with horizontal sieve plates or grids; Construction of sieve plates or grids)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC B01D3/22 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).